Quick answers
- Which hospitals does Rita Melkonian work at?
- Medicare's official clinician data lists Rita Melkonian at 5 hospitals: California Pacific Medical Center- Van Ness Campus, Marinhealth Medical Center, Novato Community Hospital, Petaluma Valley Hospital and Sonoma Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Rita Melkonian see patients?
- Medicare's clinician data lists 2 practice locations, including Corte Madera, CA. Call before your visit to confirm the address.
- What is Rita Melkonian's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Rita Melkonian accept Medicare assignment?
- Medicare's clinician data says Rita Melkonian 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 Rita Melkonian?
- (415) 924-3530, as listed in official Medicare / NPI Registry data.
- What is Rita Melkonian's NPI number?
- 1497865836. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Rita Melkonian works
Medicare's Facility Affiliation Data lists Rita Melkonian at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA · Acute Care Hospital · CCN 050047
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · CCN 050360
- Novato Community HospitalNovato, CA · Acute Care Hospital · CCN 050131
- Petaluma Valley HospitalPetaluma, CA · Acute Care Hospital · CCN 050136
- Sonoma Valley HospitalSonoma, CA · Acute Care Hospital · CCN 050090
Practice locations
Addresses where Rita Melkonian is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 Casa Buena Dr, Suite BCorte Madera, CA 94925 (415) 924‑3530
- 101 Casa Buena Dr BCorte Madera, CA 94925
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1977 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1497865836 |
| 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