Sarah Mun Yee Chan, MD
Internal Medicine Physician · Santa Monica, CA
Sarah Mun Yee Chan, MD is an internal medicine physician with a practice address in Santa Monica, California, and NPI 1033670815, issued on Mar 26, 2019. Check the license (California PTL1241, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sarah Mun Yee Chan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- PTL1241 CA
A178848 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1250 16TH St # C2304, Santa Monica, CA 90404
- Phone
- (310) 319-4698
- Enumerated
- Mar 26, 2019
- Record last updated
- Nov 13, 2023
- Medicare enrollment
- Enrolled (PECOS I20220531001436); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1250 16TH St # C2304
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah Mun Yee Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license PTL1241Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
145 Medicare Part D claims for 55 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Pantoprazole Sodium12 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): 86.1 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).
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Mun Yee Chan among 17,696 internal medicine physician records in California
Sarah Mun Yee Chan, MD is one of 17,696 internal medicine 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 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2019 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 internal medicine physician records list a practice address in Santa Monica
They are 168 of the 5,151 NPPES records with a practice address in Santa Monica, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Monica → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Ashley, MDSanta Monica, CA 904041780628487
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- Glenn Gorlitsky, M.D.Santa Monica, CA 904041881625143
- Oscar Hernandez, M.D.Santa Monica, CA 904041699706952
- Mark McGowan, MDSanta Monica, CA 904041720015902
- Alex Messina, MDSanta Monica, CA 904041902867823
- Mark Nachman, MDSanta Monica, CA 904041104803683
Common questions
What is Sarah Mun Yee Chan, MD's NPI number?
Sarah Mun Yee Chan, MD's National Provider Identifier (NPI) is 1033670815, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Mun Yee Chan, MD located?
The NPPES record lists a practice address at 1250 16TH St # C2304, Santa Monica, CA, 90404. Phone: (310) 319-4698. Providers update this record themselves, so call before visiting.
How can I verify Sarah Mun Yee Chan, MD's license?
NPPES lists California license number PTL1241, 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 Sarah Mun Yee Chan, MD prescribe under Medicare Part D?
In 2024, Sarah Mun Yee Chan, MD had 145 Medicare Part D claims for 55 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Sarah Mun Yee Chan, MD's MIPS final score?
The 2023 MIPS final score is 86.1 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.