Active NPI 1740324912 Individual Practitioner Male Practitioner

Dr. Philip Koi , MD

Urology • Silver Spring, MD

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Philip Koi, MD is a certified Urology practicing in Silver Spring, MD. With approximately 25 years of clinical experience since graduating from Tufts University School Of Medicine in 2001, Dr. Koi delivers high-quality medical care to the local community at 3801 INTERNATIONAL DR STE 310.

Dr. Koi is affiliated with Chesapeake Urology Associates Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, established patient outpatient office visit, automated urinalysis test. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3801 International Dr Ste 310

Silver Spring, MD 209061550

Telephone 6023751700

Associated Practice Facility / Clinic

🏢 Canyon State Urology, Pc Facility NPI 1053455238

Medicare Profile & Education

Medical School

Tufts University School Of Medicine

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Urology in Silver Spring, MD

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

25 Yrs +2.5 yrs vs City Avg

City Avg: 22.5 Yrs

State Avg: 27.2 Yrs

Regional Practice Density

10 Specialists

Practicing in Silver Spring, MD (331 Statewide)

Telehealth Adoption Rate

60.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

84.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Koi (25 Years) 25 Yrs

Silver Spring Specialty Average (22.5 Years) 22.5 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
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	945	549	$42.76	$17.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	467	328	$305.45	$139.48
81003 Automated urinalysis test	306	259	$5.00	$2.18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	263	262	$406.30	$183.29
99213 Established patient office or other outpatient visit, typically 15 minutes	261	202	$269.75	$99.81
51798 Ultrasound measurement of bladder capacity after voiding	225	181	$61.79	$13.12
52000 Diagnostic exam of bladder and urethra using an endoscope	181	177	$442.36	$85.69
76872 Ultrasound scan of pelvic region through rectum	100	99	$330.25	$33.91
51741 Electronic assessment of bladder emptying	94	79	$197.72	$14.44
76770 Complete ultrasound scan behind abdominal cavity	90	81	$427.67	$123.28
36415 Insertion of needle into vein for collection of blood sample	83	74	$21.00	$8.65
55899 Other procedure on male genital system	73	61	$851.64	$178.86
52442 Insertion of implant in urethra within prostate gland using an endoscope, each additional implant	73	14	$4513.27	$53.49
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	65	16	$168.91	$68.91
99426 Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month	59	12	$166.00	$68.13
76775 Limited ultrasound scan behind abdominal cavity	48	42	$268.23	$66.31
51700 Simple bladder irrigation and/or instillation	32	31	$172.16	$86.82
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	30	30	$411.40	$35.66
51797 Insertion of device into abdomen with pressure and urine flow rate study	30	30	$650.40	$215.35
51702 Simple insertion of temporary bladder tube	28	20	$146.93	$70.50
55700 Biopsy of prostate gland	27	27	$636.26	$138.77
99213 Established patient office or other outpatient visit, typically 15 minutes	25	25	$270.40	$70.65
74420 Imaging of urinary tract	25	21	$328.92	$25.65
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	25	13	$128.88	$53.09
51705 Removal of skin suture with change of bladder tube	23	15	$217.78	$109.87
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies	22	21	$1056.32	$378.41
52441 Insertion of implant in urethra within prostate gland using an endoscope, 1 implant	15	14	$5999.40	$222.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$266.00	$117.31
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	13	13	$2645.00	$788.27
52356 Crushing of stone of ureter with insertion of stent using an endoscope	13	13	$5219.23	$429.05
51729 Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies	13	13	$1682.92	$434.34
52332 Insertion of stent in urinary duct (ureter) using an endoscope	12	11	$1200.83	$111.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	360	277	$269.13	$127.58
99213 Established patient office or other outpatient visit, typically 15 minutes	212	190	$193.39	$88.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	196	196	$381.10	$178.56
51798 Ultrasound measurement of bladder capacity after voiding	162	138	$47.81	$11.26
52000 Diagnostic exam of bladder and urethra using an endoscope	110	108	$509.62	$81.50
51741 Electronic assessment of bladder emptying	107	100	$159.52	$11.05
81003 Automated urinalysis test	82	79	$5.00	$2.17
76770 Complete ultrasound scan behind abdominal cavity	77	74	$333.10	$114.74
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies	57	52	$923.32	$346.17
76872 Ultrasound scan of pelvic region through rectum	54	54	$331.93	$32.87
99213 Established patient office or other outpatient visit, typically 15 minutes	39	39	$226.31	$66.86
55899 Other procedure on male genital system	33	32	$840.00	$86.38
36415 Insertion of needle into vein for collection of blood sample	22	21	$21.00	$8.40
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	20	$118.35	$35.96
51700 Simple bladder irrigation and/or instillation	17	17	$564.59	$85.53
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	15	15	$351.47	$32.52
51797 Insertion of device into abdomen with pressure and urine flow rate study	15	15	$530.00	$197.90
74420 Imaging of urinary tract	12	11	$245.08	$24.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	393	258	$256.00	$124.53
99213 Established patient office or other outpatient visit, typically 15 minutes	293	238	$180.00	$88.32
