Active NPI 1881699908 Individual Practitioner Male Practitioner

Dr. David R Knowles , MD

Urology • Mount Vernon, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. David Knowles, MD is a certified Urology practicing in Mount Vernon, IL. With approximately 28 years of clinical experience since graduating from Columbia University College Of Physicians And Surgeons in 1998, Dr. Knowles delivers high-quality medical care to the local community at 4109 S WATER TOWER PL.

Dr. Knowles is affiliated with Advanced Urologic Surgeons Pc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include injection, testosterone cypionate, 1 mg, bcg live intravesical instillation, 1 mg, urinalysis, manual test. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4109 S Water Tower Pl

Mount Vernon, IL 628646293

Telephone 6182444060

Fax 6182055817

Associated Practice Facility / Clinic

🏢 Advanced Urologic Surgeons Pc Facility NPI 1093901340

Medicare Profile & Education

Medical School

Columbia University College Of Physicians And Surgeons

Graduation Year

1998

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Urology in Mount Vernon, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

28 Yrs Matches City Avg

City Avg: 28.0 Yrs

State Avg: 26.7 Yrs

Regional Practice Density

3 Specialists

Practicing in Mount Vernon, IL (663 Statewide)

Telehealth Adoption Rate

66.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

82.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Knowles (28 Years) 28 Yrs

