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Nathan James
NPI 1871391243 · Chiropractor · Fontana, CA
Nathan James is a Chiropractor provider in Fontana, CA (NPI 1871391243).
Provider details
- NPI number
- 1871391243
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Sex
- Male
- Sole proprietor
- No
- License
- DC37230 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
9019 Sierra Ave
Fontana, CA 92335-4706
Phone: (909) 815-9632
Street-level locationGet directions
Mailing address
9350 the Resort Pkwy Unit 7332
Rancho Cucamonga, CA 91730-9253
Registry dates
- Enumerated
- 2025-03-03
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is Nathan James's NPI number?
- Nathan James's National Provider Identifier (NPI) is 1871391243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan James's specialty?
- Nathan James is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Nathan James located?
- Nathan James's practice location on file with NPPES is 9019 Sierra Ave, Fontana, CA 92335-4706.
- What is Nathan James's phone number?
- The practice phone number listed in the NPPES registry for Nathan James is (909) 815-9632.
- Is Nathan James's NPI active?
- Yes — Nathan James's NPI (1871391243) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.