Quick answers
- Which hospitals does Michael Karsy work at?
- Medicare's official clinician data lists Michael Karsy at 5 hospitals: Eaton Rapids Medical Center, Edward W Sparrow Hospital, Sparrow Ionia Hospital, University of Michigan Health - Sparrow Eaton and University of Michigan Health- Sparrow Clinton. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Karsy see patients?
- Medicare's clinician data lists 5 practice locations, including Lansing, MI and Ann Arbor, MI. Call before your visit to confirm the address.
- What is Michael Karsy's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Michael Karsy accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Karsy 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.
- Does Michael Karsy offer telehealth?
- Medicare's clinician data says Michael Karsy offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael Karsy?
- (517) 364-5930, as listed in official Medicare / NPI Registry data.
- What is Michael Karsy's NPI number?
- 1972845345. 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 Karsy works
Medicare's Facility Affiliation Data lists Michael Karsy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Eaton Rapids Medical CenterEaton Rapids, MI · Critical Access Hospital · CCN 231324
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · CCN 230230
- Sparrow Ionia HospitalIonia, MI · Critical Access Hospital · CCN 231331
- University of Michigan Health - Sparrow EatonCharlotte, MI · Critical Access Hospital · CCN 231327
- University of Michigan Health- Sparrow ClintonSaint Johns, MI · Critical Access Hospital · CCN 231326
Practice locations
Addresses where Michael Karsy is enrolled with Medicare (CMS data updated 2026-10-02).
- 1200 E Michigan Ave, Suite 340 University of Michigan Health SpLansing, MI 48912 (517) 364‑5930
- 1215 E Michigan AveLansing, MI 48912 (517) 364‑5640
- 1500 E Medical Ctr DrAnn Arbor, MI 48109 (734) 936‑7010
- 4260 Plymouth RdAnn Arbor, MI 48109 (734) 936‑7010
- 4270 Plymouth RdAnn Arbor, MI 48109 (734) 936‑7010
Group practices
Medicare enrollment lists Michael Karsy as a member of these groups (CMS data updated 2026-10-02).
- Regents of the University of Michigan3,346 clinicians in the group
- Edward W Sparrow Hospital Association730 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Lansing
Clinicians with the same Medicare primary specialty in Lansing, MI — not a recommendation.
Clinician information
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1972845345 |
| 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