Michael Craig Kleinmann, D.O.
NPI 1386620912ActiveIndividual· Internal Medicine, Nephrology· Mobile, AL
Internal Medicine, Nephrology (D.O.) in Mobile, Alabama, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $864,444 for 2,015 claims, against $154,128 paid for services in 2024. Amgen Inc. was the largest of 13 companies reporting payments in 2025, $532.75 in all, mostly food and beverage.
Overview
| NPI | 1386620912 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Dec 15, 2005 |
| Last updated in NPPES | Dec 10, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | DO-584 | AL |
| Specialist | 174400000X | DO584 | AL |
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 (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 327 |
|---|---|
| Services billed | 6,444 across 54 procedure codes |
| Paid by Medicare | $154,128 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,015 · 4,358 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $864,444 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
Medical groups
- Nephrology Associates of Mobile, P.A.Mobile, AL · 41 clinicians
- Mobile Vascular Labs LLCMobile, AL · 4 clinicians
Hospital affiliations
- Jackson Medical CenterJackson, AL
- Mobile Infirmary Medical CenterMobile, AL
- Singing River Health SystemPascagoula, MS
- Springhill Medical CenterMobile, AL
- USA Health HCA Providence Hospital, LLCMobile, AL
Industry payments (Open Payments)
- 2025$532.75 · 25 payments from 13 companies
- 2024$6,361 · 41 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $188.44 | 9 |
| Novartis Pharmaceuticals Corporation | $86.19 | 3 |
| Otsuka America Pharmaceutical, Inc. | $49.52 | 3 |
| Daiichi Sankyo Inc. | $28.25 | 1 |
| Alexion Pharmaceuticals, Inc. | $25.19 | 1 |
What the 2025 payments were for
- Food and Beverage$532.75 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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