Quick answers
- Which hospitals does Mary E. Macguire work at?
- Medicare's official clinician data lists Mary E. Macguire at 1 hospital: Sagewest Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary E. Macguire see patients?
- Medicare's clinician data lists 1 practice location in Riverton, WY. Call before your visit to confirm the address.
- What is Mary E. Macguire's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Mary E. Macguire accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. Macguire 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 Mary E. Macguire?
- (307) 857-3590, as listed in official Medicare / NPI Registry data.
- What is Mary E. Macguire's NPI number?
- 1346423761. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary E. Macguire works
Medicare's Facility Affiliation Data lists Mary E. Macguire at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sagewest Health CareRiverton, WY · Acute Care Hospital · CCN 530008
Practice locations
Addresses where Mary E. Macguire is enrolled with Medicare (CMS data updated 2026-10-02).
- 2100 W Sunset DrRiverton, WY 82501 (307) 857‑3590
Group practices
Medicare enrollment lists Mary E. Macguire as a member of this group (CMS data updated 2026-10-02).
- Riverton Physician Practices LLC14 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Riverton
Clinicians with the same Medicare primary specialty in Riverton, WY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 1979 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346423761 |
| 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