DR. NEIL DE QUANT DC
NPI 1821897125
Chiropractor in Castro Valley, CA

Q: What is Neil De Quant's NPI number?

The NPI number for Neil De Quant is 1821897125. It was assigned to this individual provider in the NPPES registry on March 10, 2025.

Q: What is Neil De Quant's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Q: When was this NPI record last updated?

The NPPES record for Neil De Quant was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 10, 2025

4626 EWING RD, CASTRO VALLEY, CA 94546(650) 302-2874 Get Directions Write a Review

NPPES record last updated: March 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Neil De Quant Dc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NEIL DE QUANT DC (NPI 1821897125) is an individual chiropractor in Castro Valley, California, licensed in California (DC36178) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1821897125

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. NEIL DE QUANTCredential: DC

Location Address4626 EWING RDCastro Valley, CA 94546-1016

Mailing Address4626 Ewing RdCastro Valley, CA 94546-1016

Phone(650) 302-2874

Sole ProprietorNo

Enumeration DateMarch 10, 2025

NPPES CertifiedMarch 10, 2025

✔ NPI 1821897125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in CA · DC36178

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

4626 EWING RD, Castro Valley, CA 94546

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Neil De Quant's NPI number?

The NPI number for Neil De Quant is 1821897125. It was assigned to this individual provider in the NPPES registry on March 10, 2025.

Where is Neil De Quant located?

Neil De Quant practices at 4626 Ewing Rd, Castro Valley, CA 94546. The listed phone number is (650) 302-2874.

What is Neil De Quant's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for Neil De Quant was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.