Brian Hong Chen, M.D.
Ophthalmology Physician · San Gabriel, CA
Brian Hong Chen, M.D. is an ophthalmology physician with a practice address in San Gabriel, California, and NPI 1952631632, issued on Jan 2, 2010. Check the license (California 127719, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brian Hong Chen
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 127719 CA
A127719 CA
TRN19262 FL
MT195228 PA
Self-reported in NPPES; status is on the state search - Practice location
- 207 S Santa Anita St Ste P25, San Gabriel, CA 91776
- Phone
- (626) 284-8448
- Enumerated
- Jan 2, 2010
- Record last updated
- Aug 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140723002578); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 207 S Santa Anita St Ste P25
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joni Lu, DOOphthalmology Physician1104110592
Verify Brian Hong Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 127719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.3 times the Medicare Part D claims of the average ophthalmology physician in 2024
9,607 Medicare Part D claims for 1,486 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Latanoprost2,642 claims
- Brimonidine Tartrate1,043 claims
- Prednisolone Acetate1,032 claims
- Dorzolamide-Timolol1,010 claims
- Ofloxacin1,003 claims
- Ketorolac Tromethamine998 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $452.98
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Retina Institute OF California Medical Group, A California Medical ParPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Hong Chen among 2,899 ophthalmology physician records in California
Brian Hong Chen, M.D. 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 2010, is newer than 74% of them.
- NPI issued2010 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2009 · median 2001 among the 1,907 with a school on file
- Record last updated2020 · 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).
8 ophthalmology physician records list a practice address in San Gabriel
They are 8 of the 762 NPPES records with a practice address in San Gabriel, and 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in San Gabriel → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ying Huang, M.D.San Gabriel, CA 917761487713061
- William Ko, M.D.San Gabriel, CA 917761548268873
- Richard Kratz, MD MPHSan Gabriel, CA 917761811988496
- Joni Lu, DOSan Gabriel, CA 917761104110592
- Frank Schiff, MDSan Gabriel, CA 917761205827193
- George Zhang, MDSan Gabriel, CA 917761922561554
- Diana Chao, MDSan Gabriel, CA 917751528320298
- Roger Chan, M.D.Rosemead, CA 917701104965375
Common questions
What is Brian Hong Chen, M.D.'s NPI number?
Brian Hong Chen, M.D.'s National Provider Identifier (NPI) is 1952631632, issued on Jan 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Brian Hong Chen, M.D. located?
The NPPES record lists a practice address at 207 S Santa Anita St Ste P25, San Gabriel, CA, 91776. Phone: (626) 284-8448. Providers update this record themselves, so call before visiting.
How can I verify Brian Hong Chen, M.D.'s license?
NPPES lists California license number 127719, 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 Brian Hong Chen, M.D. prescribe under Medicare Part D?
In 2024, Brian Hong Chen, M.D. had 9,607 Medicare Part D claims for 1,486 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Brian Hong Chen, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.