Ari Hoffman
Hospitalist Physician · San Francisco, CA
Ari Hoffman is a hospitalist physician with a practice address in San Francisco, California, and NPI 1346566221, issued on Apr 16, 2010. Check the license (California A120766, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ari Hoffman
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A120766 CA
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-1528
- Enumerated
- Apr 16, 2010
- Record last updated
- Nov 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 505 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ari Hoffman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ari Hoffman among 3,099 hospitalist physician records in California
Ari Hoffman is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 2010, is newer than 44% of them.
- NPI issued2010 · 44% of these records are older, 53% newer
- In a Medicare fileNo · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 81% of these records are
- Record last updated2016 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,099 in California → Every provider in San Francisco → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Seth Blumberg, MD PHDSan Francisco, CA 941431255595443
- Robertino Garcia Cortes, MDSan Francisco, CA 941431770872590
- Robin Goldman, MD, MPHSan Francisco, CA 941431033439906
- Win Han, MDSan Francisco, CA 941431619110384
- Alison Kuchta, M.D.San Francisco, CA 941431063704963
- Andrew Lai, M.D.San Francisco, CA 941431861666281
- Khoa Lam, M.D.San Francisco, CA 941431801114095
- Rebecca Nessel, MDSan Francisco, CA 941431861439085
Common questions
What is Ari Hoffman's NPI number?
Ari Hoffman's National Provider Identifier (NPI) is 1346566221, issued on Apr 16, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ari Hoffman located?
The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-1528. Providers update this record themselves, so call before visiting.
How can I verify Ari Hoffman's license?
NPPES lists California license number A120766, 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.