Active NPI 1629194030 Individual Practitioner Male Practitioner

Dr. Christopher Robert Hempel , MD

Urology • Everett, WA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Hempel, MD is a certified Urology practicing in Everett, WA. With approximately 22 years of clinical experience since graduating from University Of Missouri, Columbia School Of Medicine in 2004, Dr. Hempel delivers high-quality medical care to the local community at 3901 HOYT AVE.

Dr. Hempel is affiliated with Optum Care Washington Pllc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, psa (prostate specific antigen) measurement, total, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3901 Hoyt Ave

Everett, WA 982014918

Telephone 4253395443

Fax 4253173935

Associated Practice Facility / Clinic

🏢 Optum Care Washington Pllc Facility NPI 1831186766

Medicare Profile & Education

Medical School

University Of Missouri, Columbia School Of Medicine

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Urology in Everett, WA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

22 Yrs -2.5 yrs vs City Avg

City Avg: 24.5 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

10 Specialists

Practicing in Everett, WA (351 Statewide)

Telehealth Adoption Rate

50.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

66.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hempel (22 Years) 22 Yrs

Everett Specialty Average (24.5 Years) 24.5 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	255	182	$351.18	$127.10
84153 Psa (prostate specific antigen) measurement, total	137	94	$41.25	$17.86
36415 Insertion of needle into vein for collection of blood sample	132	98	$18.00	$8.64
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	72	11	$753.00	$177.55
52000 Diagnostic exam of bladder and urethra using an endoscope	69	58	$616.25	$241.59
51798 Ultrasound measurement of bladder capacity after voiding	59	56	$46.76	$11.49
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$466.56	$163.95
99213 Established patient office or other outpatient visit, typically 15 minutes	50	46	$251.15	$89.15
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	48	42	$500.81	$176.46
51702 Simple insertion of temporary bladder tube	40	14	$178.25	$61.68
87086 Bacterial colony count, urine	39	28	$18.25	$7.91
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	37	27	$61.75	$14.39
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	24	16	$19.50	$8.48
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	23	21	$210.54	$38.13
J1580 Injection, garamycin, gentamicin, up to 80 mg	23	21	$6.00	$2.46
87077 Bacterial culture for aerobic isolates	18	13	$18.25	$7.92
55700 Biopsy of prostate gland	17	17	$718.75	$234.15
76872 Ultrasound scan of pelvic region through rectum	14	14	$473.25	$140.57
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	11	11	$838.75	$320.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
A9575 Injection, gadoterate meglumine, 0.1 ml	2,949	18	$1.00	$0.14
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,325	11	$1.25	$0.16
J9030 Bcg live intravesical instillation, 1 mg	911	12	$6.25	$2.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	259	174	$308.68	$126.85
84153 Psa (prostate specific antigen) measurement, total	117	73	$41.25	$17.76
36415 Insertion of needle into vein for collection of blood sample	114	78	$13.46	$8.11
88305 Pathology examination of tissue using a microscope, intermediate complexity	104	19	$211.25	$73.17
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	83	16	$753.00	$150.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	74	74	$450.50	$166.91
64566 Implantation of lower leg neurostimulator electrode, accessed through the skin	69	13	$374.00	$121.25
51798 Ultrasound measurement of bladder capacity after voiding	68	60	$46.75	$10.98
51702 Simple insertion of temporary bladder tube	56	16	$178.16	$63.24
52000 Diagnostic exam of bladder and urethra using an endoscope	53	40	$587.18	$248.60
74018 X-ray of abdomen, 1 view	52	42	$84.21	$30.62
51720 Instillation of anti-cancer drug into bladder	39	12	$269.25	$89.74
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	38	31	$430.97	$181.16
87086 Bacterial colony count, urine	30	25	$18.25	$7.71
99213 Established patient office or other outpatient visit, typically 15 minutes	24	20	$217.75	$89.83
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	22	22	$567.75	$221.88
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	19	13	$95.50	$31.61
76872 Ultrasound scan of pelvic region through rectum	18	18	$473.25	$142.21
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	18	16	$86.75	$30.50
55700 Biopsy of prostate gland	17	17	$718.75	$239.62
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	16	12	$19.50	$8.48
74176 Ct scan of abdomen and pelvis without contrast	16	15	$572.25	$195.67
J1580 Injection, garamycin, gentamicin, up to 80 mg	16	13	$6.00	$2.76
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	13	12	$61.75	$14.42
72197 Mri scan of pelvis before and after contrast	13	13	$1272.27	$365.56
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	12	12	$838.75	$307.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
A9575 Injection, gadoterate meglumine, 0.1 ml	3,497	22	$1.00	$0.15
