Quick answers
- Which hospitals does Sienna Corbin work at?
- Medicare's official clinician data lists Sienna Corbin at 1 hospital: Lompoc Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sienna Corbin see patients?
- Medicare's clinician data lists 2 practice locations, including Great Falls, MT and Santa Maria, CA. Call before your visit to confirm the address.
- What is Sienna Corbin's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Sienna Corbin accept Medicare assignment?
- Medicare's clinician data says Sienna Corbin may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Sienna Corbin's NPI number?
- 1508580820. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sienna Corbin works
Medicare's Facility Affiliation Data lists Sienna Corbin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lompoc Valley Medical CenterLompoc, CA · Acute Care Hospital · CCN 050110
Practice locations
Addresses where Sienna Corbin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1721 3rd Ave S Apt, Suite 1Great Falls, MT 59405
- 2050 S Blosser RdSanta Maria, CA 93458
Specialties
- Physician Assistantprimary
Other physician assistants in Great Falls
Clinicians with the same Medicare primary specialty in Great Falls, MT — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1508580820 |
| 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