Brian J. Chang, M.D.
Ophthalmology Physician · Mission Hills, CA
Brian J. Chang, M.D. is an ophthalmology physician with a practice address in Mission Hills, California, and NPI 1629335567, issued on Apr 17, 2012. Check the license (California A128360, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brian J. Chang
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A128360 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11333 Sepulveda Blvd, Mission Hills, CA 91345
- Phone
- (818) 365-9531
- Enumerated
- Apr 17, 2012
- Record last updated
- Jan 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20160621002924); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 11333 Sepulveda Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brian J. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A128360Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average ophthalmology physician in 2024
2,938 Medicare Part D claims for 757 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Latanoprost815 claims
- Prednisolone Acetate336 claims
- Ketorolac Tromethamine301 claims
- Brimonidine Tartrate286 claims
- Moxifloxacin266 claims
- Dorzolamide-Timolol155 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: $40.94
2 payments; by number, the most common kind was food and beverage; the largest payer was TG Therapeutics, 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
- Providence Facey Medical FoundationMission Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian J. Chang among 2,899 ophthalmology physician records in California
Brian J. Chang, 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 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2001 among the 1,907 with a school on file
- Record last updated2024 · 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).
9 ophthalmology physician records list a practice address in Mission Hills
They are 9 of the 731 NPPES records with a practice address in Mission Hills, and 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Mission Hills → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Danny Kim, M.D.Mission Hills, CA 913451700076551
- Michael Lynch, MDMission Hills, CA 913451467468462
- Derek Mai, M.D.Mission Hills, CA 913451386051423
- Steven Rauchman, M.D.Mission Hills, CA 913451497707384
- Kayur Shah, MD.Mission Hills, CA 913451215943253
- Robert Smyth-Medina, M.D.Mission Hills, CA 913451073565560
- Adam Tanaka, MD, MPH, MSMission Hills, CA 913451902434244
- Maggie Wei, M.D.Mission Hills, CA 913451730614215
Common questions
What is Brian J. Chang, M.D.'s NPI number?
Brian J. Chang, M.D.'s National Provider Identifier (NPI) is 1629335567, issued on Apr 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Brian J. Chang, M.D. located?
The NPPES record lists a practice address at 11333 Sepulveda Blvd, Mission Hills, CA, 91345. Phone: (818) 365-9531. Providers update this record themselves, so call before visiting.
How can I verify Brian J. Chang, M.D.'s license?
NPPES lists California license number A128360, 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 J. Chang, M.D. prescribe under Medicare Part D?
In 2024, Brian J. Chang, M.D. had 2,938 Medicare Part D claims for 757 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.