J9030 Bcg live intravesical instillation, 1 mg	1,293	13	$6.00	$2.81
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,225	11	$1.25	$0.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	274	190	$301.35	$126.44
84153 Psa (prostate specific antigen) measurement, total	125	83	$41.25	$17.94
36415 Insertion of needle into vein for collection of blood sample	123	89	$7.25	$2.96
88305 Pathology examination of tissue using a microscope, intermediate complexity	115	20	$211.25	$68.45
51798 Ultrasound measurement of bladder capacity after voiding	88	78	$47.01	$10.77
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	80	14	$753.00	$185.16
51702 Simple insertion of temporary bladder tube	80	14	$173.56	$63.83
52000 Diagnostic exam of bladder and urethra using an endoscope	73	55	$598.02	$253.49
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	71	56	$418.78	$182.13
74018 X-ray of abdomen, 1 view	66	46	$81.88	$30.55
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$436.69	$168.01
87086 Bacterial colony count, urine	52	36	$18.25	$7.98
51720 Instillation of anti-cancer drug into bladder	47	15	$261.50	$89.35
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	45	45	$550.78	$222.67
81001 Manual urinalysis test with examination using microscope, automated	41	30	$7.25	$3.14
99213 Established patient office or other outpatient visit, typically 15 minutes	40	38	$212.40	$89.74
U0004 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc, making use of high throughput technologies as described by cms-2020-01-r	33	28	$170.00	$74.30
U0005 Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, cdc or non-cdc, making use of high throughput technologies, completed within	33	28	$50.00	$24.77
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	28	18	$19.50	$8.55
87077 Bacterial culture for aerobic isolates	22	14	$18.25	$7.99
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	21	14	$92.25	$34.13
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	19	15	$108.16	$32.26
76872 Ultrasound scan of pelvic region through rectum	17	17	$473.25	$136.36
72197 Mri scan of pelvis before and after contrast	17	17	$1386.50	$371.74
55700 Biopsy of prostate gland	17	17	$698.00	$248.53
82565 Blood creatinine level	16	16	$11.50	$5.09
74420 Imaging of urinary tract	14	12	$66.68	$24.82
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	14	12	$64.00	$23.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,950	17	$1.25	$0.12
A9575 Injection, gadoterate meglumine, 0.1 ml	1,846	13	$1.00	$0.16
J9030 Bcg live intravesical instillation, 1 mg	1,225	11	$6.00	$2.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	254	172	$282.75	$129.77
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	142	24	$753.00	$180.22
36415 Insertion of needle into vein for collection of blood sample	114	76	$7.25	$3.00
84153 Psa (prostate specific antigen) measurement, total	104	64	$41.25	$18.39
88305 Pathology examination of tissue using a microscope, intermediate complexity	97	16	$205.00	$69.29
52000 Diagnostic exam of bladder and urethra using an endoscope	76	63	$580.07	$238.52
64566 Implantation of lower leg neurostimulator electrode, accessed through the skin	74	11	$352.50	$132.25
51798 Ultrasound measurement of bladder capacity after voiding	73	65	$49.99	$10.51
51702 Simple insertion of temporary bladder tube	70	18	$184.25	$64.69
74018 X-ray of abdomen, 1 view	69	49	$78.43	$28.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	64	51	$379.75	$176.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	60	60	$430.00	$163.41
99213 Established patient office or other outpatient visit, typically 15 minutes	47	43	$195.75	$89.83
81001 Manual urinalysis test with examination using microscope, automated	41	32	$7.25	$3.17
51720 Instillation of anti-cancer drug into bladder	39	16	$282.50	$91.75
U0004 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc, making use of high throughput technologies as described by cms-2020-01-r	37	28	$170.00	$75.00
U0005 Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, cdc or non-cdc, making use of high throughput technologies, completed within	37	28	$50.00	$25.00
87086 Bacterial colony count, urine	35	30	$18.25	$7.87
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	29	22	$101.50	$31.59
81002 Urinalysis, manual test	24	20	$7.50	$3.37
82565 Blood creatinine level	24	21	$11.50	$5.12
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	$540.75	$211.79
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	20	19	$86.75	$30.28
74420 Imaging of urinary tract	20	16	$64.28	$25.24
J1580 Injection, garamycin, gentamicin, up to 80 mg	18	17	$3.75	$1.76
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	18	18	$66.25	$13.90
55700 Biopsy of prostate gland	16	16	$677.75	$258.26
76872 Ultrasound scan of pelvic region through rectum	16	16	$396.75	$138.12
81003 Automated urinalysis test	15	15	$5.25	$2.12
74176 Ct scan of abdomen and pelvis without contrast	15	14	$580.25	$196.23
74183 Mri scan of abdomen before and after contrast	14	12	$1429.75	$396.34
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	13	11	$62.25	$23.34
76770 Complete ultrasound scan behind abdominal cavity	13	11	$334.31	$116.83
