Active NPI 1912954744 Individual Practitioner Male Practitioner

Dr. Terry Spark Corwin , MD

Urology • Everett, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Terry Corwin, MD is a certified Urology practicing in Everett, WA. With approximately 30 years of clinical experience since graduating from University Of Texas Southwestern Medical School At Dallas in 1996, Dr. Corwin delivers high-quality medical care to the local community at 4310 COLBY AVE.

Dr. Corwin is affiliated with Providence Health And Services- Washington and accepts Medicare assignment.

Frequently performed procedures and clinical services include bcg live intravesical instillation, 1 mg, established patient outpatient office visit, ultrasound measurement of bladder capacity after voiding. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4310 Colby Ave
Suite 203

Everett, WA 982032338

Telephone 4252528102

Fax 4253390835

Associated Practice Facility / Clinic

🏢 Western Washington Medical Group, Inc Ps Facility NPI 1538387931

Medicare Profile & Education

Medical School

University Of Texas Southwestern Medical School At Dallas

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Urology in Everett, WA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

30 Yrs +5.5 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

In-Person Office Visits Only

Medicare Pricing Discount

75.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Corwin (30 Years) 30 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
J9030 Bcg live intravesical instillation, 1 mg	1,710	15	$10.00	$2.84
99213 Established patient office or other outpatient visit, typically 15 minutes	122	111	$242.00	$86.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	86	77	$359.00	$121.18
51798 Ultrasound measurement of bladder capacity after voiding	60	52	$83.00	$10.41
51720 Instillation of anti-cancer drug into bladder	46	15	$488.00	$83.54
81002 Urinalysis, manual test	45	26	$19.00	$3.41
52000 Diagnostic exam of bladder and urethra using an endoscope	33	29	$873.00	$224.99
51705 Removal of skin suture with change of bladder tube	31	12	$467.00	$91.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	26	$146.00	$53.76
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	17	$135.00	$47.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$556.00	$159.52
51741 Electronic assessment of bladder emptying	19	17	$355.00	$13.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$362.00	$106.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J9030 Bcg live intravesical instillation, 1 mg	2,805	15	$10.00	$2.86
99213 Established patient office or other outpatient visit, typically 15 minutes	194	168	$232.00	$85.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	181	153	$344.00	$120.50
51798 Ultrasound measurement of bladder capacity after voiding	116	99	$80.00	$10.10
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	111	17	$2030.00	$162.71
51705 Removal of skin suture with change of bladder tube	88	19	$448.00	$92.79
81002 Urinalysis, manual test	83	39	$18.00	$3.41
52000 Diagnostic exam of bladder and urethra using an endoscope	77	65	$837.00	$228.08
51702 Simple insertion of temporary bladder tube	61	18	$309.00	$58.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	60	60	$533.00	$159.75
51720 Instillation of anti-cancer drug into bladder	58	15	$468.00	$83.77
51741 Electronic assessment of bladder emptying	47	39	$340.00	$12.27
99231 Follow-up hospital inpatient care per day, typically 15 minutes	31	25	$129.00	$47.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	29	$140.00	$53.37
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$347.00	$107.19
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	21	$464.00	$171.83
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	21	17	$143.00	$32.26
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	13	13	$3303.00	$693.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	179	139	$232.00	$86.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	114	96	$344.00	$122.62
51798 Ultrasound measurement of bladder capacity after voiding	86	75	$80.00	$9.97
81002 Urinalysis, manual test	78	36	$18.00	$3.43
52000 Diagnostic exam of bladder and urethra using an endoscope	75	63	$750.00	$237.31
51705 Removal of skin suture with change of bladder tube	69	19	$401.00	$94.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$533.00	$156.16
51702 Simple insertion of temporary bladder tube	60	17	$276.00	$60.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$347.00	$108.18
51741 Electronic assessment of bladder emptying	35	30	$304.00	$11.24
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	28	26	$464.00	$174.73
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	26	26	$3303.00	$688.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	21	$140.00	$53.57
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	19	11	$128.00	$32.04
52356 Crushing of stone of ureter with insertion of stent using an endoscope	17	17	$1641.82	$415.91
52000 Diagnostic exam of bladder and urethra using an endoscope	13	12	$750.00	$78.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	122	98	$232.00	$89.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	94	77	$344.00	$126.90
51798 Ultrasound measurement of bladder capacity after voiding	91	73	$80.00	$9.98
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	84	84	$543.86	$165.20
52000 Diagnostic exam of bladder and urethra using an endoscope	76	66	$750.00	$231.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	61	61	$347.00	$110.39
81002 Urinalysis, manual test	38	21	$18.00	$3.39
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	35	$140.00	$55.42
51702 Simple insertion of temporary bladder tube	35	11	$276.00	$63.21
51741 Electronic assessment of bladder emptying	33	31	$304.00	$10.60
99231 Follow-up hospital inpatient care per day, typically 15 minutes	29	17	$129.00	$38.22
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	26	$464.00	$169.34
99213 Established patient office or other outpatient visit, typically 15 minutes	20	20	$232.00	$68.81
99442 Telephone medical discussion with physician, 11-20 minutes	20	20	$120.00	$72.02
52356 Crushing of stone of ureter with insertion of stent using an endoscope	20	20	$1469.00	$450.36
52000 Diagnostic exam of bladder and urethra using an endoscope	19	19	$750.00	$81.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$344.00	$101.52
