John L. Hall, MD
Internal Medicine Physician · San Francisco, CA
John L. Hall, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1861423600, issued on Jul 6, 2006. Check the license (California C50025, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John L. Hall
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C50025 CA
Self-reported in NPPES; status is on the state search - Practice location
- Sfo Medical Clinic San Francisco Intl Airport, San Francisco, CA 94125
- Phone
- (650) 821-5601
- Enumerated
- Jul 6, 2006
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (650) 821-5662
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify John L. Hall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C50025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John L. Hall among 17,696 internal medicine physician records in California
John L. Hall, 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 not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ross Quinn, MDSan Francisco, CA 941241871082602
- Richard Chin, M.D.San Francisco, CA 941271588825640
- Dawn Daniel, M.D.San Francisco, CA 941231700927837
- Steven Fugaro, M.D.San Francisco, CA 941231144291220
- Petia Kremen, MDSan Francisco, CA 941271861570418
- Joel Lopez, M.D.San Francisco, CA 941271376679910
- Neil Solomon, M.D.San Francisco, CA 941271861598450
- Mary Jean Stempien, M.D.San Francisco, CA 941271073734521
Common questions
What is John L. Hall, MD's NPI number?
John L. Hall, MD's National Provider Identifier (NPI) is 1861423600, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John L. Hall, MD located?
The NPPES record lists a practice address at Sfo Medical Clinic San Francisco Intl Airport, San Francisco, CA, 94125. Phone: (650) 821-5601. Providers update this record themselves, so call before visiting.
How can I verify John L. Hall, MD's license?
NPPES lists California license number C50025, 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.