51798 Ultrasound measurement of bladder capacity after voiding	120	105	$37.00	$10.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	107	107	$331.00	$163.18
51741 Electronic assessment of bladder emptying	100	88	$143.00	$8.76
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies	91	81	$916.03	$330.69
52000 Diagnostic exam of bladder and urethra using an endoscope	90	79	$579.00	$240.23
76770 Complete ultrasound scan behind abdominal cavity	71	63	$277.00	$107.54
76872 Ultrasound scan of pelvic region through rectum	31	30	$342.00	$136.34
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	25	24	$332.00	$22.16
51797 Insertion of device into abdomen with pressure and urine flow rate study	25	23	$461.00	$148.48
50590 Shock wave crushing of kidney stones	19	18	$1853.00	$557.80
52332 Insertion of stent in urinary duct (ureter) using an endoscope	16	11	$1096.00	$121.72
76775 Limited ultrasound scan behind abdominal cavity	15	14	$145.00	$57.42
51700 Simple bladder irrigation and/or instillation	15	15	$195.00	$75.60
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$393.00	$191.85
81003 Automated urinalysis test	11	11	$6.00	$2.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J9030 Bcg live intravesical instillation, 1 mg	3,050	17	$4.90	$2.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	375	244	$240.32	$126.83
99213 Established patient office or other outpatient visit, typically 15 minutes	305	238	$165.72	$89.57
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	131	22	$1376.26	$175.30
51798 Ultrasound measurement of bladder capacity after voiding	115	98	$29.18	$9.92
51741 Electronic assessment of bladder emptying	107	92	$130.05	$8.32
52000 Diagnostic exam of bladder and urethra using an endoscope	92	82	$523.51	$227.05
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies	88	78	$809.36	$358.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	72	72	$330.72	$165.29
51720 Instillation of anti-cancer drug into bladder	61	17	$206.10	$86.47
76770 Complete ultrasound scan behind abdominal cavity	56	56	$263.00	$110.16
51700 Simple bladder irrigation and/or instillation	48	42	$168.75	$77.72
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	33	24	$74.55	$31.78
76872 Ultrasound scan of pelvic region through rectum	30	29	$324.30	$132.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	22	$100.96	$55.12
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	20	20	$652.15	$295.95
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	20	15	$37.45	$13.86
J1580 Injection, garamycin, gentamicin, up to 80 mg	18	16	$3.00	$1.87
50590 Shock wave crushing of kidney stones	18	16	$1746.06	$559.47
52332 Insertion of stent in urinary duct (ureter) using an endoscope	17	14	$1028.71	$123.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$219.00	$110.42
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$269.25	$133.19
74420 Imaging of urinary tract	15	13	$58.27	$24.72
81003 Automated urinalysis test	13	12	$6.00	$2.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	350	286	$147.00	$73.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	296	197	$216.00	$106.45
52000 Diagnostic exam of bladder and urethra using an endoscope	78	71	$334.00	$204.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	78	78	$326.87	$162.51
51741 Electronic assessment of bladder emptying	73	65	$110.00	$13.20
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	72	13	$472.00	$208.01
76857 Limited ultrasound scan of pelvis	61	55	$120.00	$47.82
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	35	$89.89	$44.11
51700 Simple bladder irrigation and/or instillation	33	28	$150.00	$72.10
76872 Ultrasound scan of pelvic region through rectum	32	29	$257.97	$141.02
76000 Imaging guidance for procedure, 60 minutes or less	27	24	$110.67	$14.33
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	18	$290.00	$143.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$213.26	$106.35
51798 Ultrasound measurement of bladder capacity after voiding	23	23	$32.00	$9.65
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	22	18	$42.00	$14.00
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	17	13	$62.00	$30.84
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	17	15	$240.00	$56.69
J1580 Injection, garamycin, gentamicin, up to 80 mg	17	15	$3.00	$1.92
74420 Imaging of urinary tract	16	15	$43.31	$23.86
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	13	12	$496.00	$267.70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$276.00	$136.39
53854 Destruction of prostate tissue accessed through urethra using radiofrequency generated water vapor heat therapy	12	12	$4560.00	$1773.56
52356 Crushing of stone of ureter with insertion of stent using an endoscope	11	11	$854.00	$366.71
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$408.00	$202.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	490	296	$216.00	$106.25
99213 Established patient office or other outpatient visit, typically 15 minutes	326	263	$146.90	$72.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	128	128	$330.00	$161.36
52000 Diagnostic exam of bladder and urethra using an endoscope	109	98	$334.72	$187.89
51741 Electronic assessment of bladder emptying	89	87	$110.00	$13.43
76857 Limited ultrasound scan of pelvis	77	76	$116.00	$47.60
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	72	12	$472.00	$223.13
51700 Simple bladder irrigation and/or instillation	64	53	$150.00	$71.65
76872 Ultrasound scan of pelvic region through rectum	62	48	$193.94	$119.67
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	37	$88.00	$43.21
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	34	24	$290.00	$140.75
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	32	29	$240.00	$54.61
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	31	20	$42.00	$16.44
