Quick answers
- Which hospitals does Roya M. Nasseri work at?
- Medicare's official clinician data lists Roya M. Nasseri at 2 hospitals: Adventist Health Simi Valley and UCLA West Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Roya M. Nasseri see patients?
- Medicare's clinician data lists 1 practice location in Simi Valley, CA. Call before your visit to confirm the address.
- What is Roya M. Nasseri's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Roya M. Nasseri accept Medicare assignment?
- Yes. Medicare's clinician data says Roya M. Nasseri 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.
- Does Roya M. Nasseri offer telehealth?
- Medicare's clinician data says Roya M. Nasseri offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Roya M. Nasseri?
- (805) 583-0110, as listed in official Medicare / NPI Registry data.
- What is Roya M. Nasseri's NPI number?
- 1265695688. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Roya M. Nasseri works
Medicare's Facility Affiliation Data lists Roya M. Nasseri at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · CCN 050236
- UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · CCN 050481
Practice locations
Addresses where Roya M. Nasseri is enrolled with Medicare (CMS data updated 2026-10-02).
- 2655 1st St, Suite 380Simi Valley, CA 93065 (805) 583‑0110
Group practices
Medicare enrollment lists Roya M. Nasseri as a member of this group (CMS data updated 2026-10-02).
- The Regents of the University of California1,462 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Simi Valley
Clinicians with the same Medicare primary specialty in Simi Valley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1265695688 |
| 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