Hoang Anh Xuan Bui, OD
Optometrist · Fremont, CA
Hoang Anh Xuan Bui, OD is an optometrist with a practice address in Fremont, California, and NPI 1053496836, issued on Oct 27, 2006. Check the license (California OPT11862TPA, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hoang Anh Xuan Bui
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT11862TPA CA
Self-reported in NPPES; status is on the state search - Practice location
- 38024 Martha Ave, Fremont, CA 94536
- Phone
- (510) 791-2233
- Enumerated
- Oct 27, 2006
- Record last updated
- Jan 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20071213000648); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2002
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 38024 Martha Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peggy Chen, O.DOptometrist1598780561
- Robert Singer, MDOphthalmology Physician1497849525
Verify Hoang Anh Xuan Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT11862TPACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average optometrist in 2024
14 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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: $97.45
1 payment: food and beverage; the largest payer was Amgen Inc. The 34,453 providers of this specialty with any payment received $769.99 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
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hoang Anh Xuan Bui among 8,308 optometrist records in California
Hoang Anh Xuan Bui, OD is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2002 · median 2008 among the 3,573 with a school on file
- Record last updated2022 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 optometrist records list a practice address in Fremont
They are 75 of the 4,749 NPPES records with a practice address in Fremont, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Fremont → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Peggy Chen, O.DFremont, CA 945361598780561
- Alexandra Helling, ODFremont, CA 945361821752155
- Connie Liang, O.D.Fremont, CA 945361609171990
- Amal Mansoor, ODFremont, CA 945361497538607
- Raymond Pedersen, ODFremont, CA 945361457343717
- Don Pegueros, ODFremont, CA 945361710014659
- Shivani Sharma, O.D.Fremont, CA 945361992200323
- Kay Smarzinski, O.D.Fremont, CA 945361609810290
Common questions
What is Hoang Anh Xuan Bui, OD's NPI number?
Hoang Anh Xuan Bui, OD's National Provider Identifier (NPI) is 1053496836, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hoang Anh Xuan Bui, OD located?
The NPPES record lists a practice address at 38024 Martha Ave, Fremont, CA, 94536. Phone: (510) 791-2233. Providers update this record themselves, so call before visiting.
How can I verify Hoang Anh Xuan Bui, OD's license?
NPPES lists California license number OPT11862TPA, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hoang Anh Xuan Bui, OD prescribe under Medicare Part D?
In 2024, Hoang Anh Xuan Bui, OD had 14 Medicare Part D claims; the average among optometrist prescribers was 277. 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.