Robert S. Michaels, M.D.
NPI 1558341800ActiveIndividual· Internal Medicine, Nephrology· Southfield, MI
Internal Medicine, Nephrology (M.D.) in Southfield, Michigan, trained at Northwestern University Feinberg Medical School (class of 1969). Their prescriptions cost Medicare Part D more than their services did: $138,227 for 1,667 claims, against $18,086 paid for services in 2024. Alnylam Pharmaceuticals Inc. was the largest of 7 companies reporting payments in 2025, $275.17 in all, mostly food and beverage.
Overview
| NPI | 1558341800 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 20, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 4301029674 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 84 |
|---|---|
| Services billed | 378 across 7 procedure codes |
| Paid by Medicare | $18,086 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,667 · 3,596 30-day fills |
|---|---|
| Patients | 170 |
| Total drug cost | $138,227 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1969 |
| Medicare specialty | Nephrology |
Medical group
- Nephron Associates, PCSouthfield, MI · 4 clinicians
Hospital affiliations
- Ascension Providence Hospital, Southfield and NoviSouthfield, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Henry Ford Health HospitalDetroit, MI
Industry payments (Open Payments)
- 2025$275.17 · 14 payments from 7 companies
- 2024$266.75 · 13 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alnylam Pharmaceuticals Inc. | $138.22 | 7 |
| Apellis Pharmaceuticals, Inc. | $35.77 | 2 |
| Novartis Pharmaceuticals Corporation | $25.25 | 1 |
| Novo Nordisk Inc | $22.76 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $20.22 | 1 |
What the 2025 payments were for
- Food and Beverage$254.95 · 13 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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