Active NPI 1851317002 Individual Practitioner Male Practitioner

Dr. Jeong Hoon Yoon , MD

Urology • Everett, WA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Jeong Yoon, MD is a certified Urology practicing in Everett, WA. With approximately 27 years of clinical experience since graduating from Yale University School Of Medicine in 1999, Dr. Yoon delivers high-quality medical care to the local community at 3901 HOYT AVE.

Dr. Yoon 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 low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, established patient outpatient office visit, 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

Yale University School Of Medicine

Graduation Year

1999

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

27 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

67.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Yoon (27 Years) 27 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
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,525	12	$1.25	$0.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	163	134	$349.84	$126.12
36415 Insertion of needle into vein for collection of blood sample	142	103	$18.00	$8.57
84153 Psa (prostate specific antigen) measurement, total	121	81	$41.25	$18.02
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	93	15	$753.00	$178.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	78	78	$465.40	$158.31
52000 Diagnostic exam of bladder and urethra using an endoscope	69	57	$616.25	$241.28
99213 Established patient office or other outpatient visit, typically 15 minutes	45	43	$247.44	$88.26
88342 Special stained specimen slides to examine tissue, initial procedure	30	11	$322.50	$106.42
80048 Blood test, basic group of blood chemicals (calcium, total)	27	24	$18.00	$8.14
88341 Special stained specimen slides to examine tissue	25	11	$284.50	$91.67
87086 Bacterial colony count, urine	25	18	$18.25	$7.91
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	23	19	$14.50	$6.34
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	23	15	$61.75	$13.97
J1580 Injection, garamycin, gentamicin, up to 80 mg	21	19	$6.00	$2.54
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	20	18	$107.09	$30.71
51798 Ultrasound measurement of bladder capacity after voiding	17	14	$46.79	$10.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$316.45	$110.88
76872 Ultrasound scan of pelvic region through rectum	14	14	$473.25	$135.04
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	14	12	$25.00	$6.36
55700 Biopsy of prostate gland	14	14	$718.75	$229.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,900	16	$1.25	$0.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	137	108	$308.61	$127.26
36415 Insertion of needle into vein for collection of blood sample	112	79	$14.21	$8.21
84153 Psa (prostate specific antigen) measurement, total	105	72	$41.25	$18.02
52000 Diagnostic exam of bladder and urethra using an endoscope	71	55	$616.25	$248.58
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	69	14	$753.00	$170.63
88305 Pathology examination of tissue using a microscope, intermediate complexity	67	12	$211.25	$69.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	61	61	$450.28	$164.49
99213 Established patient office or other outpatient visit, typically 15 minutes	48	46	$217.75	$89.23
74018 X-ray of abdomen, 1 view	26	19	$81.02	$30.02
87086 Bacterial colony count, urine	25	19	$18.25	$7.91
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	22	14	$95.35	$34.90
80048 Blood test, basic group of blood chemicals (calcium, total)	16	16	$18.00	$8.29
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	16	16	$14.50	$6.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$296.64	$113.32
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	13	12	$123.85	$34.98
76872 Ultrasound scan of pelvic region through rectum	12	12	$471.52	$136.87
55700 Biopsy of prostate gland	12	12	$718.75	$236.66
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	12	12	$25.00	$6.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	2,525	20	$1.25	$0.10
36415 Insertion of needle into vein for collection of blood sample	129	90	$7.25	$2.93
84153 Psa (prostate specific antigen) measurement, total	121	77	$41.25	$18.06
99213 Established patient office or other outpatient visit, typically 15 minutes	114	98	$212.96	$89.10
