Kelvin Callaway, MD
NPI 1689776577ActiveIndividual· Internal Medicine· Flint, MI
Internal Medicine (MD) in Flint, Michigan, trained at Michigan State University College of Human Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $1,002,066 for 15,010 claims, against $38,413 paid for services in 2024. Novo Nordisk Inc was the largest of 8 companies reporting payments in 2025, $204.90 in all, mostly food and beverage.
Overview
| NPI | 1689776577 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 2, 2006 |
| Last updated in NPPES | Nov 29, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301407050 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 131 |
|---|---|
| Services billed | 919 across 18 procedure codes |
| Paid by Medicare | $38,413 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,010 · 28,202 30-day fills |
|---|---|
| Patients | 462 |
| Total drug cost | $1,002,066 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
Medical group
- Henry Ford Medical Group GenesysBurton, MI · 97 clinicians
Hospital affiliations
- Ascension Genesys HospitalGrand Blanc, MI
- Henry Ford Health HospitalDetroit, MI
Other facilities
- Residential Home Health and HospiceHome health agency · Lapeer, MI
- The Care TeamHome health agency · Saginaw, MI
Industry payments (Open Payments)
- 2025$204.90 · 10 payments from 8 companies
- 2024$103.53 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $43.99 | 2 |
| Esperion Therapeutics, Inc. | $35.24 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $25.64 | 1 |
| Actelion Pharmaceuticals US, Inc. | $24.53 | 1 |
| Aimmune Therapeutics, Inc. | $21.40 | 1 |
What the 2025 payments were for
- Food and Beverage$204.90 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 257 internal medicine physicians in Flint · All internal medicine physicians in Michigan