Quick answers
- Which hospitals does Laura O Brien work at?
- Medicare's official clinician data lists Laura O Brien at 1 hospital: Sierra Nevada Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Laura O Brien see patients?
- Medicare's clinician data lists 1 practice location in Grass Valley, CA. Call before your visit to confirm the address.
- What is Laura O Brien's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Laura O Brien accept Medicare assignment?
- Medicare's clinician data says Laura O Brien may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Laura O Brien's NPI number?
- 1124186770. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Laura O Brien works
Medicare's Facility Affiliation Data lists Laura O Brien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sierra Nevada Memorial HospitalGrass Valley, CA · Acute Care Hospital · CCN 050150
Practice locations
Addresses where Laura O Brien is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Sierra College Dr, Suite 170Grass Valley, CA 95945
Specialties
- Physician Assistantprimary
Other physician assistants in Grass Valley
Clinicians with the same Medicare primary specialty in Grass Valley, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1124186770 |
| 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