Quick answers
- Where does Ashley Yu see patients?
- Medicare's clinician data lists 4 practice locations, including Claremont, CA, Pomona, CA and Chino Hills, CA. Call before your visit to confirm the address.
- What is Ashley Yu's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Ashley Yu accept Medicare assignment?
- Medicare's clinician data says Ashley Yu may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Ashley Yu?
- (909) 865-9977, as listed in official Medicare / NPI Registry data.
- What is Ashley Yu's NPI number?
- 1609557172. 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 Ashley Yu is enrolled with Medicare (CMS data updated 2026-10-02).
- 1601 Monte Vista Ave, Suite 190Claremont, CA 91711 (909) 865‑9977
- 1770 N Orange Grove Ave, Suite 101Pomona, CA 91767 (909) 469‑9494
- 2140 Grand Ave, Suite 125Chino Hills, CA 91709 (909) 630‑7875
- 2333 Foothill BlvdLa Verne, CA 91750 (909) 392‑6501
Group practices
Medicare enrollment lists Ashley Yu as a member of this group (CMS data updated 2026-10-02).
- Premier Family Medicine Associates, Inc65 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Claremont
Clinicians with the same Medicare primary specialty in Claremont, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1609557172 |
| 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