Quick answers
- Which hospitals does Maureen Petersen work at?
- Medicare's official clinician data lists Maureen Petersen at 3 hospitals: Cody Regional Health, Intermountain Health St Vincent Regional Hospital and St James Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maureen Petersen see patients?
- Medicare's clinician data lists 2 practice locations, including Billings, MT and Butte, MT. Call before your visit to confirm the address.
- What is Maureen Petersen's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Maureen Petersen accept Medicare assignment?
- Yes. Medicare's clinician data says Maureen Petersen 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 Maureen Petersen?
- (406) 237-3913, as listed in official Medicare / NPI Registry data.
- What is Maureen Petersen's NPI number?
- 1467911784. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maureen Petersen works
Medicare's Facility Affiliation Data lists Maureen Petersen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cody Regional HealthCody, WY · Critical Access Hospital · CCN 531312
- Intermountain Health St Vincent Regional HospitalBillings, MT · Acute Care Hospital · CCN 270049
- St James HospitalButte, MT · Acute Care Hospital · CCN 270017
Practice locations
Addresses where Maureen Petersen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1233 N 30th StBillings, MT 59101 (406) 237‑3913
- 400 S Clark StButte, MT 59701 (406) 495‑7260
Group practices
Medicare enrollment lists Maureen Petersen as a member of these groups (CMS data updated 2026-10-02).
- SCL Health Medical Group - Billings LLC297 clinicians in the group
- SCL Health Medical Group-Butte LLC100 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Billings
Clinicians with the same Medicare primary specialty in Billings, MT — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467911784 |
| 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