John Su, MD
Emergency Medicine Physician · Stanford, CA
John Su, MD is an emergency medicine physician with a practice address in Stanford, California, and NPI 1437735289, issued on Mar 22, 2021. Check the license (California A195393, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Su
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A195393 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Mar 22, 2021
- Record last updated
- Aug 1, 2025
- Medicare enrollment
- Enrolled (PECOS I20240813003596); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
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Verify John Su in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A195393Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Su among 7,751 emergency medicine physician records in California
John Su, MD 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 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2011 among the 4,560 with a school on file
- Record last updated2025 · 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).
163 emergency medicine physician records list a practice address in Stanford
They are 163 of the 5,606 NPPES records with a practice address in Stanford, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Stanford → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Milana Boukhman, MDStanford, CA 943051902863210
- Ian Brown, MDStanford, CA 943051851320451
- Ian Ferguson, D.O.Stanford, CA 943051265495345
- Marc Gautreau, MDStanford, CA 943051932182185
- David Ghilarducci, MDStanford, CA 943051861435661
- Michael Gisondi, MDStanford, CA 943051659317121
- Prasanthi Govindarajan, MDStanford, CA 943051205879517
- Grant Lipman, M.DStanford, CA 943051255374005
Common questions
What is John Su, MD's NPI number?
John Su, MD's National Provider Identifier (NPI) is 1437735289, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is John Su, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify John Su, MD's license?
NPPES lists California license number A195393, 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.
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.