Quick answers
- Which hospitals does Sina Rahimi work at?
- Medicare's official clinician data lists Sina Rahimi at 2 hospitals: Grossmont Hospital and Sharp Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sina Rahimi see patients?
- Medicare's clinician data lists 4 practice locations, including Fountain Valley, CA and San Diego, CA. Call before your visit to confirm the address.
- What is Sina Rahimi's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Sina Rahimi accept Medicare assignment?
- Yes. Medicare's clinician data says Sina Rahimi 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 Sina Rahimi offer telehealth?
- Medicare's clinician data says Sina Rahimi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sina Rahimi?
- (714) 641-9696, as listed in official Medicare / NPI Registry data.
- What is Sina Rahimi's NPI number?
- 1770056772. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sina Rahimi works
Medicare's Facility Affiliation Data lists Sina Rahimi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grossmont HospitalLa Mesa, CA · Acute Care Hospital · CCN 050026
- Sharp Memorial HospitalSan Diego, CA · Acute Care Hospital · CCN 050100
Practice locations
Addresses where Sina Rahimi is enrolled with Medicare (CMS data updated 2026-10-02).
- 11100 Warner Ave, Suite 218Fountain Valley, CA 92708 (714) 641‑9696
- 16899 W Bernardo DrSan Diego, CA 92127 (858) 499‑2600
- 7901 Frost StSan Diego, CA 92123 (858) 939‑3400
- 8885 Rio San Diego Dr, Suite 212San Diego, CA 92108 (619) 299‑2350
Group practices
Medicare enrollment lists Sina Rahimi as a member of these groups (CMS data updated 2026-10-02).
- Sharp Rees-Stealy Medical Group Inc884 clinicians in the group
- Emergency and Acute Care Medical Corporation422 clinicians in the group
- Balboa Nephrology Medical Group Inc76 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Fountain Valley
Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rowan University School Of Osteopathic Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1770056772 |
| 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