Mount Vernon Specialty Average (28.0 Years) 28.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1071 Injection, testosterone cypionate, 1 mg	14,165	13	$0.15	$0.02
J9030 Bcg live intravesical instillation, 1 mg	2,900	11	$6.20	$2.88
81002 Urinalysis, manual test	1,622	1,045	$23.00	$3.38
J0897 Injection, denosumab, 1 mg	1,380	13	$33.00	$25.64
99213 Established patient office or other outpatient visit, typically 15 minutes	665	454	$205.00	$85.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	658	518	$271.00	$121.71
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	316	39	$470.00	$178.10
J9201 Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg	270	13	$20.00	$3.00
52000 Diagnostic exam of bladder and urethra using an endoscope	249	204	$1005.00	$220.90
51798 Ultrasound measurement of bladder capacity after voiding	167	146	$101.00	$10.23
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	163	31	$30.00	$13.47
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	139	116	$380.00	$170.93
51720 Instillation of anti-cancer drug into bladder	115	20	$387.00	$79.22
J1580 Injection, garamycin, gentamicin, up to 80 mg	114	56	$6.50	$2.53
99441 Telephone medical discussion with physician, 5-10 minutes	109	86	$126.00	$52.82
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	106	39	$140.00	$32.48
74420 Imaging of urinary tract	88	75	$57.00	$22.91
76872 Ultrasound scan of pelvic region through rectum	60	59	$449.00	$125.63
55700 Biopsy of prostate gland	50	50	$851.00	$225.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	44	44	$425.00	$155.12
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	43	43	$310.00	$107.01
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	42	36	$348.00	$167.29
52356 Crushing of stone of ureter with insertion of stent using an endoscope	40	39	$4015.00	$423.21
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	37	36	$921.00	$292.12
51700 Simple bladder irrigation and/or instillation	36	29	$272.00	$70.49
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	30	23	$170.00	$76.12
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	29	29	$512.00	$212.20
52287 Exam with injections of chemical for destruction of bladder using an endoscope	26	23	$2200.00	$160.38
99231 Follow-up hospital inpatient care per day, typically 15 minutes	25	16	$101.00	$48.12
76872 Ultrasound scan of pelvic region through rectum	22	21	$449.00	$30.91
52332 Insertion of stent in urinary duct (ureter) using an endoscope	16	15	$1464.75	$137.54
55700 Biopsy of prostate gland	15	15	$851.00	$126.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	15	$126.00	$53.55
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	15	15	$727.00	$28.89
54235 Injection procedure to induce erection	15	15	$230.00	$86.80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$340.00	$126.49
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	13	13	$619.00	$30.29
51797 Insertion of device into abdomen with pressure and urine flow rate study	13	13	$300.00	$171.61
50590 Shock wave crushing of kidney stones	13	13	$6600.00	$551.68
52235 Destruction and/or removal of growth of bladder and urethra using an endoscope, 2.0-5.0 cm	11	11	$1239.00	$280.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1071 Injection, testosterone cypionate, 1 mg	15,721	13	$0.15	$0.03
J0897 Injection, denosumab, 1 mg	7,321	19	$33.54	$23.16
81002 Urinalysis, manual test	1,523	989	$23.00	$3.40
99213 Established patient office or other outpatient visit, typically 15 minutes	626	415	$205.34	$85.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	625	494	$271.00	$121.88
J9201 Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg	341	14	$20.00	$3.54
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	307	45	$470.00	$171.94
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	233	49	$30.00	$13.36
52000 Diagnostic exam of bladder and urethra using an endoscope	216	188	$1005.00	$224.15
51798 Ultrasound measurement of bladder capacity after voiding	165	149	$101.00	$9.87
J1580 Injection, garamycin, gentamicin, up to 80 mg	132	57	$6.50	$2.80
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	126	112	$381.05	$172.30
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	108	46	$140.00	$31.55
51720 Instillation of anti-cancer drug into bladder	108	19	$387.00	$83.63
99441 Telephone medical discussion with physician, 5-10 minutes	105	83	$126.00	$52.82
74420 Imaging of urinary tract	89	77	$57.00	$23.67
76872 Ultrasound scan of pelvic region through rectum	71	62	$449.00	$127.19
55700 Biopsy of prostate gland	55	55	$851.00	$230.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	53	53	$425.00	$161.37
A4648 Tissue marker, implantable, any type, each	51	17	$280.00	$218.45
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$310.00	$108.24
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	48	48	$921.00	$303.06
52356 Crushing of stone of ureter with insertion of stent using an endoscope	38	38	$3938.16	$424.71
99231 Follow-up hospital inpatient care per day, typically 15 minutes	36	13	$101.00	$48.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	29	26	$348.00	$169.48
51700 Simple bladder irrigation and/or instillation	29	25	$272.00	$72.15
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	26	26	$512.00	$207.17