76000 Imaging guidance for procedure, 60 minutes or less	29	26	$96.00	$15.43
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$276.00	$135.63
64566 Implantation of lower leg neurostimulator electrode, accessed through the skin	27	11	$260.00	$125.96
51798 Ultrasound measurement of bladder capacity after voiding	25	23	$32.00	$12.45
51702 Simple insertion of temporary bladder tube	20	15	$130.00	$52.18
74420 Imaging of urinary tract	20	18	$36.00	$25.77
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	19	19	$496.00	$267.87
99231 Follow-up hospital inpatient care per day, typically 15 minutes	17	15	$80.00	$39.01
J1580 Injection, garamycin, gentamicin, up to 80 mg	17	15	$3.00	$1.78
55700 Biopsy of prostate gland	17	17	$504.00	$236.08
50590 Shock wave crushing of kidney stones	15	13	$1468.00	$569.18
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	13	12	$44.00	$22.35
52352 Removal or manipulation of stone in ureter or kidney using an endoscope	13	12	$728.00	$147.16
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	12	12	$62.00	$30.34
53854 Destruction of prostate tissue accessed through urethra using radiofrequency generated water vapor heat therapy	12	12	$4560.00	$1809.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	413	311	$146.00	$71.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	329	220	$216.00	$103.40
52000 Diagnostic exam of bladder and urethra using an endoscope	100	92	$413.00	$161.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	98	98	$330.00	$160.38
51741 Electronic assessment of bladder emptying	87	86	$110.00	$14.58
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	84	13	$472.00	$214.35
64566 Implantation of lower leg neurostimulator electrode, accessed through the skin	83	19	$246.08	$126.95
76872 Ultrasound scan of pelvic region through rectum	78	58	$190.00	$93.09
76857 Limited ultrasound scan of pelvis	76	76	$118.84	$47.38
51700 Simple bladder irrigation and/or instillation	67	61	$167.73	$62.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	40	36	$88.00	$42.98
76000 Imaging guidance for procedure, 60 minutes or less	37	30	$94.00	$8.27
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	34	32	$207.00	$56.05
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	31	19	$51.00	$19.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	25	25	$275.04	$134.81
74420 Imaging of urinary tract	23	20	$36.00	$16.83
51798 Ultrasound measurement of bladder capacity after voiding	22	22	$39.00	$15.43
53899 Other procedure on urinary system	20	20	$3854.00	$1839.85
J1580 Injection, garamycin, gentamicin, up to 80 mg	17	14	$2.00	$1.41
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	16	15	$40.25	$21.12
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$289.00	$134.67
50590 Shock wave crushing of kidney stones	16	13	$1453.94	$542.06
55700 Biopsy of prostate gland	15	15	$441.00	$239.51
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	15	15	$490.00	$228.63
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	14	13	$64.36	$30.07
81002 Urinalysis, manual test	13	12	$6.00	$3.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$217.00	$105.69
52005 Insertion of tube into ureter using an endoscope through bladder area	13	12	$535.00	$58.12
99231 Follow-up hospital inpatient care per day, typically 15 minutes	12	11	$78.00	$38.72
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	11	11	$388.00	$37.39
51797 Insertion of device into abdomen with pressure and urine flow rate study	11	11	$226.00	$111.93
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies	11	11	$635.00	$314.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	350	265	$146.00	$86.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	334	201	$216.00	$125.60
51700 Simple bladder irrigation and/or instillation	112	92	$168.00	$78.06
52000 Diagnostic exam of bladder and urethra using an endoscope	97	89	$413.00	$198.41
51741 Electronic assessment of bladder emptying	85	82	$54.02	$17.58
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	78	12	$470.62	$207.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	76	76	$330.00	$190.37
76857 Limited ultrasound scan of pelvis	70	67	$95.36	$58.57
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	49	44	$40.00	$24.13
64566 Implantation of lower leg neurostimulator electrode, accessed through the skin	44	17	$245.00	$155.41
76872 Ultrasound scan of pelvic region through rectum	43	37	$190.00	$117.05
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	38	$88.00	$52.74
76000 Imaging guidance for procedure, 60 minutes or less	36	24	$94.00	$10.08
51798 Ultrasound measurement of bladder capacity after voiding	34	31	$39.00	$23.08
74420 Imaging of urinary tract	33	24	$36.00	$20.80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	29	$275.00	$166.28
99231 Follow-up hospital inpatient care per day, typically 15 minutes	25	15	$78.00	$48.30
53852 Destruction of prostate tissue through bladder canal (urethra)	22	22	$3854.00	$2353.55
81002 Urinalysis, manual test	19	17	$6.00	$3.43
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	17	11	$51.00	$31.31
52356 Crushing of stone of ureter with insertion of stent using an endoscope	17	13	$848.00	$497.82
52352 Removal or manipulation of stone in ureter or kidney using an endoscope	17	13	$724.00	$63.08
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	17	16	$490.00	$286.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$217.00	$122.78
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies	14	14	$635.00	$363.99
51797 Insertion of device into abdomen with pressure and urine flow rate study	14	14	$226.00	$130.40
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings	14	14	$388.00	$41.58
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	13	12	$65.00	$38.24

