NPPES file of Aug 9, 2026

Neil De Quant, DC

Chiropractor · Castro Valley, CA

Neil De Quant, DC is a chiropractor with a practice address in Castro Valley, California, and NPI 1821897125, issued on Mar 10, 2025. Check the license (California DC36178, as entered in NPPES) with the California board that licenses this profession; 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
1821897125
Name
Neil De Quant
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
DC36178 CA
Self-reported in NPPES; status is on the state search
Practice location
4626 Ewing RD, Castro Valley, CA 94546
Phone
(650) 302-2874
Enumerated
Mar 10, 2025
Record last updated
Mar 10, 2025
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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Verify Neil De Quant 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 DC36178
    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
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35 chiropractor records list a practice address in Castro Valley

They are 35 of the 999 NPPES records with a practice address in Castro Valley, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other chiropractor records in California

  1. Karl Aamot, D.C.Sunnyvale, CA1629296983
  2. Beth Aarhus, D.C.San Jose, CA1508832221
  3. Michael Aaron, D.C.Belmont, CA1679630735
  4. Thao AaronCorona, CA1821553926
  5. Marianne Abate-Beavers, DCRocklin, CA1124139431
  6. Dilojan Abayaratna, D.C.Los Angeles, CA1659312957
  7. Jordan Abbass, DCLong Beach, CA1275106528
  8. David Abblett, DCNapa, CA1275529398
  9. Bridget Abbott, DCDanville, CA1790508547
  10. Nicholas Abboud, DCMoreno Valley, CA1851134365

Common questions

What is Neil De Quant, DC's NPI number?

Neil De Quant, DC's National Provider Identifier (NPI) is 1821897125, issued on Mar 10, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Neil De Quant, DC located?

The NPPES record lists a practice address at 4626 Ewing RD, Castro Valley, CA, 94546. Phone: (650) 302-2874. Providers update this record themselves, so call before visiting.

How can I verify Neil De Quant, DC's license?

NPPES lists California license number DC36178, 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. 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.