Terry Spark Corwin, MD
NPI 1912954744ActiveIndividual· Urology· Everett, WA
Urology (MD) in Everett, Washington, trained at University of Texas Southwestern Medical School at Dallas (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $159,250 for 1,063 claims, against $59,280 paid for services in 2024. Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $198.36 in all, mostly food and beverage.
Overview
| NPI | 1912954744 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 27, 2006 |
| Last updated in NPPES | Aug 7, 2024 |
| Certified by provider | Aug 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | MD00040591 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (TX); Practitioner - Urology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 317 |
|---|---|
| Services billed | 4,712 across 53 procedure codes |
| Paid by Medicare | $59,280 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,063 · 2,011 30-day fills |
|---|---|
| Patients | 272 |
| Total drug cost | $159,250 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Urology |
Medical group
- Providence Health and Services- WashingtonEverett, WA · 529 clinicians
Hospital affiliation
- Providence Regional Medical Center EverettEverett, WA
Industry payments (Open Payments)
- 2025$198.36 · 3 payments from 3 companies
- 2024$110.41 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $95.81 | 1 |
| Janssen Scientific Affairs, LLC | $76.93 | 1 |
| Ambu Inc. | $25.62 | 1 |
What the 2025 payments were for
- Food and Beverage$198.36 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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