Mathew Theron Southwick, P.A.-C.
NPI 1346798204ActiveIndividual· Physician Assistant· Farmington, NM
Physician Assistant (P.A.-C.) with San Juan Regional Medical Center, Inc. and 1 other group, practicing in Farmington, New Mexico. 167 Medicare patients in 2024, $24,413 paid; nearly all of their 371 Part D prescriptions were generic (99%). Zimmer Biomet Holdings, Inc. reported $66.72 in payments in 2025, mostly food and beverage. Lists San Juan Regional Medical Center Inc as a hospital affiliation.
Overview
| NPI | 1346798204 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A.-C. |
| Sole proprietor | No |
| NPI issued | Sep 20, 2016 |
| Last updated in NPPES | May 19, 2026 |
| Certified by provider | May 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
| Physician Assistant, Surgical | 363AS0400X | — | — |
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 - Physician Assistant (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 167 |
|---|---|
| Services billed | 216 across 39 procedure codes |
| Paid by Medicare | $24,413 |
Part D prescriptions in 2024
| Prescriptions (claims) | 371 · 388 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $4,232 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- San Juan Regional Medical Center, Inc.Farmington, NM · 241 clinicians
- Orthopedic Associates PAFarmington, NM · 18 clinicians
Hospital affiliation
- San Juan Regional Medical Center IncFarmington, NM
Industry payments (Open Payments)
- 2025$66.72 · 1 payment from 1 company
- 2024$78.59 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $66.72 | 1 |
What the 2025 payments were for
- Food and Beverage$66.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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