Quick answers
- Where does Derrick Fian see patients?
- Medicare's clinician data lists 2 practice locations, including Ventura, CA and El Cajon, CA. Call before your visit to confirm the address.
- What is Derrick Fian's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Derrick Fian accept Medicare assignment?
- Yes. Medicare's clinician data says Derrick Fian 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 Derrick Fian offer telehealth?
- Medicare's clinician data says Derrick Fian offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Derrick Fian?
- (925) 282-1778, as listed in official Medicare / NPI Registry data.
- What is Derrick Fian's NPI number?
- 1417734658. 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 Derrick Fian is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 Partridge Dr, Suite 110Ventura, CA 93003 (925) 282‑1778
- 436 S Magnolia Ave, Suite 101El Cajon, CA 92020 (760) 978‑8596
Group practices
Medicare enrollment lists Derrick Fian as a member of these groups (CMS data updated 2026-10-02).
- Pacific Coast Psychiatric Associates Inc662 clinicians in the group
- Del Sur Healthcare59 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Ventura
Clinicians with the same Medicare primary specialty in Ventura, CA — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417734658 |
| 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