William John Russell O'Neill, DC
NPI 1407596976 · Chiropractor · Loveland, CO
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William John Russell O'Neill, DC is a Chiropractor provider in Loveland, CO (NPI 1407596976).
Provider details
- NPI number
- 1407596976
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- Yes
- License
- CHR.0002264 (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
4 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
- 2022-03-31
- Last updated
- 2022-03-31
- Certified
- 2022-03-19
Frequently asked questions
- What is William John Russell O'Neill's NPI number?
- William John Russell O'Neill's National Provider Identifier (NPI) is 1407596976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William John Russell O'Neill's specialty?
- William John Russell O'Neill is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is William John Russell O'Neill located?
- William John Russell O'Neill's practice location on file with NPPES is 1587 Taurus Court, Loveland, CO 80537.
- What is William John Russell O'Neill's phone number?
- The practice phone number listed in the NPPES registry for William John Russell O'Neill is (970) 430-5756.
- Does William John Russell O'Neill accept Medicare?
- William John Russell O'Neill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William John Russell O'Neill's NPI active?
- Yes — William John Russell O'Neill's NPI (1407596976) is active in the NPPES registry as of the last update on 2022-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.