NPPES file of Aug 9, 2026

Michael Alan Steinman, MD

Geriatric Medicine (Internal Medicine) Physician · San Francisco, CA

Michael Alan Steinman, MD is a geriatric medicine (internal medicine) physician with a practice address in San Francisco, California, and NPI 1124088240, issued on Mar 23, 2006. Check the license (California A66940, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124088240
Name
Michael Alan Steinman
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A66940 CA
Self-reported in NPPES; status is on the state search
Practice location
4150 Clement St, San Francisco, CA 94121
Phone
(415) 221-4810
Enumerated
Mar 23, 2006
Record last updated
Jul 10, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 750-6641
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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8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →

Also registered at 4150 Clement St

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

  1. Samantha Abram, BAPsychologist1326540436
  2. Gary Abrams, M.D.Physical Medicine & Rehabilitation Physician1346213246
  3. Anna Abramson, M.D.Internal Medicine Physician1346424785
  4. Alison Acerra, MS, RDRegistered Dietitian1992726848
  5. Sharon AdelsonCounselor1932467271
  6. Gary Agcaoili, C.T.R.SRecreation Therapist1649284019

Verify Michael Alan Steinman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A66940    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

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Michael Alan Steinman among 532 geriatric medicine (internal medicine) physician records in California

Michael Alan Steinman, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 46% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 532 in California → Every provider in San Francisco → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Anna Chang, M.D.San Francisco, CA 941211942313770
  2. Jessica Eng, MDSan Francisco, CA 941211831364603
  3. Frederick Fox, M.D.San Francisco, CA 941211497867469
  4. Godfrey Harper, M.D.San Francisco, CA 941211295794782
  5. Mary Anne Johnson, M.D.San Francisco, CA 941211902855067
  6. Sandra Moody Levin, MD, BSNSan Francisco, CA 941211255319406
  7. John Newman, M.D.,PH.D.San Francisco, CA 941211356676803
  8. Rebecca Sudore, M.D.San Francisco, CA 941211851371744

Common questions

What is Michael Alan Steinman, MD's NPI number?

Michael Alan Steinman, MD's National Provider Identifier (NPI) is 1124088240, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Alan Steinman, MD located?

The NPPES record lists a practice address at 4150 Clement St, San Francisco, CA, 94121. Phone: (415) 221-4810. Providers update this record themselves, so call before visiting.

How can I verify Michael Alan Steinman, MD's license?

NPPES lists California license number A66940, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.