Quick answers
- Where does Van Dinh see patients?
- Medicare's clinician data lists 2 practice locations, including Claremont, CA and Montclair, CA. Call before your visit to confirm the address.
- What is Van Dinh's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Van Dinh accept Medicare assignment?
- Medicare's clinician data says Van Dinh 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 Van Dinh?
- (909) 281-5800, as listed in official Medicare / NPI Registry data.
- What is Van Dinh's NPI number?
- 1003497421. 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 Van Dinh is enrolled with Medicare (CMS data updated 2026-10-02).
- 220 S Indian Hill Blvd, Suite FClaremont, CA 91711
- 5050 San Bernardino StMontclair, CA 91763 (909) 281‑5800
Group practices
Medicare enrollment lists Van Dinh as a member of this group (CMS data updated 2026-10-02).
- Health Service Alliance14 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Claremont
Clinicians with the same Medicare primary specialty in Claremont, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1003497421 |
| 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