Martin F. Ernster, M.D.
Pediatrics Physician · San Francisco, CA
Martin F. Ernster, M.D. is a pediatrics physician with a practice address in San Francisco, California, and NPI 1013066018, issued on Jan 9, 2007. Check the license (California G39501, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Martin F. Ernster
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- G39501 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3641 California St, San Francisco, CA 94118
- Phone
- (415) 668-0888
- Enumerated
- Jan 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 752-5391
- Entity
- Type 1 · individual
Also registered at 3641 California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eileen Aicardi, M.D.Pediatrics Physician1619033057
- Lisa Dana, M.D.Pediatrics Physician1467518647
- William Gonda, M.D.Pediatrics Physician1730245176
- Dawn Jha, M.D.Pediatrics Physician1245396548
- Mary Piel, M.D.Pediatrics Physician1477619823
- Laurel Schultz, M.D.Pediatrics Physician1891851150
Verify Martin F. Ernster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G39501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
514 pediatrics physician records list a practice address in San Francisco
They are 514 of the 38,143 NPPES records with a practice address in San Francisco, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 514 in San Francisco → All 9,272 in California → Every provider in San Francisco →
Other pediatrics physician records in California
- Subha Aahlad, M.D.Foster City, CA1780610253
- Rebecca Aaronson, MDPanorama City, CA1487746814
- Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
- Michelle Abajian, MDLa Canada, CA1619176757
- Joseph Abapo, MDRiverside, CA1841348786
- Zvart Abaryan, MDLos Angeles, CA1154940849
- Lauren Abbas, MDLos Angeles, CA1982163796
- Attia Abbasi, M.D.Auburn, CA1922027127
- Denise AbbasiParadise, CA1770062341
- Alexandra Abbott, MDPalo Alto, CA1760018675
Common questions
What is Martin F. Ernster, M.D.'s NPI number?
Martin F. Ernster, M.D.'s National Provider Identifier (NPI) is 1013066018, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Martin F. Ernster, M.D. located?
The NPPES record lists a practice address at 3641 California St, San Francisco, CA, 94118. Phone: (415) 668-0888. Providers update this record themselves, so call before visiting.
How can I verify Martin F. Ernster, M.D.'s license?
NPPES lists California license number G39501, 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. 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.