Matthew James Grierson, MD
NPI 1053549618ActiveIndividual· Physical Medicine & Rehabilitation, Sports Medicine· Seattle, WA
Opted out of Medicare from April 2017 to April 2027. Physical Medicine & Rehabilitation, Sports Medicine (MD) in Seattle, Washington, licensed in WA, with an NPI issued in June 2009. Depuy Synthes Sales Inc. reported $22.06 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1053549618 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 22, 2009 |
| Last updated in NPPES | Feb 28, 2023 |
| Certified by provider | Feb 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physical Medicine & Rehabilitation, Sports Medicine Primary | 2081S0010X | MD60234865 | WA |
| Physical Medicine & Rehabilitation | 208100000X | MD60234865 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Apr 1, 2017 – Apr 1, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Industry payments (Open Payments)
- 2025$22.06 · 1 payment from 1 company
- 2024$45.06 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Depuy Synthes Sales Inc. | $22.06 | 1 |
What the 2025 payments were for
- Food and Beverage$22.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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