88305 Pathology examination of tissue using a microscope, intermediate complexity	96	16	$211.25	$72.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	86	70	$302.27	$125.76
52000 Diagnostic exam of bladder and urethra using an endoscope	83	64	$598.29	$249.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	77	77	$437.16	$165.22
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	60	12	$753.00	$175.53
51702 Simple insertion of temporary bladder tube	60	13	$173.38	$63.89
87086 Bacterial colony count, urine	37	26	$18.25	$7.62
81001 Manual urinalysis test with examination using microscope, automated	28	24	$7.25	$3.03
81002 Urinalysis, manual test	27	24	$7.50	$3.47
74018 X-ray of abdomen, 1 view	23	17	$81.91	$29.19
80048 Blood test, basic group of blood chemicals (calcium, total)	21	20	$18.00	$8.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$288.10	$112.96
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	20	17	$50.00	$21.06
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	20	17	$170.00	$63.19
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	19	14	$19.50	$8.53
51798 Ultrasound measurement of bladder capacity after voiding	18	16	$47.29	$10.81
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	18	18	$14.50	$6.14
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	17	16	$110.68	$32.48
82565 Blood creatinine level	17	14	$11.50	$4.46
51720 Instillation of anti-cancer drug into bladder	17	11	$261.50	$89.56
76872 Ultrasound scan of pelvic region through rectum	16	16	$473.25	$144.95
55700 Biopsy of prostate gland	16	16	$698.00	$248.48
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	16	11	$92.83	$34.08
87077 Bacterial culture for aerobic isolates	15	13	$18.25	$7.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	2,825	26	$1.25	$0.12
J9030 Bcg live intravesical instillation, 1 mg	1,450	12	$6.00	$2.85
36415 Insertion of needle into vein for collection of blood sample	143	97	$7.25	$2.92
84153 Psa (prostate specific antigen) measurement, total	131	80	$41.25	$18.11
99213 Established patient office or other outpatient visit, typically 15 minutes	128	114	$195.75	$90.13
88305 Pathology examination of tissue using a microscope, intermediate complexity	117	21	$205.00	$72.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	102	83	$282.75	$126.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	94	94	$430.00	$168.70
52000 Diagnostic exam of bladder and urethra using an endoscope	85	69	$580.17	$242.11
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	61	14	$753.00	$183.88
81002 Urinalysis, manual test	61	54	$7.50	$3.44
51702 Simple insertion of temporary bladder tube	49	14	$184.19	$65.93
51720 Instillation of anti-cancer drug into bladder	38	14	$282.20	$91.74
87086 Bacterial colony count, urine	35	25	$18.25	$8.07
82565 Blood creatinine level	26	23	$11.50	$5.12
74018 X-ray of abdomen, 1 view	25	21	$80.00	$30.73
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	24	19	$86.75	$31.40
51798 Ultrasound measurement of bladder capacity after voiding	21	18	$49.98	$10.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$282.25	$113.88
76872 Ultrasound scan of pelvic region through rectum	20	19	$396.75	$144.95
55700 Biopsy of prostate gland	19	19	$677.75	$258.34
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	18	17	$14.50	$6.00
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	18	14	$19.50	$8.65
J1580 Injection, garamycin, gentamicin, up to 80 mg	17	15	$3.75	$1.87
81001 Manual urinalysis test with examination using microscope, automated	17	13	$7.25	$3.17
80048 Blood test, basic group of blood chemicals (calcium, total)	17	15	$18.00	$7.75
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	16	14	$101.50	$33.61
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	15	14	$170.00	$60.00
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	15	14	$50.00	$20.00
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	14	14	$66.25	$14.45
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	12	11	$26.25	$6.49
A9503 Technetium tc-99m medronate, diagnostic, per study dose, up to 30 millicuries	11	11	$31.25	$14.95
78306 Nuclear medicine study of bone and/or joint whole body	11	11	$850.75	$312.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,668	15	$1.25	$0.11
36415 Insertion of needle into vein for collection of blood sample	156	109	$7.25	$2.94
84153 Psa (prostate specific antigen) measurement, total	143	91	$41.25	$17.79
