Nathan Irwin, D.C.
NPI 1841210879 · Chiropractor · Fort Collins, CO
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Irwin, D.C. is a Chiropractor provider in Fort Collins, CO (NPI 1841210879).
Provider details
- NPI number
- 1841210879
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- 5759 (CO)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-20
- Last updated
- 2014-01-09
Frequently asked questions
- What is Nathan Irwin's NPI number?
- Nathan Irwin's National Provider Identifier (NPI) is 1841210879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Irwin's specialty?
- Nathan Irwin is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Nathan Irwin located?
- Nathan Irwin's practice location on file with NPPES is 2531 S Shields St Ste 2h, Fort Collins, CO 80526-1857.
- What is Nathan Irwin's phone number?
- The practice phone number listed in the NPPES registry for Nathan Irwin is (970) 472-8333.
- Does Nathan Irwin accept Medicare?
- Nathan Irwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Irwin's NPI active?
- Yes — Nathan Irwin's NPI (1841210879) is active in the NPPES registry as of the last update on 2014-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.