Registry data as of Aug 27, 2026

Jonathan Alexander, MD

Hospitalist Physician · San Francisco, CA

Jonathan Alexander, MD is a hospitalist physician with a practice address in San Francisco, California, and NPI 1811075450, issued on Nov 1, 2006. Check the license (California A80964, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1811075450
Name
Jonathan Alexander
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
A80964 CA
Self-reported in NPPES; status is on the state search
Practice location
2200 Ofarrell St, San Francisco, CA 94115
Phone
(415) 833-2000
Enumerated
Nov 1, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2200 Ofarrell St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Luba Abascal, MDInternal Medicine Physician1023180874
  2. Mitchell Adachi, MDAnatomic Pathology Physician1720166366
  3. Lesley Aiken, MDInternal Medicine Physician1629156120
  4. Gabull Alhadhrami, NPAcute Care Nurse Practitioner1427124098
  5. Bryan Andrews, MDAnesthesiology Physician1609954239
  6. Elizabeth Andrews, MDHospitalist Physician1023196631

Verify Jonathan Alexander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A80964
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Bills Medicare through one group practice

  1. Permanente Medical Group IncSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

Other hospitalist physician records in California

  1. Zina Abbas, M.D.Chula Vista, CA1962799189
  2. Abdul Abdali, M.D.French Camp, CA1104319771
  3. Michael Abdel-Malek, MDDublin, CA1952388852
  4. Amr Abdelaty, MDWoodland, CA1962996348
  5. Anwar Abdelhadi, M.D.Orange, CA1093784191
  6. Farid Abdelmalak, M.D.Santa Monica, CA1912392937
  7. Elijah AbdelmeseehLong Beach, CA1346827631
  8. Homayoun Abdollahzadeh, M.D.Rancho Mirage, CA1871802454
  9. Wajidah Abdul-KhabirDuarte, CA1215323522
  10. Rizwana Abdullah, MDRoseville, CA1194899401

Common questions

What is Jonathan Alexander, MD's NPI number?

Jonathan Alexander, MD's National Provider Identifier (NPI) is 1811075450, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Alexander, MD located?

The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Alexander, MD's license?

NPPES lists California license number A80964, 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), loaded Aug 27, 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) 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 27, 2026.