52356 Crushing of stone of ureter with insertion of stent using an endoscope	11	11	$1110.18	$416.82
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	11	11	$790.75	$323.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	2,725	23	$1.25	$0.11
A9585 Injection, gadobutrol, 0.1 ml	1,032	12	$1.00	$0.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	229	169	$276.00	$110.47
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	141	20	$753.00	$217.75
36415 Insertion of needle into vein for collection of blood sample	109	73	$7.25	$2.95
84153 Psa (prostate specific antigen) measurement, total	93	60	$41.25	$18.09
88305 Pathology examination of tissue using a microscope, intermediate complexity	78	13	$211.75	$72.71
52000 Diagnostic exam of bladder and urethra using an endoscope	67	57	$510.25	$218.70
51798 Ultrasound measurement of bladder capacity after voiding	62	56	$49.56	$10.61
74018 X-ray of abdomen, 1 view	59	39	$69.31	$28.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	56	56	$421.25	$165.64
51702 Simple insertion of temporary bladder tube	52	13	$181.25	$62.95
81002 Urinalysis, manual test	50	46	$5.75	$3.45
88341 Special stained specimen slides to examine tissue	48	11	$226.00	$95.97
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	41	35	$372.00	$148.70
87086 Bacterial colony count, urine	37	29	$18.25	$7.78
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	33	19	$99.50	$31.84
81001 Manual urinalysis test with examination using microscope, automated	30	24	$7.25	$2.97
88342 Special stained specimen slides to examine tissue, initial procedure	26	11	$273.00	$109.25
82565 Blood creatinine level	23	21	$11.50	$5.09
99213 Established patient office or other outpatient visit, typically 15 minutes	21	21	$187.00	$76.72
74420 Imaging of urinary tract	19	15	$45.38	$26.14
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	18	16	$63.18	$14.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$276.50	$110.50
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	17	16	$638.00	$300.55
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	17	13	$19.50	$8.54
76770 Complete ultrasound scan behind abdominal cavity	16	15	$359.00	$116.85
J1580 Injection, garamycin, gentamicin, up to 80 mg	16	15	$3.75	$1.93
74176 Ct scan of abdomen and pelvis without contrast	16	12	$578.00	$195.35
U0004 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc, making use of high throughput technologies as described by cms-2020-01-r	16	14	$205.50	$100.00
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	16	15	$85.25	$32.71
52356 Crushing of stone of ureter with insertion of stent using an endoscope	15	13	$1125.82	$446.01
76872 Ultrasound scan of pelvic region through rectum	14	14	$237.25	$149.56
74178 Ct scan of abdomen and pelvis before and after contrast	14	14	$1016.00	$379.13
55700 Biopsy of prostate gland	13	13	$648.75	$259.06
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$529.75	$195.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	4,975	39	$1.25	$0.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	306	194	$266.75	$105.10
81002 Urinalysis, manual test	188	136	$5.75	$3.22
36415 Insertion of needle into vein for collection of blood sample	163	110	$7.25	$2.80
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	148	19	$753.00	$210.68
84153 Psa (prostate specific antigen) measurement, total	139	84	$41.25	$19.23
51798 Ultrasound measurement of bladder capacity after voiding	113	87	$49.50	$12.69
52000 Diagnostic exam of bladder and urethra using an endoscope	109	86	$507.50	$184.38
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	108	108	$407.50	$162.56
88305 Pathology examination of tissue using a microscope, intermediate complexity	78	13	$211.75	$70.54
74018 X-ray of abdomen, 1 view	77	52	$65.72	$26.35
87086 Bacterial colony count, urine	57	47	$18.25	$8.05
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	37	18	$97.50	$29.63
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	36	36	$506.50	$203.70
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	35	30	$356.75	$143.57
99213 Established patient office or other outpatient visit, typically 15 minutes	33	30	$181.25	$71.75
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	31	21	$19.50	$9.12
74178 Ct scan of abdomen and pelvis before and after contrast	30	29	$990.00	$338.43
81001 Manual urinalysis test with examination using microscope, automated	30	28	$7.25	$2.20
82565 Blood creatinine level	28	26	$11.50	$5.18
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	23	18	$63.25	$16.53
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	21	18	$51.00	$23.18
51700 Simple bladder irrigation and/or instillation	21	17	$206.75	$71.19
87077 Bacterial culture for aerobic isolates	21	12	$18.25	$8.37
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	19	16	$85.25	$32.73
J1580 Injection, garamycin, gentamicin, up to 80 mg	15	13	$3.25	$1.80
74420 Imaging of urinary tract	15	13	$44.25	$24.53
74176 Ct scan of abdomen and pelvis without contrast	15	12	$568.25	$204.51
76872 Ultrasound scan of pelvic region through rectum	14	14	$237.25	$131.35
55700 Biopsy of prostate gland	14	14	$587.25	$257.08
76770 Complete ultrasound scan behind abdominal cavity	13	11	$345.25	$115.25
