Mary Kathryn Thayer, M.D.
NPI 1134549272ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Bellevue, WA
Orthopaedic Surgery, Hand Surgery (M.D.) with Proliance Surgeons Inc P S, practicing in Bellevue, Washington. Mostly services rather than prescriptions: Medicare paid $88,241 for 289 patients in 2024, with only 37 Part D claims. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $52.19 in all, mostly food and beverage. Lists Overlake Hospital Medical Center & Clinics and 1 other hospital as hospital affiliations.
Overview
| NPI | 1134549272 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 16, 2014 |
| Last updated in NPPES | May 13, 2024 |
| Certified by provider | May 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | MD60773007 | WA |
| Orthopaedic Surgery | 207X00000X | MD60773007 | 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 - Orthopedic Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 289 |
|---|---|
| Services billed | 929 across 66 procedure codes |
| Paid by Medicare | $88,241 |
Part D prescriptions in 2024
| Prescriptions (claims) | 37 · 37 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $13,537 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | Hand Surgery |
| Telehealth | Offers telehealth |
Medical group
- Proliance Surgeons Inc P SEverett, WA · 397 clinicians
Hospital affiliations
- Overlake Hospital Medical Center & ClinicsBellevue, WA
- Swedish IssaquahIssaquah, WA
Industry payments (Open Payments)
- 2025$52.19 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $33.84 | 1 |
| Bioventus LLC | $18.35 | 1 |
What the 2025 payments were for
- Food and Beverage$52.19 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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