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	25	16	$170.00	$77.30
52287 Exam with injections of chemical for destruction of bladder using an endoscope	25	25	$2200.00	$165.28
52332 Insertion of stent in urinary duct (ureter) using an endoscope	24	19	$1209.00	$122.14
51797 Insertion of device into abdomen with pressure and urine flow rate study	22	22	$300.00	$179.11
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	22	22	$619.00	$30.64
76872 Ultrasound scan of pelvic region through rectum	17	17	$449.00	$31.16
55876 Placement of device in prostate for radiation therapy	17	17	$526.00	$144.87
55700 Biopsy of prostate gland	16	16	$851.00	$115.01
54235 Injection procedure to induce erection	16	16	$230.00	$87.51
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	15	15	$727.00	$29.82
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	15	15	$727.00	$55.56
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$340.00	$127.43
51729 Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies	14	14	$960.00	$363.24
51741 Electronic assessment of bladder emptying	13	13	$186.00	$6.82
52224 Destruction of (less than 0.5 centimeters) growths of the bladder and bladder canal (urethra) using an endoscope	12	11	$2708.00	$176.91
52234 Destruction and/or removal of growth of bladder and urethra using an endoscope, 0.5-2.0 cm	11	11	$851.00	$206.14
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	11	11	$2530.00	$710.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1071 Injection, testosterone cypionate, 1 mg	16,490	14	$0.15	$0.03
J0897 Injection, denosumab, 1 mg	9,780	20	$33.00	$21.61
81002 Urinalysis, manual test	1,569	945	$23.00	$3.43
99213 Established patient office or other outpatient visit, typically 15 minutes	717	440	$205.15	$86.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	604	466	$271.00	$123.72
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	375	51	$470.00	$177.09
J9201 Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg	350	15	$20.00	$3.78
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	241	50	$30.00	$13.73
52000 Diagnostic exam of bladder and urethra using an endoscope	219	186	$1005.00	$234.53
51798 Ultrasound measurement of bladder capacity after voiding	187	157	$101.00	$9.79
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	125	51	$140.00	$31.39
J1580 Injection, garamycin, gentamicin, up to 80 mg	123	49	$6.50	$1.98
51720 Instillation of anti-cancer drug into bladder	122	22	$387.00	$83.18
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	112	100	$380.00	$174.47
99441 Telephone medical discussion with physician, 5-10 minutes	99	85	$126.00	$53.04
74420 Imaging of urinary tract	72	64	$57.00	$24.05
76872 Ultrasound scan of pelvic region through rectum	71	58	$449.00	$132.54
51700 Simple bladder irrigation and/or instillation	63	45	$272.00	$73.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	62	62	$310.00	$106.77
A4648 Tissue marker, implantable, any type, each	54	18	$280.00	$219.73
55700 Biopsy of prostate gland	49	49	$851.00	$236.25
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	41	41	$921.00	$305.35
52356 Crushing of stone of ureter with insertion of stent using an endoscope	39	37	$4117.95	$429.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$425.00	$160.62
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	33	16	$169.33	$69.33
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	26	$348.00	$187.64
99442 Telephone medical discussion with physician, 11-20 minutes	21	17	$205.00	$87.39
54235 Injection procedure to induce erection	20	19	$230.00	$83.55
52287 Exam with injections of chemical for destruction of bladder using an endoscope	18	18	$2200.00	$162.53
55876 Placement of device in prostate for radiation therapy	18	18	$526.00	$146.92
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	17	17	$512.00	$215.90
51797 Insertion of device into abdomen with pressure and urine flow rate study	17	17	$300.00	$188.41
52224 Destruction of (less than 0.5 centimeters) growths of the bladder and bladder canal (urethra) using an endoscope	17	16	$2708.00	$161.38
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	17	17	$619.00	$31.29
52332 Insertion of stent in urinary duct (ureter) using an endoscope	16	14	$1464.75	$147.64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$340.00	$132.04
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	14	14	$727.00	$56.14
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies	13	13	$823.00	$355.68
76872 Ultrasound scan of pelvic region through rectum	11	11	$449.00	$31.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	5,280	22	$33.00	$20.70
81002 Urinalysis, manual test	1,587	965	$23.00	$3.48
99213 Established patient office or other outpatient visit, typically 15 minutes	652	428	$205.00	$88.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	572	462	$271.00	$126.00
J9201 Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg	376	13	$20.00	$4.00
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	306	46	$470.00	$174.40
52000 Diagnostic exam of bladder and urethra using an endoscope	277	222	$1005.00	$226.19
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	213	179	$380.00	$176.35
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	191	39	$79.66	$13.66
51798 Ultrasound measurement of bladder capacity after voiding	182	156	$101.00	$9.63
