Quick answers
- Where does Arash Farahanchi see patients?
- Medicare's clinician data lists 5 practice locations, including Fullerton, CA, Whittier, CA and Chino Hills, CA. Call before your visit to confirm the address.
- What is Arash Farahanchi's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Arash Farahanchi accept Medicare assignment?
- Yes. Medicare's clinician data says Arash Farahanchi 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 Arash Farahanchi?
- (714) 871-3006, as listed in official Medicare / NPI Registry data.
- What is Arash Farahanchi's NPI number?
- 1497829972. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Arash Farahanchi is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 E Valencia Mesa Dr, Suite 105Fullerton, CA 92835 (714) 871‑3006
- 15733 Whittier BlvdWhittier, CA 90603 (562) 947‑7754
- 15855 Pomona Rincon Rd, Bldg 4Chino Hills, CA 91709 (909) 929‑2511
- 19333 Bear Valley RdApple Valley, CA 92308
- 1950 Sunny Crest Dr, Suite 2900Fullerton, CA 92835 (714) 992‑5350
Group practices
Medicare enrollment lists Arash Farahanchi as a member of these groups (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
- PIH Health Physicians622 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fullerton
Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Western University Of Health Sciences College Of Dental Med |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497829972 |
| 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
- 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