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	14	14	$3303.00	$718.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$464.00	$139.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	103	69	$232.00	$74.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$533.00	$162.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	56	56	$347.00	$104.20
52000 Diagnostic exam of bladder and urethra using an endoscope	49	43	$750.00	$208.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	38	$344.00	$107.58
51798 Ultrasound measurement of bladder capacity after voiding	48	42	$80.00	$9.92
99213 Established patient office or other outpatient visit, typically 15 minutes	40	40	$232.00	$52.57
52000 Diagnostic exam of bladder and urethra using an endoscope	34	34	$750.00	$84.07
99442 Telephone medical discussion with physician, 11-20 minutes	32	32	$120.00	$52.42
81002 Urinalysis, manual test	20	20	$18.00	$3.47
51741 Electronic assessment of bladder emptying	19	19	$304.00	$11.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$344.00	$81.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0585 Injection, onabotulinumtoxina, 1 unit	4,000	26	$10.00	$6.03
99213 Established patient office or other outpatient visit, typically 15 minutes	507	330	$182.00	$74.72
52000 Diagnostic exam of bladder and urethra using an endoscope	150	127	$469.00	$193.69
81003 Automated urinalysis test	144	113	$8.00	$2.43
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	138	16	$349.00	$224.87
51798 Ultrasound measurement of bladder capacity after voiding	89	77	$31.00	$12.87
51741 Electronic assessment of bladder emptying	63	44	$17.10	$3.40
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies	63	44	$461.79	$185.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	36	$110.00	$45.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	31	$266.00	$110.38
52287 Exam with injections of chemical for destruction of bladder using an endoscope	32	26	$840.00	$348.32
51702 Simple insertion of temporary bladder tube	28	11	$153.00	$63.64
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	27	16	$76.00	$31.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$403.00	$166.62
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	22	16	$41.00	$16.99
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$265.00	$109.86
52356 Crushing of stone of ureter with insertion of stent using an endoscope	14	14	$1048.00	$431.64
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	12	12	$1835.00	$756.20
J1580 Injection, garamycin, gentamicin, up to 80 mg	11	11	$3.00	$1.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0585 Injection, onabotulinumtoxina, 1 unit	4,470	24	$10.00	$6.04
99213 Established patient office or other outpatient visit, typically 15 minutes	372	257	$165.20	$70.60
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	145	18	$657.06	$214.34
51798 Ultrasound measurement of bladder capacity after voiding	95	80	$42.37	$15.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	95	84	$243.01	$104.10
52000 Diagnostic exam of bladder and urethra using an endoscope	91	76	$449.96	$162.23
87086 Bacterial colony count, urine	64	49	$17.00	$9.61
81002 Urinalysis, manual test	63	48	$16.00	$3.41
51702 Simple insertion of temporary bladder tube	60	14	$185.83	$63.30
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	55	29	$53.67	$20.06
81003 Automated urinalysis test	50	45	$8.00	$2.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	48	48	$372.35	$155.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$246.79	$104.97
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	36	$98.84	$42.83
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	35	25	$17.00	$10.46
87077 Bacterial culture for aerobic isolates	34	26	$20.00	$9.77
87088 Bacterial urine culture	34	26	$15.00	$9.79
52287 Exam with injections of chemical for destruction of bladder using an endoscope	32	24	$1250.63	$309.33
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies	28	24	$560.00	$229.48
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	28	17	$82.32	$30.11
51741 Electronic assessment of bladder emptying	28	24	$95.79	$5.77
J1580 Injection, garamycin, gentamicin, up to 80 mg	21	18	$18.43	$1.45
52332 Insertion of stent in urinary duct (ureter) using an endoscope	14	12	$913.29	$148.95
52356 Crushing of stone of ureter with insertion of stent using an endoscope	12	12	$1018.50	$430.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0585 Injection, onabotulinumtoxina, 1 unit	3,300	24	$10.00	$5.88
99213 Established patient office or other outpatient visit, typically 15 minutes	360	251	$162.00	$70.05
81002 Urinalysis, manual test	152	88	$16.00	$3.43
87086 Bacterial colony count, urine	127	70	$17.00	$10.85
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	103	12	$600.00	$207.75
52000 Diagnostic exam of bladder and urethra using an endoscope	94	78	$478.00	$159.96
51798 Ultrasound measurement of bladder capacity after voiding	81	62	$47.00	$18.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	70	$240.00	$103.53
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	79	39	$17.00	$11.62
87077 Bacterial culture for aerobic isolates	72	39	$20.00	$10.86
87088 Bacterial urine culture	67	35	$15.00	$8.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$371.00	$155.25
51720 Instillation of anti-cancer drug into bladder	59	12	$302.00	$85.74
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	58	30	$56.00	$24.83
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	55	55	$243.00	$102.46
51702 Simple insertion of temporary bladder tube	41	11	$206.00	$61.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	40	39	$98.00	$42.11
52287 Exam with injections of chemical for destruction of bladder using an endoscope	31	24	$1600.00	$302.73
J1580 Injection, garamycin, gentamicin, up to 80 mg	27	21	$25.00	$1.51
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	26	14	$89.00	$31.63
74000 X-ray of abdomen, single view	19	13	$32.47	$14.58
52332 Insertion of stent in urinary duct (ureter) using an endoscope	18	15	$1302.22	$129.31
76872 Ultrasound scan of pelvic region through rectum	17	17	$321.00	$93.06
52356 Crushing of stone of ureter with insertion of stent using an endoscope	15	15	$930.00	$404.66
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	13	13	$476.00	$58.60
74176 Ct scan of abdomen and pelvis without contrast	13	12	$339.00	$110.72
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	12	12	$605.00	$236.61
55700 Biopsy of prostate gland	11	11	$517.00	$241.04