81003 Automated urinalysis test	12	12	$5.25	$2.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	3,570	31	$1.25	$0.12
81002 Urinalysis, manual test	290	209	$5.75	$3.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	259	182	$266.58	$105.28
36415 Insertion of needle into vein for collection of blood sample	150	108	$7.24	$2.86
84153 Psa (prostate specific antigen) measurement, total	114	77	$41.22	$21.95
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	111	19	$753.00	$209.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	97	97	$407.42	$159.63
88305 Pathology examination of tissue using a microscope, intermediate complexity	92	16	$211.24	$64.35
51798 Ultrasound measurement of bladder capacity after voiding	87	76	$49.47	$16.00
52000 Diagnostic exam of bladder and urethra using an endoscope	82	65	$500.01	$160.05
74018 X-ray of abdomen, 1 view	56	41	$63.16	$26.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	54	45	$356.00	$138.03
87086 Bacterial colony count, urine	49	37	$18.23	$9.60
81001 Manual urinalysis test with examination using microscope, automated	43	37	$7.24	$3.12
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	40	40	$506.26	$207.27
99213 Established patient office or other outpatient visit, typically 15 minutes	38	35	$181.16	$71.30
51702 Simple insertion of temporary bladder tube	34	20	$177.75	$63.19
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	34	19	$97.50	$30.36
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	33	22	$19.47	$10.46
76770 Complete ultrasound scan behind abdominal cavity	23	22	$342.75	$110.24
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	22	19	$51.00	$20.97
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	22	17	$82.75	$31.09
51700 Simple bladder irrigation and/or instillation	19	16	$205.29	$71.15
87077 Bacterial culture for aerobic isolates	18	13	$18.22	$9.77
74420 Imaging of urinary tract	17	14	$43.76	$16.95
74178 Ct scan of abdomen and pelvis before and after contrast	17	17	$970.16	$352.36
76872 Ultrasound scan of pelvic region through rectum	16	15	$235.95	$91.97
55700 Biopsy of prostate gland	16	15	$559.09	$237.83
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	16	14	$60.94	$20.66
J1580 Injection, garamycin, gentamicin, up to 80 mg	15	13	$3.23	$1.44
82565 Blood creatinine level	15	15	$11.48	$6.20
80053 Blood test, comprehensive group of blood chemicals	14	14	$19.86	$12.07
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	12	12	$14.48	$6.65
80048 Blood test, basic group of blood chemicals (calcium, total)	12	12	$15.54	$8.66
74176 Ct scan of abdomen and pelvis without contrast	11	11	$551.75	$202.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	3,650	28	$1.19	$0.11
81002 Urinalysis, manual test	292	203	$6.04	$3.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	282	187	$252.24	$103.77
36415 Insertion of needle into vein for collection of blood sample	171	116	$7.09	$2.91
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	111	16	$753.00	$204.25
84153 Psa (prostate specific antigen) measurement, total	109	71	$42.68	$24.73
51798 Ultrasound measurement of bladder capacity after voiding	99	86	$45.62	$19.46
74000 X-ray of abdomen, single view	88	51	$56.78	$20.59
52000 Diagnostic exam of bladder and urethra using an endoscope	86	66	$472.49	$163.01
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	81	81	$388.45	$153.90
87086 Bacterial colony count, urine	74	46	$18.77	$10.23
88305 Pathology examination of tissue using a microscope, intermediate complexity	66	11	$194.98	$68.71
81001 Manual urinalysis test with examination using microscope, automated	61	44	$7.50	$3.63
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	60	47	$341.00	$143.31
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	44	44	$485.18	$203.92
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	39	18	$86.79	$31.96
99213 Established patient office or other outpatient visit, typically 15 minutes	28	26	$173.21	$67.32
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	27	24	$15.07	$8.43
74420 Imaging of urinary tract	27	21	$41.31	$16.62
80069 Kidney function blood test panel	27	21	$15.83	$7.94
51700 Simple bladder irrigation and/or instillation	23	23	$192.32	$67.59
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	22	17	$20.02	$10.76
82565 Blood creatinine level	20	18	$12.00	$6.61
76770 Complete ultrasound scan behind abdominal cavity	17	14	$313.65	$114.28
87077 Bacterial culture for aerobic isolates	17	12	$18.78	$9.82
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	16	14	$59.92	$25.56
74176 Ct scan of abdomen and pelvis without contrast	15	15	$547.25	$187.73
80053 Blood test, comprehensive group of blood chemicals	15	12	$19.82	$9.25
76000 Imaging guidance for procedure, 60 minutes or less	15	13	$20.07	$8.20
J1580 Injection, garamycin, gentamicin, up to 80 mg	15	13	$3.25	$1.51
81003 Automated urinalysis test	14	11	$5.27	$3.02
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	14	12	$80.25	$32.27
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	13	13	$49.15	$17.47
74178 Ct scan of abdomen and pelvis before and after contrast	13	13	$942.35	$319.69
76872 Ultrasound scan of pelvic region through rectum	12	12	$221.00	$95.99
55700 Biopsy of prostate gland	11	11	$503.84	$248.21

