Terry Spark Corwin, MD
Urology Physician · Everett, WA
Terry Spark Corwin, MD is a urology physician with a practice address in Everett, Washington, and NPI 1912954744, issued on May 27, 2006. Check the license (Washington MD00040591, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Terry Spark Corwin
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- MD00040591 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4310 Colby Ave, Everett, WA 98203
- Phone
- (425) 252-8102
- Enumerated
- May 27, 2006
- Record last updated
- Aug 7, 2024
- Fax
- (425) 339-0835
- Medicaid ID
- 8311342 WA
- Medicare enrollment
- Enrolled (PECOS I20100826000848); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1996
- Entity
- Type 1 · individual
8 nearest urology physician records → All 335 in Washington → Look up another NPI →
Also registered at 4310 Colby Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Willow Radford, LMPMassage Therapist1457416471
- Kristin Schaaf, PH.D.Clinical Psychologist1063428464
- Gary Stack, MDUrology Physician1487694535
Verify Terry Spark Corwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00040591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average urology physician in 2024
1,063 Medicare Part D claims for 272 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Tamsulosin Hcl256 claims
- Myrbetriq200 claims
- Finasteride110 claims
- Methenamine Hippurate81 claims
- Oxybutynin Chloride Er48 claims
- Estradiol36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $110.41
2 payments; by number, the most common kind was food and beverage; the largest payer was Myriad Genetic Laboratories, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Health And Services- WashingtonEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Terry Spark Corwin among 335 urology physician records in Washington
Terry Spark Corwin, MD is one of 335 urology physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1996 · median 2005 among the 224 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Washington
There are 335 urology physician records in Washington.
All 335 in Washington → Every provider in Everett → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Earl Bardin, MDEverett, WA 982031871515619
- Brian Fong, MDEverett, WA 982031407888910
- Rakesh Khanna, M.D.Everett, WA 982031326278458
- Gary Stack, MDEverett, WA 982031487694535
- Christopher Hempel, MDEverett, WA 982011629194030
- Stephen Mock, M.D.Everett, WA 982011144488503
- Raymond Whalen, MDEverett, WA 982011851463921
- Jeong Yoon, MDEverett, WA 982011851317002
Common questions
What is Terry Spark Corwin, MD's NPI number?
Terry Spark Corwin, MD's National Provider Identifier (NPI) is 1912954744, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terry Spark Corwin, MD located?
The NPPES record lists a practice address at 4310 Colby Ave, Everett, WA, 98203. Phone: (425) 252-8102. Providers update this record themselves, so call before visiting.
How can I verify Terry Spark Corwin, MD's license?
NPPES lists Washington license number MD00040591, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Terry Spark Corwin, MD prescribe under Medicare Part D?
In 2024, Terry Spark Corwin, MD had 1,063 Medicare Part D claims for 272 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Terry Spark Corwin, MD's MIPS final score?
The 2023 MIPS final score is 74.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.