Quick answers
- Which hospitals does Robert P. Ritchey work at?
- Medicare's official clinician data lists Robert P. Ritchey at 2 hospitals: Adventist Health and Rideout and Oroville Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert P. Ritchey see patients?
- Medicare's clinician data lists 4 practice locations, including Yuba City, CA. Call before your visit to confirm the address.
- What is Robert P. Ritchey's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Robert P. Ritchey accept Medicare assignment?
- Yes. Medicare's clinician data says Robert P. Ritchey 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 Robert P. Ritchey?
- (530) 673-9420, as listed in official Medicare / NPI Registry data.
- What is Robert P. Ritchey's NPI number?
- 1952388662. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert P. Ritchey works
Medicare's Facility Affiliation Data lists Robert P. Ritchey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health and RideoutMarysville, CA · Acute Care Hospital · CCN 050133
- Oroville HospitalOroville, CA · Acute Care Hospital · CCN 050030
Practice locations
Addresses where Robert P. Ritchey is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Sutter StYuba City, CA 95991 (530) 673‑9420
- 355 Samuel DrYuba City, CA 95991 (530) 674‑9200
- 931 Market StYuba City, CA 95991 (530) 671‑8820
- 935 Market St, AYuba City, CA 95991
Group practices
Medicare enrollment lists Robert P. Ritchey as a member of this group (CMS data updated 2026-10-02).
- Ampla Health101 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Yuba City
Clinicians with the same Medicare primary specialty in Yuba City, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952388662 |
| 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