Quick answers
- Where does Marcus A. Westerman see patients?
- Medicare's clinician data lists 2 practice locations, including St Louis Park, MN and Bloomington, MN. Call before your visit to confirm the address.
- What is Marcus A. Westerman's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Marcus A. Westerman accept Medicare assignment?
- Yes. Medicare's clinician data says Marcus A. Westerman 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 Marcus A. Westerman?
- (952) 993-1990, as listed in official Medicare / NPI Registry data.
- What is Marcus A. Westerman's NPI number?
- 1427103290. 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 Marcus A. Westerman is enrolled with Medicare (CMS data updated 2026-10-02).
- 3525 Monterey DrSt Louis Park, MN 55416 (952) 993‑1990
- 5320 Hyland Greens DrBloomington, MN 55437 (952) 993‑2400
Group practices
Medicare enrollment lists Marcus A. Westerman as a member of this group (CMS data updated 2026-10-02).
- Park Nicollet Clinic1,787 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in St Louis Park
Clinicians with the same Medicare primary specialty in St Louis Park, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427103290 |
| 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