Harold Fong, M.D.
Anesthesiology Physician · South San Francisco, CA
Harold Fong, M.D. is an anesthesiology physician with a practice address in South San Francisco, California, and NPI 1427262203, issued on May 10, 2007. Check the license (California A99628, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Harold Fong
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A99628 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 EL Camino Real, South San Francisco, CA 94080
- Phone
- (650) 742-2030
- Enumerated
- May 10, 2007
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090930000573); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1200 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Harold Fong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harold Fong among 7,571 anesthesiology physician records in California
Harold Fong, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 43% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2005 · median 2006 among the 4,868 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 anesthesiology physician records list a practice address in South San Francisco
They are 13 of the 1,173 NPPES records with a practice address in South San Francisco, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in South San Francisco → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Madeleine Bibat, MDSouth San Francisco, CA 940801861570400
- Kenneth Chen, MDSouth San Francisco, CA 940801518045160
- Michael DoSouth San Francisco, CA 940801992199954
- Ross Dykstra, MDSouth San Francisco, CA 940801316025919
- Jack Jeng, MDSouth San Francisco, CA 940801174917207
- Tin-Na Kan, MDSouth San Francisco, CA 940801932287554
- Shahnaz Koegler, MDSouth San Francisco, CA 940801730267345
- Daniel Kong, MDSouth San Francisco, CA 940801225116833
Common questions
What is Harold Fong, M.D.'s NPI number?
Harold Fong, M.D.'s National Provider Identifier (NPI) is 1427262203, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Harold Fong, M.D. located?
The NPPES record lists a practice address at 1200 EL Camino Real, South San Francisco, CA, 94080. Phone: (650) 742-2030. Providers update this record themselves, so call before visiting.
How can I verify Harold Fong, M.D.'s license?
NPPES lists California license number A99628, 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.