99213 Established patient office or other outpatient visit, typically 15 minutes	128	116	$187.00	$76.16
81002 Urinalysis, manual test	83	69	$5.75	$3.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	71	$276.00	$106.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	72	72	$421.25	$163.43
52000 Diagnostic exam of bladder and urethra using an endoscope	71	59	$510.25	$216.78
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	70	12	$753.00	$221.00
51702 Simple insertion of temporary bladder tube	44	15	$181.25	$63.35
74018 X-ray of abdomen, 1 view	33	19	$68.36	$29.02
87086 Bacterial colony count, urine	31	23	$18.25	$8.01
51798 Ultrasound measurement of bladder capacity after voiding	29	27	$49.53	$10.60
80048 Blood test, basic group of blood chemicals (calcium, total)	28	26	$17.75	$8.41
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	25	22	$14.50	$6.42
81001 Manual urinalysis test with examination using microscope, automated	20	17	$7.25	$3.14
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	19	11	$55.75	$23.75
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	19	12	$99.50	$32.55
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	17	11	$19.50	$8.59
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	14	13	$205.50	$100.00
51700 Simple bladder irrigation and/or instillation	14	11	$209.50	$69.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	2,725	24	$1.25	$0.11
36415 Insertion of needle into vein for collection of blood sample	230	145	$7.25	$2.80
84153 Psa (prostate specific antigen) measurement, total	196	108	$41.25	$18.74
99213 Established patient office or other outpatient visit, typically 15 minutes	176	154	$181.25	$73.90
81002 Urinalysis, manual test	167	117	$5.75	$3.38
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	155	155	$407.50	$161.36
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	116	20	$753.00	$224.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	114	90	$266.75	$104.99
52000 Diagnostic exam of bladder and urethra using an endoscope	93	78	$507.42	$192.49
88305 Pathology examination of tissue using a microscope, intermediate complexity	67	12	$211.75	$70.54
51702 Simple insertion of temporary bladder tube	67	21	$177.75	$63.66
51798 Ultrasound measurement of bladder capacity after voiding	47	37	$49.50	$12.94
74018 X-ray of abdomen, 1 view	43	26	$65.84	$27.48
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	36	21	$97.50	$31.54
87086 Bacterial colony count, urine	35	25	$18.25	$8.79
80048 Blood test, basic group of blood chemicals (calcium, total)	32	31	$17.75	$8.97
51700 Simple bladder irrigation and/or instillation	31	23	$206.75	$73.63
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	30	28	$14.50	$6.86
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	30	27	$24.25	$8.48
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	22	16	$19.50	$9.42
81001 Manual urinalysis test with examination using microscope, automated	19	16	$7.25	$3.45
82565 Blood creatinine level	15	15	$11.50	$5.58
76770 Complete ultrasound scan behind abdominal cavity	14	14	$345.25	$115.24
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	13	12	$85.25	$32.73
55700 Biopsy of prostate gland	11	11	$587.25	$257.06
76872 Ultrasound scan of pelvic region through rectum	11	11	$237.25	$131.35
74178 Ct scan of abdomen and pelvis before and after contrast	11	11	$990.00	$368.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	2,675	23	$1.25	$0.12
81002 Urinalysis, manual test	280	223	$5.75	$3.28
36415 Insertion of needle into vein for collection of blood sample	197	131	$7.24	$2.81
84153 Psa (prostate specific antigen) measurement, total	171	102	$41.21	$21.30
99213 Established patient office or other outpatient visit, typically 15 minutes	146	133	$181.18	$72.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	145	145	$407.18	$160.02
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	100	78	$266.60	$103.48
52000 Diagnostic exam of bladder and urethra using an endoscope	99	80	$499.76	$164.63
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	91	16	$753.00	$213.12
88305 Pathology examination of tissue using a microscope, intermediate complexity	66	11	$210.77	$69.48
87086 Bacterial colony count, urine	65	40	$18.24	$9.48
51702 Simple insertion of temporary bladder tube	55	20	$177.62	$65.19
51798 Ultrasound measurement of bladder capacity after voiding	52	50	$49.00	$15.95
