Charles Nguyen
NPI 1972716942 · Chiropractor · Simi Valley, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Nguyen is a Chiropractor provider in Simi Valley, CA (NPI 1972716942).
Provider details
- NPI number
- 1972716942
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Sex
- Male
- Sole proprietor
- No
- License
- DC26110 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$108 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2025-06-12
- Certified
- 2025-06-12
Frequently asked questions
- What is Charles Nguyen's NPI number?
- Charles Nguyen's National Provider Identifier (NPI) is 1972716942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Nguyen's specialty?
- Charles Nguyen is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Charles Nguyen located?
- Charles Nguyen's practice location on file with NPPES is 1424 Madera Rd, Simi Valley, CA 93065-3053.
- What is Charles Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Charles Nguyen is (805) 522-5722.
- Does Charles Nguyen accept Medicare?
- Charles Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Nguyen's NPI active?
- Yes — Charles Nguyen's NPI (1972716942) is active in the NPPES registry as of the last update on 2025-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.