Registry data as of Aug 27, 2026

Samuel Adams, MD

Internal Medicine Physician · Greenbrae, CA

Samuel Adams, MD is an internal medicine physician with a practice address in Greenbrae, California, and NPI 1497785034, issued on Jul 3, 2006. Check the license (California A92958, 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 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1497785034
Name
Samuel Adams
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A92958 CA
227476 NY
Self-reported in NPPES; status is on the state search
Practice location
250 Bon Air RD, Greenbrae, CA 94904
Phone
(415) 925-4000
Enumerated
Jul 3, 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 250 Bon Air RD

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

  1. Lisa Abrahams, MFTMarriage & Family Therapist1184738445
  2. Jory Adam, PA-CSurgical Physician Assistant1922269521
  3. Barbara Addleman, RNRegistered Nurse1053551267
  4. Linda Alexander, RNPsychiatric/Mental Health Registered Nurse1205589405
  5. Maxwell AlikinneyCounselor1538668728
  6. Hilary Allair, CNMAdvanced Practice Midwife1194337451

Verify Samuel Adams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A92958
    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 →

Industry payments in 2024: $69.11

2 payments, mostly food and beverage; the largest payer was Stryker Corporation. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Samuel Adams$69.11
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Galen Inpatient Physicians PCVictorville, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

28 internal medicine physician records list a Greenbrae practice address

They are 28 of the 727 NPPES records with a Greenbrae practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Samuel Adams, MD's NPI number?

Samuel Adams, MD's National Provider Identifier (NPI) is 1497785034, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Adams, MD located?

The NPPES record lists a practice address at 250 Bon Air RD, Greenbrae, CA, 94904. Phone: (415) 925-4000. Providers update this record themselves, so call before visiting.

How can I verify Samuel Adams, MD's license?

NPPES lists California license number A92958, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.