NPPES file of Aug 9, 2026

Jeffrey Brown, MD

Geriatric Medicine (Family Medicine) Physician · Los Gatos, CA

Jeffrey Brown, MD is a geriatric medicine (family medicine) physician with a practice address in Los Gatos, California, and NPI 1902815657, issued on Aug 5, 2006. Check the license (California G21361, 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
1902815657
Name
Jeffrey Brown
Credential
MD
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License number
G21361 CA
Self-reported in NPPES; status is on the state search
Practice location
110 Wood RD, Los Gatos, CA 95030
Phone
(408) 998-5811
Enumerated
Aug 5, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 (family medicine) physician records → All 243 in California → Look up another NPI →

Verify Jeffrey Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G21361    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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Jeffrey Brown among 243 geriatric medicine (family medicine) physician records in California

Jeffrey Brown, MD is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 53% newer
  • In a Medicare fileNo · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2007 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X 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 (Family Medicine) Physician providers in California

There are 243 geriatric medicine (family medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 243 in California → Every provider in Los Gatos → Geriatric Medicine (Family Medicine) Physician nationwide →

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

  1. Maria Delie Jumagdao-Sakai, M.D.Gilroy, CA 950201205025996
  2. Kwok Hung, M.D.Cupertino, CA 950141700924388
  3. Christian Negard, M.D.Santa Cruz, CA 950621356395826
  4. Sidney Mitchell, MDWatsonville, CA 950761518027630
  5. Christopher O'Grady, M.D.Watsonville, CA 950761861474306
  6. Basil Hamblin, MDPoint Reyes Station, CA 949561114095106
  7. Leah Rorvig, M.D., M.S.Petaluma, CA 949541093126856
  8. Michael Fox, MDMill Valley, CA 949411225027709

Common questions

What is Jeffrey Brown, MD's NPI number?

Jeffrey Brown, MD's National Provider Identifier (NPI) is 1902815657, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Brown, MD located?

The NPPES record lists a practice address at 110 Wood RD, Los Gatos, CA, 95030. Phone: (408) 998-5811. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Brown, MD's license?

NPPES lists California license number G21361, 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.