Liam King, MD
Internal Medicine Physician · San Francisco, CA
Liam King, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1285374462, issued on Mar 29, 2022. Check the license (California A189642, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Liam King
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A189642 CA
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave RM M-1480, San Francisco, CA 94143
- Phone
- (415) 476-1528
- Enumerated
- Mar 29, 2022
- Record last updated
- Aug 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250627003864); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 505 Parnassus Ave RM M-1480
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Liam King in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189642Check 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
- Regents OF The University OF CaliforniaSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Liam King among 17,696 internal medicine physician records in California
Liam King, 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. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2022 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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.
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
- Nathan Bass, MDSan Francisco, CA 941431689638959
- Margaret Fang, MDSan Francisco, CA 941431417911462
- Katherine Julian, MDSan Francisco, CA 941431003879826
- John Kane, MDSan Francisco, CA 941431467416461
- Suneil Koliwad, M.D., PH.D.San Francisco, CA 941431225006687
- Bernard Lo, MDSan Francisco, CA 941431184688137
- Stephen McPhee, MDSan Francisco, CA 941431124082490
- Andrew Posselt, MDSan Francisco, CA 941431235193616
Common questions
What is Liam King, MD's NPI number?
Liam King, MD's National Provider Identifier (NPI) is 1285374462, issued on Mar 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Liam King, MD located?
The NPPES record lists a practice address at 505 Parnassus Ave RM M-1480, San Francisco, CA, 94143. Phone: (415) 476-1528. Providers update this record themselves, so call before visiting.
How can I verify Liam King, MD's license?
NPPES lists California license number A189642, 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.