51720 Instillation of anti-cancer drug into bladder	106	19	$387.00	$86.67
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	104	46	$140.00	$31.00
J1580 Injection, garamycin, gentamicin, up to 80 mg	97	42	$6.50	$1.85
74420 Imaging of urinary tract	80	67	$57.00	$24.70
76872 Ultrasound scan of pelvic region through rectum	63	53	$449.00	$132.24
99441 Telephone medical discussion with physician, 5-10 minutes	61	54	$126.00	$53.37
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	51	30	$170.00	$70.76
A4648 Tissue marker, implantable, any type, each	48	16	$280.00	$222.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$310.00	$108.58
55700 Biopsy of prostate gland	46	46	$851.00	$244.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	42	42	$425.00	$162.39
51700 Simple bladder irrigation and/or instillation	39	33	$272.00	$75.45
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	37	$348.00	$197.15
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	38	38	$921.00	$297.50
52356 Crushing of stone of ureter with insertion of stent using an endoscope	37	34	$3748.65	$416.47
J3260 Injection, tobramycin sulfate, up to 80 mg	32	15	$4.05	$3.88
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	31	31	$512.00	$218.29
52224 Destruction of (less than 0.5 centimeters) growths of the bladder and bladder canal (urethra) using an endoscope	30	29	$2708.00	$157.48
52287 Exam with injections of chemical for destruction of bladder using an endoscope	25	22	$2200.00	$163.31
76872 Ultrasound scan of pelvic region through rectum	19	19	$449.00	$32.54
55700 Biopsy of prostate gland	19	19	$851.00	$123.73
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$337.74	$134.10
52332 Insertion of stent in urinary duct (ureter) using an endoscope	18	17	$1240.00	$124.18
55876 Placement of device in prostate for radiation therapy	16	16	$526.00	$146.30
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	15	15	$727.00	$56.31
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	12	$107.93	$37.81
51702 Simple insertion of temporary bladder tube	14	11	$306.00	$61.51
52235 Destruction and/or removal of growth of bladder and urethra using an endoscope, 2.0-5.0 cm	13	13	$1239.00	$288.45
54235 Injection procedure to induce erection	12	12	$230.00	$80.11
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	12	12	$2530.00	$730.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	5,280	14	$33.00	$19.61
J9030 Bcg live intravesical instillation, 1 mg	2,150	11	$6.20	$2.79
81002 Urinalysis, manual test	1,555	923	$23.00	$3.46
99213 Established patient office or other outpatient visit, typically 15 minutes	706	427	$205.00	$72.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	492	410	$271.00	$105.96
J9201 Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg	350	11	$20.00	$3.92
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	306	41	$470.00	$223.30
52000 Diagnostic exam of bladder and urethra using an endoscope	272	214	$1005.00	$203.22
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	225	32	$132.00	$13.79
51798 Ultrasound measurement of bladder capacity after voiding	202	166	$101.00	$9.64
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	164	138	$380.00	$142.57
51720 Instillation of anti-cancer drug into bladder	131	20	$387.00	$80.80
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	110	43	$140.00	$30.09
74420 Imaging of urinary tract	100	81	$57.00	$25.32
J1580 Injection, garamycin, gentamicin, up to 80 mg	62	31	$6.50	$1.92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	57	53	$346.12	$202.34
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	49	47	$921.00	$284.23
76872 Ultrasound scan of pelvic region through rectum	49	45	$449.00	$136.06
52356 Crushing of stone of ureter with insertion of stent using an endoscope	48	44	$3878.13	$446.24
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	39	23	$170.00	$72.23
55700 Biopsy of prostate gland	37	37	$851.00	$243.82
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	37	37	$512.00	$195.60
52224 Destruction of (less than 0.5 centimeters) growths of the bladder and bladder canal (urethra) using an endoscope	31	27	$2708.00	$180.25
51700 Simple bladder irrigation and/or instillation	29	26	$272.00	$70.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$310.00	$103.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$425.00	$162.39
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	15	$241.00	$103.96
52287 Exam with injections of chemical for destruction of bladder using an endoscope	22	21	$2200.00	$171.19
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	21	21	$606.91	$32.66
99441 Telephone medical discussion with physician, 5-10 minutes	20	20	$121.25	$43.64
51797 Insertion of device into abdomen with pressure and urine flow rate study	20	20	$289.05	$149.84
54235 Injection procedure to induce erection	18	18	$230.00	$80.83
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	13	$124.61	$44.04
52332 Insertion of stent in urinary duct (ureter) using an endoscope	16	15	$1325.25	$147.92
51729 Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies	13	13	$960.00	$363.17
52224 Destruction of (less than 0.5 centimeters) growths of the bladder and bladder canal (urethra) using an endoscope	12	12	$2708.00	$734.83
