Mark A. Tomas, DO, MPH
NPI 1942539986ActiveIndividual· Internal Medicine· Gig Harbor, WA
Internal Medicine (DO, MPH) in Gig Harbor, Washington, licensed in WA and TX, with an NPI issued in December 2009. In 2024 Medicare paid $44,687 for 236 patients, and Part D covered 118 of their prescriptions, 83% of them generic.
Overview
| NPI | 1942539986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO, MPH |
| Sole proprietor | No |
| NPI issued | Dec 22, 2009 |
| Last updated in NPPES | May 29, 2026 |
| Certified by provider | May 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OP61387438 | WA |
| Internal Medicine | 207R00000X | P2090 | TX |
| Hospitalist | 208M00000X | OP61387438 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 236 |
|---|---|
| Services billed | 633 across 9 procedure codes |
| Paid by Medicare | $44,687 |
Part D prescriptions in 2024
| Prescriptions (claims) | 118 · 131 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $9,674 |
| Generic share | 83% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 internal medicine physicians in Gig Harbor · All internal medicine physicians in Washington