Quick answers
- Which hospitals does Amy Van T. Bui work at?
- Medicare's official clinician data lists Amy Van T. Bui at 1 hospital: Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Amy Van T. Bui see patients?
- Medicare's clinician data lists 4 practice locations, including Fullerton, CA, Laguna Hills, CA and Mission Viejo, CA. Call before your visit to confirm the address.
- What is Amy Van T. Bui's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Amy Van T. Bui accept Medicare assignment?
- Yes. Medicare's clinician data says Amy Van T. 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 Amy Van T. Bui offer telehealth?
- Medicare's clinician data says Amy Van T. Bui offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Amy Van T. Bui?
- (714) 992-5350, as listed in official Medicare / NPI Registry data.
- What is Amy Van T. Bui's NPI number?
- 1013027838. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Amy Van T. Bui works
Medicare's Facility Affiliation Data lists Amy Van T. Bui at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · CCN 050567
Practice locations
Addresses where Amy Van T. Bui is enrolled with Medicare (CMS data updated 2026-10-02).
- 1950 Sunny Crest Dr, Suite 2900Fullerton, CA 92835 (714) 992‑5350
- 24321 Avenida De La CarlotaLaguna Hills, CA 92653 (949) 204‑3006
- 26800 Crown Valley PkwyMission Viejo, CA 92691
- 27700 Medical Ctr RdMission Viejo, CA 92691 (949) 364‑1400
Group practices
Medicare enrollment lists Amy Van T. Bui as a member of this group (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Fullerton
Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Florida College Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1013027838 |
| 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