Matilda Chan, M.D., PH.D.
Ophthalmology Physician · San Francisco, CA
Matilda Chan, M.D., PH.D. is an ophthalmology physician with a practice address in San Francisco, California, and NPI 1245334606, issued on Sep 7, 2006. Check the license (California A95474, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matilda Chan
- Credential
- M.D., PH.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A95474 CA
Self-reported in NPPES; status is on the state search - Practice location
- 95 Kirkham St, San Francisco, CA 94143
- Phone
- (415) 476-1442
- Enumerated
- Sep 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 502-2521
- Medicare enrollment
- Enrolled (PECOS I20061226000167); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 95 Kirkham St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Lietman, M.D.Ophthalmology Physician1932219292
- Ira Wong, M.D.Ophthalmology Physician1194734715
Verify Matilda Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A95474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,151 Medicare Part D claims for 290 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Latanoprost290 claims
- Dorzolamide-Timolol94 claims
- Brimonidine Tartrate90 claims
- Dorzolamide Hcl75 claims
- Timolol Maleate72 claims
- Prednisolone Acetate63 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): 91.9 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: $217.45
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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 3 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- Ucsf Medical Group Business ServicesSan Francisco, CA
- University OF California Sfgh Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matilda Chan among 2,899 ophthalmology physician records in California
Matilda Chan, M.D., PH.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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2002 · median 2001 among the 1,907 with a school on file
- Record last updated2007 · 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).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in San Francisco → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Nisha Acharya, M.D.San Francisco, CA 941431972544872
- Robert Bhisitkul, MDSan Francisco, CA 941431831138676
- Joseph Crawford, MDSan Francisco, CA 941431831141712
- Eugene De Juan, MDSan Francisco, CA 941431043262074
- Jacque Duncan, MDSan Francisco, CA 941431942252978
- Allan Flach, MDSan Francisco, CA 941431043261134
- Jonathan Horton, MDSan Francisco, CA 941431992757363
- David Hwang, MDSan Francisco, CA 941431346292224
Common questions
What is Matilda Chan, M.D., PH.D.'s NPI number?
Matilda Chan, M.D., PH.D.'s National Provider Identifier (NPI) is 1245334606, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matilda Chan, M.D., PH.D. located?
The NPPES record lists a practice address at 95 Kirkham St, San Francisco, CA, 94143. Phone: (415) 476-1442. Providers update this record themselves, so call before visiting.
How can I verify Matilda Chan, M.D., PH.D.'s license?
NPPES lists California license number A95474, 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 Matilda Chan, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Matilda Chan, M.D., PH.D. had 1,151 Medicare Part D claims for 290 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Matilda Chan, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 91.9 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.