DR. DANIEL PAUL O'CONNOR D.C.
NPI 1164508602
Chiropractor in Tinley Park, IL
About Dr. Daniel Paul O'connor D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DANIEL PAUL O'CONNOR D.C. (NPI 1164508602) is an individual chiropractor in Tinley Park, Illinois and active in the NPI registry since October 2006. He is a graduate of Palmer College Chiropractic - West Sunnyvale (2004).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Daniel Paul O'connor D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Daniel O'connor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Plainfield, IL 60586
- Reassigned Medicare billing, Illinois enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Daniel O'connor's NPI number?
The NPI number for Daniel O'connor is 1164508602. It was assigned to this individual provider in the NPPES registry on October 27, 2006.
Where is Daniel O'connor located?
Daniel O'connor practices at 9048 Poplar St, