Quick answers
- Which hospitals does Abby Bymaster work at?
- Medicare's official clinician data lists Abby Bymaster at 2 hospitals: Billings Clinic Hospital and Stillwater Billings Clinic. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Abby Bymaster see patients?
- Medicare's clinician data lists 1 practice location in Columbus, MT. Call before your visit to confirm the address.
- What is Abby Bymaster's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Abby Bymaster accept Medicare assignment?
- Yes. Medicare's clinician data says Abby Bymaster 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 Abby Bymaster?
- (406) 322-1000, as listed in official Medicare / NPI Registry data.
- What is Abby Bymaster's NPI number?
- 1598448011. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Abby Bymaster works
Medicare's Facility Affiliation Data lists Abby Bymaster at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · CCN 270004
- Stillwater Billings ClinicColumbus, MT · Critical Access Hospital · CCN 271330
Practice locations
Addresses where Abby Bymaster is enrolled with Medicare (CMS data updated 2026-10-02).
- 710 11th St NColumbus, MT 59019 (406) 322‑1000
Group practices
Medicare enrollment lists Abby Bymaster as a member of this group (CMS data updated 2026-10-02).
- Stillwater Hospital Association Inc26 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Montana
Clinicians with the same Medicare primary specialty in Montana — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598448011 |
| 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