Quick answers
- Which hospitals does Robert A. Harf work at?
- Medicare's official clinician data lists Robert A. Harf at 3 hospitals: Petaluma Valley Hospital, Providence Santa Rosa Memorial Hospital and Sonoma Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert A. Harf see patients?
- Medicare's clinician data lists 4 practice locations, including Petaluma, CA and Sonoma, CA. Call before your visit to confirm the address.
- What is Robert A. Harf's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Robert A. Harf accept Medicare assignment?
- Yes. Medicare's clinician data says Robert A. Harf 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 A. Harf?
- (707) 763-8720, as listed in official Medicare / NPI Registry data.
- What is Robert A. Harf's NPI number?
- 1023128741. 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 A. Harf works
Medicare's Facility Affiliation Data lists Robert A. Harf at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Petaluma Valley HospitalPetaluma, CA · Acute Care Hospital · CCN 050136
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
- Sonoma Valley HospitalSonoma, CA · Acute Care Hospital · CCN 050090
Practice locations
Addresses where Robert A. Harf is enrolled with Medicare (CMS data updated 2026-10-02).
- 108 Lynch Creek Way, Suite 7Petaluma, CA 94954 (707) 763‑8720
- 181 Andrieux St, Suite 111Sonoma, CA 95476
- 347 Andrieux StSonoma, CA 95476 (707) 935‑5000
- PO Box, Suite 1722Sonoma, CA 95476
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023128741 |
| 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