Quick answers
- Which hospitals does Michael F. Grimm work at?
- Medicare's official clinician data lists Michael F. Grimm at 2 hospitals: Edward W Sparrow Hospital and McLaren Greater Lansing. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael F. Grimm see patients?
- Medicare's clinician data lists 1 practice location in Okemos, MI. Call before your visit to confirm the address.
- What is Michael F. Grimm's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Nuclear Medicine.
- Does Michael F. Grimm accept Medicare assignment?
- Yes. Medicare's clinician data says Michael F. Grimm accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael F. Grimm?
- (517) 349-3303, as listed in official Medicare / NPI Registry data.
- What is Michael F. Grimm's NPI number?
- 1467521930. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael F. Grimm works
Medicare's Facility Affiliation Data lists Michael F. Grimm at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · CCN 230230
- McLaren Greater LansingLansing, MI · Acute Care Hospital · CCN 230167
Practice locations
Addresses where Michael F. Grimm is enrolled with Medicare (CMS data updated 2026-10-02).
- 3413 Woods EdgeOkemos, MI 48864 (517) 349‑3303
Group practices
Medicare enrollment lists Michael F. Grimm as a member of this group (CMS data updated 2026-10-02).
- Lansing Cardiovascular Consultants PC10 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Michigan →
Other cardiologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | St. Louis College Of Physicians And Surgeons |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467521930 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians