NPPES file of Aug 9, 2026

John C. Furman, M.D.

Psychiatry Physician · Redwood City, CA

John C. Furman, M.D. is a psychiatry physician with a practice address in Redwood City, California, and NPI 1639251697, issued on Oct 19, 2006. Check the license (California A699873, 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
1639251697
Name
John C. Furman
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A699873 CA
Self-reported in NPPES; status is on the state search
Practice location
802 Brewster Ave, Redwood City, CA 94063
Phone
(650) 363-4111
Enumerated
Oct 19, 2006
Record last updated
Jan 11, 2022
Medicaid ID
00A699830 CA
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 psychiatry physician records → All 8,673 in California → Look up another NPI →

Also registered at 802 Brewster Ave

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

  1. Devin AceretDay Training/Habilitation Specialist1497052161
  2. Evelyn Alarcon, MDPsychiatry Physician1386873610
  3. Elizabeth AlvarezMarriage & Family Therapist1598881674
  4. Nicole ArenasCommunity Health Worker1205341179
  5. Deborah Ballon, RNCommunity Health Registered Nurse1033244306
  6. Kristal Belcastro, RN, MSNRegistered Nurse1003121997

Verify John C. Furman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A699873    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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John C. Furman among 8,673 psychiatry physician records in California

John C. Furman, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 67% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,673 in California → Every provider in Redwood City → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Anil Assudani, M.D,Redwood City, CA 940631497753909
  2. Gary Bozzini, MDRedwood City, CA 940631871671461
  3. Jason Bromley, MDRedwood City, CA 940631598835142
  4. Sarah Carey, MDRedwood City, CA 940631164509345
  5. Bradford Crowell, MDRedwood City, CA 940631457439077
  6. John Herbert, MDRedwood City, CA 940631396775870
  7. Valerie Herman, MDRedwood City, CA 940631164500724
  8. Robert Reisfeld, MDRedwood City, CA 940631982782579

Common questions

What is John C. Furman, M.D.'s NPI number?

John C. Furman, M.D.'s National Provider Identifier (NPI) is 1639251697, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John C. Furman, M.D. located?

The NPPES record lists a practice address at 802 Brewster Ave, Redwood City, CA, 94063. Phone: (650) 363-4111. Providers update this record themselves, so call before visiting.

How can I verify John C. Furman, M.D.'s license?

NPPES lists California license number A699873, 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.