Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MICHAEL LEROY AHRENS, MD
ActiveMICHAEL LEROY AHRENS, MD is a Internal Medicine healthcare provider located in LANSING, Michigan. NPI 1669051215 is currently active in the NPPES registry. Verify at CMS.
Internal Medicine · LANSING, MI
Registration Details
- NPI Number
- 1669051215
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 2, 2021 (5.3858984504021 yrs)
- Last Updated
- Jan 14, 2026
- Licenses
-
4301515242 (MI)94-10789 (KS)
Practice Information
- Address
-
2900 COLLINS RDLANSING, MI, 489108394Browse MI providers · Browse ZIP 48910
- Phone
- 5179756000
- Primary Specialty
-
Internal Medicine
207R00000X
- Additional Specialty
- Internal Medicine
- Additional Specialty
- Student (Health Education/Training)
Other Internal Medicine Providers in LANSING, MI
| Name | Credential | NPI |
|---|---|---|
| MICHAEL CASMIR KOWALCZYK | DO | 1649277211 |
| CHARLES B DEHLIN | DO | 1952308843 |
| EILEEN KAREN WHEELER | DO | 1881692945 |
| BARBARA A FRETWELL | MD | 1578561429 |
| DR. MARY ANNE WERKMAN | DO | 1073511028 |
| DR. AMIT GHOSE | MD | 1639177686 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.