52235 Destruction and/or removal of growth of bladder and urethra using an endoscope, 2.0-5.0 cm	11	11	$1239.00	$296.53
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	11	11	$2530.00	$737.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1071 Injection, testosterone cypionate, 1 mg	11,260	11	$0.15	$0.03
J0897 Injection, denosumab, 1 mg	5,100	19	$33.00	$18.57
81002 Urinalysis, manual test	1,711	998	$23.00	$3.41
99213 Established patient office or other outpatient visit, typically 15 minutes	763	486	$205.00	$71.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	527	430	$271.00	$105.20
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	357	49	$475.27	$225.06
51798 Ultrasound measurement of bladder capacity after voiding	352	287	$101.00	$11.85
52000 Diagnostic exam of bladder and urethra using an endoscope	315	256	$1005.00	$181.71
J3490 Unclassified drugs	251	12	$103.53	$57.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	225	174	$380.00	$140.30
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	221	44	$132.00	$15.97
51720 Instillation of anti-cancer drug into bladder	143	23	$387.00	$81.10
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	137	53	$140.00	$29.13
74420 Imaging of urinary tract	117	99	$57.00	$25.58
J1580 Injection, garamycin, gentamicin, up to 80 mg	108	46	$6.50	$1.76
76872 Ultrasound scan of pelvic region through rectum	69	59	$449.00	$119.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	69	69	$312.93	$103.35
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	65	19	$126.00	$43.35
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	62	58	$348.00	$200.50
52356 Crushing of stone of ureter with insertion of stent using an endoscope	56	52	$3975.89	$445.40
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	53	21	$241.00	$103.04
55700 Biopsy of prostate gland	52	52	$851.00	$242.88
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	51	35	$170.00	$72.10
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	49	47	$921.00	$262.66
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	48	48	$512.00	$202.38
A4648 Tissue marker, implantable, any type, each	43	15	$280.00	$205.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$425.00	$157.36
J3260 Injection, tobramycin sulfate, up to 80 mg	30	14	$4.05	$3.08
51700 Simple bladder irrigation and/or instillation	30	29	$272.00	$71.69
52224 Destruction of (less than 0.5 centimeters) growths of the bladder and bladder canal (urethra) using an endoscope	26	22	$2708.00	$196.14
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	24	24	$619.00	$33.00
51797 Insertion of device into abdomen with pressure and urine flow rate study	24	24	$300.00	$132.23
52332 Insertion of stent in urinary duct (ureter) using an endoscope	23	22	$1164.52	$120.02
52287 Exam with injections of chemical for destruction of bladder using an endoscope	20	20	$2200.00	$168.75
51729 Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies	17	17	$960.00	$343.71
51741 Electronic assessment of bladder emptying	15	15	$186.00	$7.06
55876 Placement of device in prostate for radiation therapy	15	15	$526.00	$139.31
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	12	12	$2530.00	$724.90
52285 Examination of bladder and bladder canal (urethra) for treatment of female urethral syndrome using an endoscope	12	12	$952.00	$297.93
99238 Hospital discharge day management, 30 minutes or less	11	11	$310.00	$72.00
52234 Destruction and/or removal of growth of bladder and urethra using an endoscope, 0.5-2.0 cm	11	11	$851.00	$228.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	9,360	21	$33.00	$17.85
99213 Established patient office or other outpatient visit, typically 15 minutes	750	523	$205.00	$68.39
81002 Urinalysis, manual test	636	379	$23.00	$3.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	500	364	$271.00	$100.59
51798 Ultrasound measurement of bladder capacity after voiding	452	328	$101.00	$14.27
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	357	53	$470.00	$213.10
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	336	60	$132.00	$18.90
52000 Diagnostic exam of bladder and urethra using an endoscope	306	226	$1005.00	$155.09
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	190	150	$380.00	$135.74
74420 Imaging of urinary tract	158	96	$57.00	$16.81
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	145	56	$140.00	$28.11
J1580 Injection, garamycin, gentamicin, up to 80 mg	138	62	$6.50	$1.41
51720 Instillation of anti-cancer drug into bladder	98	21	$387.00	$78.84
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	90	67	$85.00	$19.88
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	80	40	$170.00	$69.87
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	80	42	$241.00	$97.53
76872 Ultrasound scan of pelvic region through rectum	75	68	$449.00	$87.21
J9031 Bcg (intravesical) per instillation	71	17	$310.00	$133.14
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	65	36	$126.00	$40.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	59	59	$425.00	$151.66
51705 Removal of skin suture with change of bladder tube	55	15	$408.00	$85.41
55700 Biopsy of prostate gland	54	54	$851.00	$228.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	53	53	$310.00	$101.85
52356 Crushing of stone of ureter with insertion of stent using an endoscope	46	44	$3848.37	$414.69
