Joseph W. Kaiser, D.O.
NPI 1295730471ActiveIndividual· Internal Medicine, Nephrology· Clinton Twp, MI
Internal Medicine, Nephrology (D.O.) in Clinton Twp, Michigan, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $322,019 for 1,122 claims, against $141,347 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 14 companies reporting payments in 2025, $633.59 in all, mostly food and beverage.
Overview
| NPI | 1295730471 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2005 |
| Last updated in NPPES | Dec 10, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 5101012133 | 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 - Nephrology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 342 |
|---|---|
| Services billed | 1,529 across 17 procedure codes |
| Paid by Medicare | $141,347 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,122 · 2,587 30-day fills |
|---|---|
| Patients | 205 |
| Total drug cost | $322,019 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Macomb Internal Medicine PCClinton Twp, MI · 8 clinicians
Hospital affiliations
- Henry Ford Macomb HospitalClinton Township, MI
- McLaren MacombMount Clemens, MI
Other facilities
- Fmc - ChesterfieldDialysis facility · Chesterfield, MI
- Fmc Dialysis - ClintonDialysis facility · Clinton Township, MI
- Fresenius Dialysis Services of ShelbyDialysis facility · Shelby Township, MI
Industry payments (Open Payments)
- 2025$633.59 · 30 payments from 14 companies
- 2024$619.55 · 33 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $89.09 | 4 |
| Mallinckrodt Hospital Products Inc. | $88.39 | 3 |
| Novartis Pharmaceuticals Corporation | $86.02 | 4 |
| Aurinia Pharma U.S., Inc. | $66.01 | 3 |
| Astrazeneca Pharmaceuticals LP | $59.95 | 3 |
What the 2025 payments were for
- Food and Beverage$633.59 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Clinton Twp
- 1538256789
- 1588669659