Quick answers
- Which hospitals does Mark Mumm work at?
- Medicare's official clinician data lists Mark Mumm at 1 hospital: Trinity Health Ann Arbor Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Mumm see patients?
- Medicare's clinician data lists 3 practice locations, including Chelsea, MI, Pontiac, MI and Van Buren, MI. Call before your visit to confirm the address.
- What is Mark Mumm's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mark Mumm accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Mumm 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 Mark Mumm?
- (734) 475-8677, as listed in official Medicare / NPI Registry data.
- What is Mark Mumm's NPI number?
- 1316974546. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Mumm works
Medicare's Facility Affiliation Data lists Mark Mumm at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · CCN 230156
Practice locations
Addresses where Mark Mumm is enrolled with Medicare (CMS data updated 2026-10-02).
- 128 Van Buren StChelsea, MI 48118 (734) 475‑8677
- 44428 Woodward Ave, Suite 102Pontiac, MI 48341 (734) 712‑8700
- 51341 W Huron River DrVan Buren, MI 48111
Group practices
Medicare enrollment lists Mark Mumm as a member of this group (CMS data updated 2026-10-02).
- Iha Health Services Corporation1,168 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Chelsea
Clinicians with the same Medicare primary specialty in Chelsea, MI — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316974546 |
| 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