Phong Huy Bui, MD
Endocrinology, Diabetes & Metabolism Physician · Fountain Valley, CA
Phong Huy Bui, MD is an endocrinology, diabetes & metabolism physician with a practice address in Fountain Valley, California, and NPI 1316177462, issued on Jul 23, 2009. Check the license (California A101682, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Phong Huy Bui
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A101682 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16055 Brookhurst St, Fountain Valley, CA 92708
- Phone
- (714) 839-2400
- Enumerated
- Jul 23, 2009
- Record last updated
- Jul 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091013000745); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Verify Phong Huy Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A101682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.4 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
14,195 Medicare Part D claims for 1,064 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Ozempic1,314 claims
- Synjardy Xr1,141 claims
- Jardiance975 claims
- Pioglitazone Hcl820 claims
- Trulicity808 claims
- Metformin Hcl739 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,335.06
62 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Family Choice Aco IncWestminster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phong Huy Bui among 1,131 endocrinology, diabetes & metabolism physician records in California
Phong Huy Bui, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2006 · median 2003 among the 779 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Fountain Valley → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Bachar Kurdi, M.D.Fountain Valley, CA 927081750483327
- Chris Tsimerekis, M.D.Fountain Valley, CA 927081942311832
- Jinsun Choi, M.D.North Tustin, CA 927051538310131
- Maruja Diaz Arjonilla, MDSanta Ana, CA 927051841481074
- Yana Stolyarov, M.DSanta Ana, CA 927041982996799
- Anna Betlachin, MDIrvine, CA 926971396190567
- Neal Maler, MDIrvine, CA 926971497276547
- Qin YangIrvine, CA 926971649408444
Common questions
What is Phong Huy Bui, MD's NPI number?
Phong Huy Bui, MD's National Provider Identifier (NPI) is 1316177462, issued on Jul 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Phong Huy Bui, MD located?
The NPPES record lists a practice address at 16055 Brookhurst St, Fountain Valley, CA, 92708. Phone: (714) 839-2400. Providers update this record themselves, so call before visiting.
How can I verify Phong Huy Bui, MD's license?
NPPES lists California license number A101682, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Phong Huy Bui, MD prescribe under Medicare Part D?
In 2024, Phong Huy Bui, MD had 14,195 Medicare Part D claims for 1,064 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.