Quick answers
- Which hospitals does Mary C. Cotner work at?
- Medicare's official clinician data lists Mary C. Cotner at 1 hospital: University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary C. Cotner see patients?
- Medicare's clinician data lists 1 practice location in Saline, MI. Call before your visit to confirm the address.
- What is Mary C. Cotner's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mary C. Cotner accept Medicare assignment?
- Yes. Medicare's clinician data says Mary C. Cotner 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 Mary C. Cotner offer telehealth?
- Medicare's clinician data says Mary C. Cotner offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mary C. Cotner?
- (734) 429-2302, as listed in official Medicare / NPI Registry data.
- What is Mary C. Cotner's NPI number?
- 1134793953. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary C. Cotner works
Medicare's Facility Affiliation Data lists Mary C. Cotner 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 Mary C. Cotner is enrolled with Medicare (CMS data updated 2026-10-02).
- 700 E Woodland DrSaline, MI 48176 (734) 429‑2302
Group practices
Medicare enrollment lists Mary C. Cotner as a member of this group (CMS data updated 2026-10-02).
- Regents of the University of Michigan3,346 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Saline
Clinicians with the same Medicare primary specialty in Saline, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of Pikeville, Kentucky College Of Osteopathic Med |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134793953 |
| 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