Quick answers
- Which hospitals does Alyssa Herrmann work at?
- Medicare's official clinician data lists Alyssa Herrmann at 1 hospital: Henry Ford Health St John Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alyssa Herrmann see patients?
- Medicare's clinician data lists 1 practice location in Detroit, MI. Call before your visit to confirm the address.
- What is Alyssa Herrmann's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Alyssa Herrmann accept Medicare assignment?
- Yes. Medicare's clinician data says Alyssa Herrmann 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 Alyssa Herrmann's NPI number?
- 1639602477. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alyssa Herrmann works
Medicare's Facility Affiliation Data lists Alyssa Herrmann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Henry Ford Health St John HospitalDetroit, MI · Acute Care Hospital · CCN 230165
Practice locations
Addresses where Alyssa Herrmann is enrolled with Medicare (CMS data updated 2026-10-02).
- 22101 Moross RdDetroit, MI 48236
Group practices
Medicare enrollment lists Alyssa Herrmann as a member of this group (CMS data updated 2026-10-02).
- Henry Ford Health St. John Hospital348 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Detroit
Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639602477 |
| 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