Quick answers
- Where does Susan D. Ernst see patients?
- Medicare's clinician data lists 2 practice locations, including Ann Arbor, MI. Call before your visit to confirm the address.
- What is Susan D. Ernst's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Susan D. Ernst accept Medicare assignment?
- Yes. Medicare's clinician data says Susan D. Ernst 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 Susan D. Ernst?
- (734) 763-9631, as listed in official Medicare / NPI Registry data.
- What is Susan D. Ernst's NPI number?
- 1720140023. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Susan D. Ernst is enrolled with Medicare (CMS data updated 2026-10-02).
- 207 Fletcher StAnn Arbor, MI 48109
- 207 Fletcher St, Rm 245gAnn Arbor, MI 48109 (734) 763‑9631
Group practices
Medicare enrollment lists Susan D. Ernst as a member of this group (CMS data updated 2026-10-02).
- Regents of the University of Michigan-UHS-University Health Ser14 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Ann Arbor
Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1993 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720140023 |
| 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
- 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