Margaret Merriam, DO
NPI 1083867147ActiveIndividual· Surgery· Andrews, TX
Surgery (DO) with Permian Physician Services, practicing in Andrews, Texas. 21 Medicare patients in 2024, $5,812 paid; nearly all of their 91 Part D prescriptions were generic (93%). Lists Permian Regional Medical Center Andrews County Ho as a hospital affiliation.
Overview
| NPI | 1083867147 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Nov 2, 2008 |
| Last updated in NPPES | Nov 11, 2025 |
| Certified by provider | Nov 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | Q1225 | TX |
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 - General Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 34 across 14 procedure codes |
| Paid by Medicare | $5,812 |
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 105 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $1,407 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Permian Physician ServicesAndrews, TX · 10 clinicians
Hospital affiliation
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general surgeons in Andrews
- 1225277833
- 1639251481
- 1174650584