Quick answers
- Where does Yi Zhang see patients?
- Medicare's clinician data lists 3 practice locations, including Fountain Valley, CA and Costa Mesa, CA. Call before your visit to confirm the address.
- What is Yi Zhang's specialty?
- Medicare lists Registered Dietitian or Nutrition Professional as the primary specialty.
- Does Yi Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Yi Zhang 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 Yi Zhang?
- (714) 549-1300, as listed in official Medicare / NPI Registry data.
- What is Yi Zhang's NPI number?
- 1821871765. 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 Yi Zhang is enrolled with Medicare (CMS data updated 2026-10-02).
- 11420 Warner AveFountain Valley, CA 92708 (714) 549‑1300
- 18785 Brookhurst StFountain Valley, CA 92708
- 722 Baker StCosta Mesa, CA 92626 (714) 557‑6300
Group practices
Medicare enrollment lists Yi Zhang as a member of this group (CMS data updated 2026-10-02).
- Memorialcare Medical Foundation566 clinicians in the group
Specialties
Find other clinicians: Registered Dietitian or Nutrition Professional, California →
Other dietitians in Fountain Valley
Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821871765 |
| 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