Medical Specialties & State Licenses

CMS Verified: 2026-06-15

Urology Primary Specialty

NUCC Taxonomy Code: 208800000X

State License WA MD60181812

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

2009870 (WA)

Hospital & Practice Group Affiliations

Optum Care Washington Pllc

3901 Hoyt Ave, Everett, WA 982014918

Phone: 4253395442

Practice Associates & Co-Workers

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

3 Associated Practitioners

Dr. Stephen Mock , MD

Urology

NPI 1144488503

Doctor of Medicine (M.D.)

Dr. Jeong Yoon , MD

Urology

NPI 1851317002

Doctor of Medicine (M.D.)

Sean Rossiter , PA-C

Physician Assistant

NPI 1982789707

Physician Assistant (Certified)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Business Mailing Address June 15, 2026

Registered at 7600 EVERGREEN WAY, EVERETT, WA 982036421 (Tel: 2068605414)

✅

NPI Profile Active December 11, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location December 11, 2012

Registered at 3901 HOYT AVE, EVERETT, WA 982014918 (Tel: 4253395443)

📍

Updated Business Mailing Address December 11, 2012

Registered at PO BOX 5127, EVERETT, WA 982065127 (Tel: 4252583900)

👤

Provider Name / Credentials Updated December 11, 2012

Recorded as CHRISTOPHER HEMPEL, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 11, 2012

Urology (License #MD60181812 in WA)

🟢

Initial NPI Registration & Enumeration March 21, 2007

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: 1629194030

Entity Type:

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

Enumeration Date: March 21, 2007

Last Update: June 15, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

7600 Evergreen Way

Everett, WA 982036421

Phone: 2068605414

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.