Mai Shimada, M.D.
Emergency Medicine Physician · San Francisco, CA
Mai Shimada, M.D. is an emergency medicine physician with a practice address in San Francisco, California, and NPI 1316289523, issued on Mar 26, 2013. Check the license (California A144057, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mai Shimada
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A144057 CA
Self-reported in NPPES; status is on the state search - Practice location
- 845 Jackson St, San Francisco, CA 94133
- Phone
- (415) 677-2300
- Enumerated
- Mar 26, 2013
- Record last updated
- Apr 6, 2026
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 845 Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jack Bertman, M.D.Emergency Medicine Physician1891777967
- Michael Bogner, MDEmergency Medicine Physician1235279134
- Jingyan Chen, PHARMDPharmacist1255154472
- Irwin Chow, MDAnesthesiology Physician1184637530
- Ivan Cometa, M.D.Emergency Medicine Physician1437530706
- Roger Eng, MDDiagnostic Radiology Physician1871607291
Verify Mai Shimada in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A144057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 80.7 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).
Mai Shimada among 7,751 emergency medicine physician records in California
Mai Shimada, M.D. is one of 7,751 emergency 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 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Francisco → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jack Bertman, M.D.San Francisco, CA 941331891777967
- Michael Bogner, MDSan Francisco, CA 941331235279134
- Ivan Cometa, M.D.San Francisco, CA 941331437530706
- Michael O'Connor, MDSan Francisco, CA 941331326188228
- David Rossi, M.D.San Francisco, CA 941331588614077
- Becky SchmitzSan Francisco, CA 941331699817973
- Michael Shafer, MDSan Francisco, CA 941331417097312
- Joseph Woo, MDSan Francisco, CA 941331366584658
Common questions
What is Mai Shimada, M.D.'s NPI number?
Mai Shimada, M.D.'s National Provider Identifier (NPI) is 1316289523, issued on Mar 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mai Shimada, M.D. located?
The NPPES record lists a practice address at 845 Jackson St, San Francisco, CA, 94133. Phone: (415) 677-2300. Providers update this record themselves, so call before visiting.
How can I verify Mai Shimada, M.D.'s license?
NPPES lists California license number A144057, 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.
What is Mai Shimada, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.7 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.