Quick answers
- Where does Khai Do see patients?
- Medicare's clinician data lists 2 practice locations, including Westminster, CA and Montclair, CA. Call before your visit to confirm the address.
- What is Khai Do's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also General Practice.
- Does Khai Do accept Medicare assignment?
- Yes. Medicare's clinician data says Khai Do 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 Khai Do?
- (714) 373-0124, as listed in official Medicare / NPI Registry data.
- What is Khai Do's NPI number?
- 1396939526. 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 Khai Do is enrolled with Medicare (CMS data updated 2026-10-02).
- 250 Hospital CirWestminster, CA 92683 (714) 373‑0124
- 9880 Central AveMontclair, CA 91763 (909) 621‑3012
Group practices
Medicare enrollment lists Khai Do as a member of this group (CMS data updated 2026-10-02).
- Thien Phuoc Medical Center Inc2 clinicians in the group
Specialties
- Internal Medicineprimary
- General Practicealso
Other internal medicine doctors in Westminster
Clinicians with the same Medicare primary specialty in Westminster, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396939526 |
| 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