Matthew Cox, PA-C
NPI 1003324674ActiveIndividual· Physician Assistant· Knoxville, TN
Physician Assistant (PA-C) with Summit Medical Group, PLLC, practicing in Knoxville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $43,790 for 994 claims, against $20,280 paid for services in 2024. Pfizer Inc. was the largest of 14 companies reporting payments in 2025, $846.23 in all, mostly food and beverage.
Overview
| NPI | 1003324674 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 17, 2018 |
| Last updated in NPPES | Jan 31, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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) | Enrolled Practitioner - Physician Assistant (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 154 |
|---|---|
| Services billed | 742 across 76 procedure codes |
| Paid by Medicare | $20,280 |
Part D prescriptions in 2024
| Prescriptions (claims) | 994 · 2,078 30-day fills |
|---|---|
| Patients | 195 |
| Total drug cost | $43,790 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Summit Medical Group, PLLCKnoxville, TN · 652 clinicians
Industry payments (Open Payments)
- 2025$846.23 · 60 payments from 14 companies
- 2024$676.57 · 44 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $167.19 | 17 |
| Astrazeneca Pharmaceuticals LP | $145.12 | 9 |
| Amgen Inc. | $139.22 | 12 |
| Novo Nordisk Inc | $119.69 | 8 |
| Xeris Pharmaceuticals, Inc. | $73.74 | 2 |
What the 2025 payments were for
- Food and Beverage$846.23 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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