Medical Specialties & State Licenses

CMS Verified: 2025-03-12

Urology Primary Specialty

NUCC Taxonomy Code: 208800000X

State License MD D0097304

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.

Hospital & Practice Group Affiliations

Chesapeake Urology Associates Llc

7580 Buckingham Blvd, Hanover, MD 210763208

Phone: 4107609400

Chesapeake Urology Associates Llc

3801 International Dr, Silver Spring, MD 209061550

Phone: 3015989171

Secondary Practice Locations

7580 Buckingham Blvd Ste 110

Hanover, MD 210763208

Phone: 4107609400

Practice Associates & Co-Workers

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

8 Associated Practitioners

Samadhy Ruiz , PA-C

Physician Assistant

NPI 1023093754

Physician Assistant (Certified)

Sarah Ontiveros , AGNP-C

Nurse Practitioner - Primary Care

NPI 1043695018

Adult-Gerontology Nurse Practitioner (Certified)

Mark Mitchell , PA-C

Physician Assistant

NPI 1083694061

Physician Assistant (Certified)

Dr. Paul Block , MD

Urology

NPI 1225038458

Doctor of Medicine (M.D.)

Sho Grant

Physician Assistant

NPI 1245785732

Paola Mendoza , PA

Physician Assistant

NPI 1285252056

Physician Assistant

Career & Practice History Timeline

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

10 Historical Events

📍

Updated Business Mailing Address March 12, 2025

Registered at 10200 GRAND CENTRAL AVE STE 220, OWINGS MILLS, MD 211174366

📍

Updated Practice Location September 10, 2024

Registered at 3801 INTERNATIONAL DR STE 310, SILVER SPRING, MD 209061550 (Tel: 6023751700)

📍

Updated Business Mailing Address September 10, 2024

Registered at 25 CROSSROADS DR STE 306, OWINGS MILLS, MD 211175437

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 10, 2024

Urology (License #D0097304 in MD)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 5750 W THUNDERBIRD RD STE B200, GLENDALE, AZ 853064664 (Tel: 6023751700)

📍

Updated Business Mailing Address July 08, 2007

Registered at 5750 W THUNDERBIRD RD STE B200, GLENDALE, AZ 853064664 (Tel: 6023751700)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as PHILIP KOI, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Urology (License #36603 in AZ)

🟢

Initial NPI Registration & Enumeration February 19, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1740324912

Entity Type:

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

Enumeration Date: February 19, 2007

Last Update: March 12, 2025

Sole Proprietor: No

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Mailing Address

10200 Grand Central Ave Ste 220

Owings Mills, MD 211174366

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.