A4648 Tissue marker, implantable, any type, each	43	15	$280.00	$82.75
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	42	42	$921.00	$232.81
51700 Simple bladder irrigation and/or instillation	41	37	$272.00	$64.69
52005 Insertion of tube into ureter using an endoscope through bladder area	37	31	$920.00	$52.13
52224 Destruction of (less than 0.5 centimeters) growths of the bladder and bladder canal (urethra) using an endoscope	36	33	$2708.00	$165.37
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	35	35	$619.00	$32.66
51797 Insertion of device into abdomen with pressure and urine flow rate study	35	35	$300.00	$105.23
51729 Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies	32	32	$960.00	$317.78
52332 Insertion of stent in urinary duct (ureter) using an endoscope	29	26	$1269.93	$117.65
51741 Electronic assessment of bladder emptying	28	28	$186.00	$7.44
52287 Exam with injections of chemical for destruction of bladder using an endoscope	27	24	$2200.00	$160.94
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	23	23	$512.00	$196.44
51702 Simple insertion of temporary bladder tube	20	16	$306.00	$58.29
55876 Placement of device in prostate for radiation therapy	15	15	$526.00	$126.65
52285 Examination of bladder and bladder canal (urethra) for treatment of female urethral syndrome using an endoscope	15	14	$952.00	$268.12
51700 Simple bladder irrigation and/or instillation	14	13	$272.00	$28.99
99231 Follow-up hospital inpatient care per day, typically 15 minutes	12	12	$101.00	$37.72
54235 Injection procedure to induce erection	11	11	$230.00	$79.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	8,760	17	$33.00	$16.63
99213 Established patient office or other outpatient visit, typically 15 minutes	747	466	$205.00	$65.32
81002 Urinalysis, manual test	651	363	$23.00	$3.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	563	413	$271.19	$95.88
51798 Ultrasound measurement of bladder capacity after voiding	480	319	$101.00	$16.80
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	449	83	$132.00	$22.31
52000 Diagnostic exam of bladder and urethra using an endoscope	346	257	$1005.00	$146.77
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	315	49	$470.00	$205.91
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	198	136	$380.00	$128.10
74420 Imaging of urinary tract	163	85	$57.00	$16.23
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	150	99	$85.00	$17.85
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	125	51	$140.00	$28.26
51720 Instillation of anti-cancer drug into bladder	120	20	$387.00	$79.24
J1580 Injection, garamycin, gentamicin, up to 80 mg	116	46	$6.50	$1.49
J9031 Bcg (intravesical) per instillation	107	18	$310.00	$126.70
51705 Removal of skin suture with change of bladder tube	76	17	$408.00	$81.81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	67	36	$241.00	$96.21
76872 Ultrasound scan of pelvic region through rectum	54	46	$449.00	$82.85
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	50	43	$727.00	$53.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	48	48	$425.00	$149.20
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	47	29	$170.00	$66.48
52005 Insertion of tube into ureter using an endoscope through bladder area	44	37	$920.00	$30.85
A4648 Tissue marker, implantable, any type, each	39	13	$278.08	$76.52
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	39	24	$126.00	$38.94
51700 Simple bladder irrigation and/or instillation	39	33	$272.00	$64.01
55700 Biopsy of prostate gland	36	36	$851.00	$220.08
52224 Destruction of (less than 0.5 centimeters) growths of the bladder and bladder canal (urethra) using an endoscope	36	32	$2708.00	$156.18
52332 Insertion of stent in urinary duct (ureter) using an endoscope	36	23	$1271.00	$112.25
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	32	32	$619.00	$31.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$310.00	$98.05
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	31	30	$921.00	$221.19
52356 Crushing of stone of ureter with insertion of stent using an endoscope	31	27	$3885.48	$402.42
51797 Insertion of device into abdomen with pressure and urine flow rate study	31	31	$300.00	$97.08
51741 Electronic assessment of bladder emptying	28	28	$186.00	$7.13
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	27	$512.00	$188.28
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	23	23	$2530.00	$798.70
51729 Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies	23	23	$954.04	$301.52
52287 Exam with injections of chemical for destruction of bladder using an endoscope	19	19	$2200.00	$156.58
52224 Destruction of (less than 0.5 centimeters) growths of the bladder and bladder canal (urethra) using an endoscope	17	16	$2708.00	$609.83
51702 Simple insertion of temporary bladder tube	16	12	$306.00	$56.09
52285 Examination of bladder and bladder canal (urethra) for treatment of female urethral syndrome using an endoscope	16	15	$952.00	$248.06
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	12	$101.00	$36.30
55876 Placement of device in prostate for radiation therapy	13	13	$526.00	$119.66
52351 Diagnostic examination of the bladder, bladder canal (urethra), and urinary duct (ureter) or kidney using an endoscope	11	11	$1579.36	$261.66

