Anh Diem Bui, MD
Ophthalmology Physician · Daly City, CA
Anh Diem Bui, MD is an ophthalmology physician with a practice address in Daly City, California, and NPI 1558820811, issued on Mar 17, 2019. Check the license (California A181838, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anh Diem Bui
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A181838 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Sullivan Ave Ste 540, Daly City, CA 94015
- Phone
- (650) 755-6900
- Enumerated
- Mar 17, 2019
- Record last updated
- Feb 5, 2025
- Fax
- (650) 755-2107
- Medicare enrollment
- Enrolled (PECOS I20230615003068); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 1850 Sullivan Ave Ste 540
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex OnishiOphthalmology Physician1710351622
Verify Anh Diem Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A181838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average ophthalmology physician in 2024
324 Medicare Part D claims for 125 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Prednisolone Acetate56 claims
- Valacyclovir35 claims
- Xiidra30 claims
- Moxifloxacin25 claims
- Polymyxin B Sul-Trimethoprim18 claims
- Brimonidine Tartrate16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $133.97
2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Pacific Eye Specialists A Professional CorporationDaly City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anh Diem Bui among 2,899 ophthalmology physician records in California
Anh Diem Bui, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2001 among the 1,907 with a school on file
- Record last updated2025 · 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 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 ophthalmology physician records list a practice address in Daly City
They are 24 of the 1,606 NPPES records with a practice address in Daly City, and 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Daly City → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Eleanor Becker, MDDaly City, CA 940151720166317
- Daniel Buckley, M.D.Daly City, CA 940151013916733
- Jennifer Diehn, MDDaly City, CA 940151295813798
- Michael Hee, MD PHDDaly City, CA 940151801891551
- Angela Kraft, MDDaly City, CA 940151770661316
- Bernd Kutzscher, M.D.Daly City, CA 940151891791133
- Susan Longar, M.D.Daly City, CA 940151578506960
- Barry McNamara, M.D.Daly City, CA 940151922006071
Common questions
What is Anh Diem Bui, MD's NPI number?
Anh Diem Bui, MD's National Provider Identifier (NPI) is 1558820811, issued on Mar 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Anh Diem Bui, MD located?
The NPPES record lists a practice address at 1850 Sullivan Ave Ste 540, Daly City, CA, 94015. Phone: (650) 755-6900. Providers update this record themselves, so call before visiting.
How can I verify Anh Diem Bui, MD's license?
NPPES lists California license number A181838, 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 Anh Diem Bui, MD prescribe under Medicare Part D?
In 2024, Anh Diem Bui, MD had 324 Medicare Part D claims for 125 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Anh Diem Bui, MD's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.