NPPES file of Aug 9, 2026

David Irvin Dufour, D.C.

Chiropractor · San Leandro, CA

David Irvin Dufour, D.C. is a chiropractor with a practice address in San Leandro, California, and NPI 1659637999, issued on Apr 10, 2012. Check the license (California 32251, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1659637999
Name
David Irvin Dufour
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
32251 CA
Self-reported in NPPES; status is on the state search
Practice location
585 Dowling Blvd, San Leandro, CA 94577
Phone
(510) 346-0711
Enumerated
Apr 10, 2012
Record last updated
Apr 10, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(510) 346-0717
Medicare enrollment
Enrolled (PECOS I20130325000203); accepts Medicare assignment
Medical or professional school
Life Chiropractic College - West, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 585 Dowling Blvd

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

  1. Ahmed Saleh, DCChiropractor1144925470

Verify David Irvin Dufour in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 32251
    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
Find 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.

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Bills Medicare through one group practice

  1. Bay Area Community HealthSan Jose, CA

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

David Irvin Dufour among 11,498 chiropractor records in California

David Irvin Dufour, D.C. is one of 11,498 chiropractor records with a practice address in California. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 69% of them.

  • NPI issued2012 · 69% of these records are older, 28% newer
  • In a Medicare fileYes · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated2011 · median 1999 among the 2,907 with a school on file
  • Record last updated2012 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Chiropractor providers in California

There are 11,498 chiropractor records in California.

The 8 chiropractor records with the nearest ZIP codes

  1. Leonard Cannone, D.C.San Leandro, CA 945771073623146
  2. John Daniels, D.C.San Leandro, CA 945771336352186
  3. Judy Day, DCSan Leandro, CA 945771558447011
  4. Jerry Elliott, D.C.San Leandro, CA 945771639383052
  5. Amy Lee, D.C.San Leandro, CA 945771083763452
  6. Christopher Macchesney, D.C.San Leandro, CA 945771487866018
  7. Maria Manibog, DCSan Leandro, CA 945771831277953
  8. Carlos Martin, D.C.San Leandro, CA 945771760583694

Common questions

What is David Irvin Dufour, D.C.'s NPI number?

David Irvin Dufour, D.C.'s National Provider Identifier (NPI) is 1659637999, issued on Apr 10, 2012. An NPI identifies a provider in billing; it is not a license.

Where is David Irvin Dufour, D.C. located?

The NPPES record lists a practice address at 585 Dowling Blvd, San Leandro, CA, 94577. Phone: (510) 346-0711. Providers update this record themselves, so call before visiting.

How can I verify David Irvin Dufour, D.C.'s license?

NPPES lists California license number 32251, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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 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.