Keith Angelo Johnstone, M.D.
NPI 1760466049ActiveIndividual· Internal Medicine, Interventional Cardiology· Southfield, MI
Internal Medicine, Interventional Cardiology (M.D.) in Southfield, Michigan, trained at University of Michigan Medical School (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $275,205 for 2,626 claims, against $35,429 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 8 companies reporting payments in 2025, $228.53 in all, mostly food and beverage.
Overview
| NPI | 1760466049 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 1, 2005 |
| Last updated in NPPES | Apr 15, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 4301048096 | MI |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 4301048096 | 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 (CA); Practitioner - Cardiovascular Disease (Cardiology) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 116 |
|---|---|
| Services billed | 551 across 29 procedure codes |
| Paid by Medicare | $35,429 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,626 · 5,397 30-day fills |
|---|---|
| Patients | 407 |
| Total drug cost | $275,205 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - FresnoFresno, CA
Industry payments (Open Payments)
- 2025$228.53 · 11 payments from 8 companies
- 2024$830.52 · 35 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $65.80 | 3 |
| E.R. Squibb & Sons, L.L.C. | $31.49 | 2 |
| Boston Scientific Corporation | $25.99 | 1 |
| Scpharmaceuticals Inc. | $24.23 | 1 |
| Novo Nordisk Inc | $21.66 | 1 |
What the 2025 payments were for
- Food and Beverage$228.53 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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