Quick answers
- Where does Trung D. Dao see patients?
- Medicare's clinician data lists 1 practice location in Westminster, CA. Call before your visit to confirm the address.
- What is Trung D. Dao's specialty?
- Medicare lists Family Practice as the primary specialty, and also Internal Medicine.
- Does Trung D. Dao accept Medicare assignment?
- Yes. Medicare's clinician data says Trung D. Dao 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 Trung D. Dao?
- (714) 898-7886, as listed in official Medicare / NPI Registry data.
- What is Trung D. Dao's NPI number?
- 1821104423. 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 Trung D. Dao is enrolled with Medicare (CMS data updated 2026-10-02).
- 9211 Bolsa Ave, Suite 217Westminster, CA 92683 (714) 898‑7886
Specialties
- Family Practiceprimary
- Internal Medicinealso
Other family doctors in Westminster
Clinicians with the same Medicare primary specialty in Westminster, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arkansas College Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821104423 |
| 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