Michael W. Carnahan, MD
NPI 1871607903ActiveIndividual· Family Medicine· Ardmore, OK
Family Medicine (MD) in Ardmore, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $991,900 for 9,065 claims, against $103,483 paid for services in 2024. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $263.79 in all, mostly food and beverage.
Overview
| NPI | 1871607903 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 18, 2006 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 16887 | OK |
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 - Family Practice (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 865 |
|---|---|
| Services billed | 4,511 across 53 procedure codes |
| Paid by Medicare | $103,483 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,065 · 18,704 30-day fills |
|---|---|
| Patients | 604 |
| Total drug cost | $991,900 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Family Practice |
Medical groups
- Good Shepherd Community Clinic, Inc.Ardmore, OK · 19 clinicians
- Family Practice AssociatesArdmore, OK · 2 clinicians
Hospital affiliations
- Arbuckle Memorial Hospital AuthoritySulphur, OK
- Mercy Hospital Ardmore, IncArdmore, OK
- O U Medical CenterOklahoma City, OK
Other facilities
- Ideal Home Care, L.P.Home health agency · Ardmore, OK
- Mays Housecall Home Health of DurantHome health agency · Durant, OK
Industry payments (Open Payments)
- 2025$263.79 · 12 payments from 7 companies
- 2024$197.58 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $87.30 | 4 |
| Novo Nordisk Inc | $66.49 | 3 |
| Boston Scientific Corporation | $44.46 | 1 |
| Tactile Systems Technology Inc | $20.66 | 1 |
| Astrazeneca Pharmaceuticals LP | $16.33 | 1 |
What the 2025 payments were for
- Food and Beverage$263.79 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Ardmore
- 1407863053
- 1376641712
- 1346618980
- 1568576619
- 1457378184
- 1629796974
- 1407237704
- 1619421377
- 1093291601
- 1184933467
- 1083474522
- 1891506960