Marc Stephen Mayes, PA
NPI 1518028356ActiveIndividual· Physician Assistant· Chattanooga, TN
Physician Assistant (PA) with Chattanooga Spine and Rehabilitation PLLC, practicing in Chattanooga, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $93,515 for 1,285 claims, against $15,744 paid for services in 2024. Ipsen Biopharmaceuticals, Inc was the largest of 10 companies reporting payments in 2025, $491.12 in all, mostly food and beverage. Lists Erlanger Medical Center as a hospital affiliation.
Overview
| NPI | 1518028356 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Dec 13, 2006 |
| Last updated in NPPES | Jul 27, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1417 | TN |
| Physician Assistant | 363A00000X | 005097 | GA |
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 - Physician Assistant (TN); Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 290 across 8 procedure codes |
| Paid by Medicare | $15,744 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,285 · 1,450 30-day fills |
|---|---|
| Patients | 268 |
| Total drug cost | $93,515 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Chattanooga Spine and Rehabilitation PLLCChattanooga, TN · 15 clinicians
Hospital affiliation
- Erlanger Medical CenterChattanooga, TN
Industry payments (Open Payments)
- 2025$491.12 · 23 payments from 10 companies
- 2024$536.25 · 30 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ipsen Biopharmaceuticals, Inc | $153.52 | 7 |
| Radius Health, Inc. | $143.83 | 5 |
| Pfizer Inc. | $55.44 | 3 |
| Amgen Inc. | $31.56 | 2 |
| Merz Pharmaceuticals, LLC | $20.94 | 1 |
What the 2025 payments were for
- Food and Beverage$491.12 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 150 physician assistants in Chattanooga · All physician assistants in Tennessee