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	47	25	$19.49	$10.27
74018 X-ray of abdomen, 1 view	37	29	$62.99	$25.22
87077 Bacterial culture for aerobic isolates	28	16	$18.25	$9.77
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	28	14	$97.44	$31.05
81001 Manual urinalysis test with examination using microscope, automated	28	24	$7.24	$3.62
80048 Blood test, basic group of blood chemicals (calcium, total)	25	21	$15.63	$10.23
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	24	20	$23.53	$8.12
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	22	18	$14.49	$7.82
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	18	13	$82.75	$30.79
51700 Simple bladder irrigation and/or instillation	18	14	$205.50	$68.84
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$355.73	$145.62
82565 Blood creatinine level	12	12	$11.48	$6.20
78306 Nuclear medicine study of bone and/or joint whole body	12	12	$658.19	$318.15
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	12	11	$60.83	$20.67
A9503 Technetium tc-99m medronate, diagnostic, per study dose, up to 30 millicuries	12	12	$44.25	$14.58
76872 Ultrasound scan of pelvic region through rectum	11	11	$234.91	$89.18
55700 Biopsy of prostate gland	11	11	$557.84	$230.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	2,050	17	$1.22	$0.12
81002 Urinalysis, manual test	322	230	$6.04	$3.33
36415 Insertion of needle into vein for collection of blood sample	199	130	$7.08	$2.76
99213 Established patient office or other outpatient visit, typically 15 minutes	179	143	$171.46	$72.06
84153 Psa (prostate specific antigen) measurement, total	163	91	$42.66	$22.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	115	115	$390.27	$158.99
52000 Diagnostic exam of bladder and urethra using an endoscope	95	73	$472.86	$161.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	66	$253.83	$104.89
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	75	13	$753.00	$197.58
51798 Ultrasound measurement of bladder capacity after voiding	59	49	$45.83	$19.47
87086 Bacterial colony count, urine	46	23	$18.79	$10.85
74000 X-ray of abdomen, single view	44	28	$57.48	$22.86
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	37	28	$15.09	$8.69
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	32	26	$23.72	$8.21
80069 Kidney function blood test panel	30	25	$15.82	$8.29
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	29	14	$86.54	$30.78
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	26	15	$20.04	$11.62
51700 Simple bladder irrigation and/or instillation	20	17	$194.03	$73.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$252.20	$106.86
81001 Manual urinalysis test with examination using microscope, automated	19	14	$7.50	$4.08
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	17	17	$563.29	$243.85
52332 Insertion of stent in urinary duct (ureter) using an endoscope	16	12	$633.59	$135.32
74176 Ct scan of abdomen and pelvis without contrast	14	11	$532.52	$195.13
80048 Blood test, basic group of blood chemicals (calcium, total)	14	11	$15.46	$8.58
52356 Crushing of stone of ureter with insertion of stent using an endoscope	13	12	$1011.43	$433.01

Medical Specialties & State Licenses

CMS Verified: 2026-06-16

Urology Primary Specialty

NUCC Taxonomy Code: 208800000X

State License WA 00043149

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

8296931 (WA)

Commercial Insurance / Payer ID Medicare Id-Pin

I10719G (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. Christopher Hempel , MD

Urology

NPI 1629194030

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 16, 2026

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

✅

NPI Profile Active March 15, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location March 15, 2013

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

📍

Updated Business Mailing Address March 15, 2013

Registered at PO BOX 5127, EVERETT, WA 982065127 (Tel: 4252583903)

👤

Provider Name / Credentials Updated March 15, 2013

Recorded as JEONG YOON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 15, 2013

Urology (License #00043149 in WA)

🟢

Initial NPI Registration & Enumeration July 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1851317002

Entity Type:

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

Enumeration Date: July 14, 2006

Last Update: June 16, 2026

Sole Proprietor: Yes

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.