GIDEON CHEN
NPI 1699542928
Chiropractor in Rancho Cucamonga, CA

Q: What is Gideon Chen's NPI number?

The NPI number for Gideon Chen is 1699542928. It was assigned to this individual provider in the NPPES registry on December 6, 2023.

Q: What is Gideon Chen'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 Gideon Chen was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 December 06, 2023

10399 FOOTHILL BLVD STE 104, RANCHO CUCAMONGA, CA 91730(909) 466-8800(909) 466-0088 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 27, 2026, Feb 3, 2025, Aug 20, 2024 and 1 more (4 updates tracked since 2023).

On this page

About Gideon Chen NPPES

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

GIDEON CHEN (NPI 1699542928) is an individual chiropractor in Rancho Cucamonga, California, licensed in California (36597) and active in the NPI registry since December 2023.

NPPES Registry Identity

NPI1699542928

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameGIDEON CHEN

Location Address10399 FOOTHILL BLVD STE 104Rancho Cucamonga, CA 91730-6957

Mailing Address10399 Foothill Blvd Ste 104Rancho Cucamonga, CA 91730-6957 · (909) 466-8800 · Fax (909) 466-0088

Phone(909) 466-8800

Fax(909) 466-0088

Sole ProprietorYes

Enumeration DateDecember 6, 2023

Last NPPES UpdateJuly 27, 20264 updates tracked since enumeration

NPPES CertifiedJuly 27, 2026

✔ NPI 1699542928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in CA · 36597

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.

10399 FOOTHILL BLVD STE 104, Rancho Cucamonga, CA 91730

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gideon Chen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Gideon Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gideon Chen Chiropractic Corp

Same address

Chiropractor

10399 FOOTHILL BLVD STE 104
Rancho Cucamonga, CA 91730

Reassigned Medicare billing, California enrollment

NPI 1982425625 (909) 227-2111

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHEN AND CHANG CHIROPRACTIC CORP

Chiropractor

10399 FOOTHILL BLVD STE 104
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 466-8800

GIDEON CHEN CHIROPRACTIC CORP

Chiropractor

10399 FOOTHILL BLVD STE 104
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 227-2111

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 Gideon Chen's NPI number?

The NPI number for Gideon Chen is 1699542928. It was assigned to this individual provider in the NPPES registry on December 6, 2023.

Where is Gideon Chen located?

Gideon Chen practices at 10399 Foothill Blvd Ste 104, Rancho Cucamonga, CA 91730. The listed phone number is (909) 466-8800.

What is Gideon Chen's specialty?

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

Is Gideon Chen enrolled in Medicare?

Yes. Gideon Chen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gideon Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gideon Chen reassigns Medicare benefits to Gideon Chen Chiropractic Corp (Rancho Cucamonga, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gideon Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gideon Chen accept?

Health plans from Providence Health Plan list Gideon Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gideon Chen was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.