Medical Specialties & State Licenses

Urology Primary Specialty

NUCC Taxonomy Code: 208800000X

State License IL 036114878

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036114878 (IL)

Commercial Insurance / Payer ID Railroad

DE2609 (IL)

Hospital & Practice Group Affiliations

Advanced Urologic Surgeons Pc

4109 S Water Tower Pl, Mount Vernon, IL 628646293

Phone: 6182444060

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners

Heather Knowles , APN-BC ACNP

Nurse Practitioner - Acute Care

NPI 1922244045

APNBCACNP

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events

✅

NPI Profile Active April 20, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location April 20, 2017

Registered at 4109 S WATER TOWER PL, MOUNT VERNON, IL 628646293 (Tel: 6182444060)

📍

Updated Business Mailing Address April 20, 2017

Registered at 4109 S WATER TOWER PL, MOUNT VERNON, IL 628646293 (Tel: 6182444060)

👤

Provider Name / Credentials Updated April 20, 2017

Recorded as DAVID KNOWLES, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 20, 2017

Urology (License #036114878 in IL)

✅

NPI Profile Active October 25, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location October 25, 2007

Registered at 604 SEVILLE DR, MOUNT VERNON, IL 628647001 (Tel: 6182444060)

📍

Updated Business Mailing Address October 25, 2007

Registered at 604 SEVILLE DR, MOUNT VERNON, IL 628647001 (Tel: 6182444060)

👤

Provider Name / Credentials Updated October 25, 2007

Recorded as DAVID KNOWLES, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 25, 2007

Urology

🟢

Initial NPI Registration & Enumeration June 15, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

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NPI Administrative Meta

NPI Number: 1881699908

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 15, 2005

Last Update: April 20, 2017

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

4109 S Water Tower Pl

Mount Vernon, IL 628646293

Phone: 6182444060

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.