Medical Specialties & State Licenses

CMS Verified: 2024-08-07

Urology Primary Specialty

NUCC Taxonomy Code: 208800000X

State License WA MD00040591

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

8311342 (WA)

Commercial Insurance / Payer ID Labor And Industry

0160332 (WA)

Commercial Insurance / Payer ID Railroad Medicare

340020074 (WA)

Commercial Insurance / Payer ID State License Number

MD00040591 (WA)

Hospital & Practice Group Affiliations

Providence Health And Services- Washington

1321 Colby Ave, Everett, WA 982011665

Phone: 4252975234

Providence Health And Services- Washington

4310 Colby Ave, Everett, WA 982032338

Phone: 4252528102

Providence Health And Services- Washington

4112 Harbour Pointe Blvd Sw, Mukilteo, WA 982755457

Phone: 4253476330

Providence Health And Services- Washington

1321 Colby Ave, Everett, WA 982011665

Phone: 4252612000

Secondary Practice Locations

8614 E Mill Plain Blvd Ste 201

Vancouver, WA 986642058

Phone: 3607298580

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Rakesh Khanna , MD

Urology

NPI 1326278458

Doctor of Medicine (M.D.)

Dr. Brian Fong , MD

Urology

NPI 1407888910

Doctor of Medicine (M.D.)

Dr. Gary Stack , MD

Urology

NPI 1487694535

Doctor of Medicine (M.D.)

Heather West , PA-C

Physician Assistant

NPI 1972326809

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 September 12, 2018

Registered at PO BOX 3360, PORTLAND, OR 972083360 (Tel: 8667472455)

✅

NPI Profile Active May 31, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location May 31, 2012

Registered at 4310 COLBY AVE, SUITE 203, EVERETT, WA 982032338 (Tel: 4252528102)

📍

Updated Business Mailing Address May 31, 2012

Registered at 4310 COLBY AVE, SUITE 203, EVERETT, WA 982032338 (Tel: 4252528102)

👤

Provider Name / Credentials Updated May 31, 2012

Recorded as TERRY CORWIN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 31, 2012

Urology (License #MD00040591 in WA)

🟢

Initial NPI Registration & Enumeration May 27, 2006

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: 1912954744

Entity Type:

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

Enumeration Date: May 27, 2006

Last Update: August 07, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 3360

Portland, OR 972083360

Phone: 8667472455

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.