Quick answers
- Which hospitals does Kian Mostafavi work at?
- Medicare's official clinician data lists Kian Mostafavi at 2 hospitals: Kaiser Foundation Hospital - Redwood City and Kaiser Foundation Hospital - San Leandro. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kian Mostafavi see patients?
- Medicare's clinician data lists 5 practice locations, including Redwood City, CA, San Leandro, CA and Richmond, CA. Call before your visit to confirm the address.
- What is Kian Mostafavi's specialty?
- Medicare lists Vascular Surgery as the primary specialty, and also General Surgery.
- Does Kian Mostafavi accept Medicare assignment?
- Yes. Medicare's clinician data says Kian Mostafavi 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 Kian Mostafavi offer telehealth?
- Medicare's clinician data says Kian Mostafavi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Kian Mostafavi?
- (650) 299-2000, as listed in official Medicare / NPI Registry data.
- What is Kian Mostafavi's NPI number?
- 1336383652. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kian Mostafavi works
Medicare's Facility Affiliation Data lists Kian Mostafavi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hospital - Redwood CityRedwood City, CA · Acute Care Hospital · CCN 050541
- Kaiser Foundation Hospital - San LeandroSan Leandro, CA · Acute Care Hospital · CCN 050777
Practice locations
Addresses where Kian Mostafavi is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Veterans BlvdRedwood City, CA 94063 (650) 299‑2000
- 1150 Veterans BlvdRedwood City, CA 94063 (650) 299‑2000
- 1190 Veterans BlvdRedwood City, CA 94063 (650) 299‑2000
- 2500 Merced StSan Leandro, CA 94577 (510) 454‑1000
- 901 Nevin AveRichmond, CA 94801 (510) 307‑1500
Group practices
Medicare enrollment lists Kian Mostafavi as a member of this group (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
Other vascular surgeons in Redwood City
Clinicians with the same Medicare primary specialty in Redwood City, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336383652 |
| 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