Gideon Chen
NPI 1699542928 · Chiropractor · Walnut, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gideon Chen is a Chiropractor provider in Walnut, CA (NPI 1699542928).
Provider details
- NPI number
- 1699542928
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 36597 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-12-06
- Last updated
- 2025-02-03
- Certified
- 2025-02-03
Frequently asked questions
- What is Gideon Chen's NPI number?
- Gideon Chen's National Provider Identifier (NPI) is 1699542928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gideon Chen's specialty?
- Gideon Chen is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Gideon Chen located?
- Gideon Chen's practice location on file with NPPES is 20709 Golden Springs Dr Ste 104, Walnut, CA 91789-3847.
- What is Gideon Chen's phone number?
- The practice phone number listed in the NPPES registry for Gideon Chen is (626) 540-2050.
- Does Gideon Chen accept Medicare?
- Gideon Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gideon Chen's NPI active?
- Yes — Gideon Chen's NPI (1699542928) is active in the NPPES registry as of the last update on 2025-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.