Quick answers
- Which hospitals does Gregory D. Shumer work at?
- Medicare's official clinician data lists Gregory D. Shumer at 1 hospital: University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory D. Shumer see patients?
- Medicare's clinician data lists 3 practice locations, including Chelsea, MI and Ann Arbor, MI. Call before your visit to confirm the address.
- What is Gregory D. Shumer's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Gregory D. Shumer accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory D. Shumer 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 Gregory D. Shumer offer telehealth?
- Medicare's clinician data says Gregory D. Shumer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregory D. Shumer?
- (734) 539-5000, as listed in official Medicare / NPI Registry data.
- What is Gregory D. Shumer's NPI number?
- 1164862249. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory D. Shumer works
Medicare's Facility Affiliation Data lists Gregory D. Shumer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of Michigan Health SystemAnn Arbor, MI · Acute Care Hospital · CCN 230046
Practice locations
Addresses where Gregory D. Shumer is enrolled with Medicare (CMS data updated 2026-10-02).
- 14700 E Old US Hwy 12Chelsea, MI 48118 (734) 539‑5000
- 1801 Briarwood CirAnn Arbor, MI 48108 (734) 539‑5000
- 24 Frank Lloyd Wright DrAnn Arbor, MI 48105 (734) 539‑5000
Group practices
Medicare enrollment lists Gregory D. Shumer as a member of this group (CMS data updated 2026-10-02).
- Regents of the University of Michigan3,346 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Chelsea
Clinicians with the same Medicare primary specialty in Chelsea, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164862249 |
| 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