Michael Wallin Carringer, M.D.
NPI 1306039649ActiveIndividual· Hospitalist· Knoxville, TN
Hospitalist (M.D.) in Knoxville, Tennessee, licensed in TN, with an NPI issued in August 2007. 103 Medicare patients in 2024, $22,582 paid; nearly all of their 100 Part D prescriptions were generic (91%). E.R. Squibb & Sons, L.L.C. was the largest of 3 companies reporting payments in 2025, $94.04 in all, mostly food and beverage.
Overview
| NPI | 1306039649 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 21, 2007 |
| Last updated in NPPES | Sep 30, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 46463 | TN |
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 - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 280 across 8 procedure codes |
| Paid by Medicare | $22,582 |
Part D prescriptions in 2024
| Prescriptions (claims) | 100 · 115 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $5,204 |
| Generic share | 91% of claims |
Industry payments (Open Payments)
- 2025$94.04 · 5 payments from 3 companies
- 2024$65.23 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $63.32 | 3 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $16.65 | 1 |
| Abbvie Inc. | $14.07 | 1 |
What the 2025 payments were for
- Food and Beverage$94.04 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hospitalists in Knoxville
- 1023303203
- 1033747373
- 1043491715
- 1083707020
- 1104139393
- 1104289057
- 1124481064
- 1144727579
- 1184112500
- 1194285122
- 1194958942
- 1205101680
All 77 hospitalists in Knoxville · All hospitalists in Tennessee