Daniel O'Connor, D.C.
NPI 1164508602 · Chiropractor · Tinley Park, IL
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel O'Connor, D.C. is a Chiropractor provider in Tinley Park, IL (NPI 1164508602).
Provider details
- NPI number
- 1164508602
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
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
83% 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
- 2006-10-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Daniel O'Connor's NPI number?
- Daniel O'Connor's National Provider Identifier (NPI) is 1164508602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel O'Connor's specialty?
- Daniel O'Connor is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Daniel O'Connor located?
- Daniel O'Connor's practice location on file with NPPES is 9048 Poplar St, Tinley Park, IL 60477-7390.
- What is Daniel O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Daniel O'Connor is (708) 574-1164.
- Does Daniel O'Connor accept Medicare?
- Daniel O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel O'Connor's NPI active?
- Yes — Daniel O'Connor's NPI (1164508602) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.