Quick answers
- Which hospitals does Sara Rittenhouse work at?
- Medicare's official clinician data lists Sara Rittenhouse at 1 hospital: Oroville Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sara Rittenhouse see patients?
- Medicare's clinician data lists 2 practice locations, including Grass Valley, CA and Oroville, CA. Call before your visit to confirm the address.
- What is Sara Rittenhouse's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Sara Rittenhouse accept Medicare assignment?
- Medicare's clinician data says Sara Rittenhouse may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Sara Rittenhouse?
- (530) 477-8545, as listed in official Medicare / NPI Registry data.
- What is Sara Rittenhouse's NPI number?
- 1316588270. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sara Rittenhouse works
Medicare's Facility Affiliation Data lists Sara Rittenhouse at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Oroville HospitalOroville, CA · Acute Care Hospital · CCN 050030
Practice locations
Addresses where Sara Rittenhouse is enrolled with Medicare (CMS data updated 2026-10-02).
- 1350 E Main StGrass Valley, CA 95945 (530) 477‑8545
- 2145 5th AveOroville, CA 95965 (530) 534‑5394
Group practices
Medicare enrollment lists Sara Rittenhouse as a member of these groups (CMS data updated 2026-10-02).
- Chapa-De Indian Health Program, Inc.57 clinicians in the group
- Feather River Tribal Health Inc29 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Grass Valley
Clinicians with the same Medicare primary specialty in Grass Valley, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1316588270 |
| 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