Quick answers
- Which hospitals does Marissa A. Baty work at?
- Medicare's official clinician data lists Marissa A. Baty at 3 hospitals: Beaumont Hospital - Dearborn, Beaumont Hospital Royal Oak and Lake Huron Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marissa A. Baty see patients?
- Medicare's clinician data lists 3 practice locations, including Dearborn, MI, Port Huron, MI and Farmington Hills, MI. Call before your visit to confirm the address.
- What is Marissa A. Baty's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Marissa A. Baty accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa A. Baty 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 Marissa A. Baty?
- (313) 278-2800, as listed in official Medicare / NPI Registry data.
- What is Marissa A. Baty's NPI number?
- 1619941382. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marissa A. Baty works
Medicare's Facility Affiliation Data lists Marissa A. Baty at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beaumont Hospital - DearbornDearborn, MI · Acute Care Hospital · CCN 230020
- Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · CCN 230130
- Lake Huron Medical CenterPort Huron, MI · Acute Care Hospital · CCN 230031
Practice locations
Addresses where Marissa A. Baty is enrolled with Medicare (CMS data updated 2026-10-02).
- 1213 Mason StDearborn, MI 48124 (313) 278‑2800
- 2601 Electric AvePort Huron, MI 48060 (810) 216‑1500
- 27900 Grand River Ave, Suite 220Farmington Hills, MI 48336 (248) 477‑0552
Group practices
Medicare enrollment lists Marissa A. Baty as a member of these groups (CMS data updated 2026-10-02).
- Michigan Healthcare Professionals PC529 clinicians in the group
- Ihp MI Emergency Medicine PLLC40 clinicians in the group
- Inhospital Physicians Michigan PLLC19 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Dearborn
Clinicians with the same Medicare primary specialty in Dearborn, MI — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619941382 |
| 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