Katherine Maw Chan, MD
Family Medicine Physician · San Francisco, CA
Katherine Maw Chan, MD is a family medicine physician with a practice address in San Francisco, California, and NPI 1073253027, issued on Mar 29, 2022. Check the license (California A189462, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katherine Maw Chan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A189462 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1560 Sloat Blvd Ste 333, San Francisco, CA 94132
- Phone
- (415) 353-9339
- Enumerated
- Mar 29, 2022
- Record last updated
- Jun 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20250703001734); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2022
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1560 Sloat Blvd Ste 333
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Erin Walsh, MDFamily Medicine Physician1851978522
Verify Katherine Maw Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189462Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
64 Medicare Part D claims, against an average of 3,544 among the 117,163 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.
Bills Medicare through one group practice
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Maw Chan among 17,133 family medicine physician records in California
Katherine Maw Chan, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2022 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Julie Brichard, M.DSan Francisco, CA 941321528440237
- Emilia De Marchis, MD, MASSan Francisco, CA 941321962814327
- Clarrissa Kripke, MDSan Francisco, CA 941321417905209
- Melody Lee, MDSan Francisco, CA 941321710017298
- Tenessa Mackenzie, MDSan Francisco, CA 941321508090887
- Anthony Mrgudich, M.D.San Francisco, CA 941321124358635
- Mukund Premkumar, MDSan Francisco, CA 941321477940997
- Teresa Rebeiro, MDSan Francisco, CA 941321700855400
Common questions
What is Katherine Maw Chan, MD's NPI number?
Katherine Maw Chan, MD's National Provider Identifier (NPI) is 1073253027, issued on Mar 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Maw Chan, MD located?
The NPPES record lists a practice address at 1560 Sloat Blvd Ste 333, San Francisco, CA, 94132. Phone: (415) 353-9339. Providers update this record themselves, so call before visiting.
How can I verify Katherine Maw Chan, MD's license?
NPPES lists California license number A189462, 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 Katherine Maw Chan, MD prescribe under Medicare Part D?
In 2024, Katherine Maw Chan, MD had 64 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.