CHARLES EDWARD NGUYEN
NPI 1972716942
Chiropractor in Simi Valley, CA

Active since May 07, 2007Accepts Medicare Assignment
1424 MADERA RD, SIMI VALLEY, CA 93065(805) 522-5722(805) 915-4141 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Charles Edward Nguyen NPPES

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

CHARLES EDWARD NGUYEN (NPI 1972716942) is an individual chiropractor in Simi Valley, California, licensed in California (DC26110) and active in the NPI registry since May 2007. He is a graduate of Other (2005).

NPPES Registry Identity

NPI1972716942
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameCHARLES EDWARD NGUYEN
Location Address1424 MADERA RDSimi Valley, CA 93065-3053
Mailing Address1040 Flynn RdCamarillo, CA 93012-5092 · (805) 673-3930 · Fax (805) 659-3217
Fax(805) 915-4141
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMay 7, 2007
Last NPPES UpdateJune 12, 2025
NPPES CertifiedJune 12, 2025
✔ NPI 1972716942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · DC26110
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.
1424 MADERA RD, Simi Valley, CA 93065

Other Identifiers 1

MedicaidDC26110CA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charles Edward Nguyen is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537489349
PECOS Enrollment IDI20150519001460

Medicare Billing Reassignments

2

Medicare enrollment records show Charles Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
1424 MADERA RD
Simi Valley, CA 93065
  • Reassigned Medicare billing, California enrollment
  • 216 clinicians in this Medicare group
Physical Medicine & Rehabilitation
4835 VAN NUYS BLVD, SUITE 105
Sherman Oaks, CA 91403
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group

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 10

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

Social Worker (Clinical)
1424 MADERA RD
SIMI VALLEY, CA 93065
Physician Assistant
1424 MADERA RD
SIMI VALLEY, CA 93065
Nurse Practitioner (Family)
1424 MADERA RD
SIMI VALLEY, CA 93065
Dentist
1424 MADERA RD
SIMI VALLEY, CA 93065
Nurse Practitioner (Family)
1424 MADERA RD
SIMI VALLEY, CA 93065
Internal Medicine
1424 MADERA RD
SIMI VALLEY, CA 93065
Chiropractor
1424 MADERA RD
SIMI VALLEY, CA 93065
Clinic/Center (Federally Qualified Health Center (FQHC))
1424 MADERA RD
SIMI VALLEY, CA 93065

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 Charles Nguyen's NPI number?

The NPI number for Charles Nguyen is 1972716942. It was assigned to this individual provider in the NPPES registry on May 7, 2007.

Where is Charles Nguyen located?

Charles Nguyen practices at 1424 Madera Rd, Simi Valley, CA 93065. The listed phone number is (805) 522-5722.

What is Charles Nguyen's specialty?

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

Is Charles Nguyen enrolled in Medicare?

Yes. Charles Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Charles Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Nguyen reassigns Medicare benefits to 2 organizations: Clinicas Del Camino Real Inc (Simi Valley, CA) and Sherman Oaks Integrated Medical Group, Inc. (Sherman Oaks, CA). Each 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 Charles Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Nguyen accept?

Health plans from Providence Health Plan list Charles Nguyen 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 Charles Nguyen was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.