Quick answers
- Which hospitals does Phong H. Bui work at?
- Medicare's official clinician data lists Phong H. Bui at 1 hospital: UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Phong H. Bui see patients?
- Medicare's clinician data lists 2 practice locations, including Fountain Valley, CA and Westminster, CA. Call before your visit to confirm the address.
- What is Phong H. Bui's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Endocrinology.
- Does Phong H. Bui accept Medicare assignment?
- Yes. Medicare's clinician data says Phong H. Bui 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.
- Does Phong H. Bui offer telehealth?
- Medicare's clinician data says Phong H. Bui offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Phong H. Bui?
- (714) 839-2400, as listed in official Medicare / NPI Registry data.
- What is Phong H. Bui's NPI number?
- 1316177462. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Phong H. Bui works
Medicare's Facility Affiliation Data lists Phong H. Bui at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Phong H. Bui is enrolled with Medicare (CMS data updated 2026-10-02).
- 16055 Brookhurst St, Suite CFountain Valley, CA 92708 (714) 839‑2400
- 7631 Wyoming St, Suite 201Westminster, CA 92683 (714) 898‑0765
Group practices
Medicare enrollment lists Phong H. Bui as a member of this group (CMS data updated 2026-10-02).
- Family Choice Aco Inc55 clinicians in the group
Specialties
- Internal Medicineprimary
- Endocrinologyalso
Other internal medicine doctors in Fountain Valley
Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316177462 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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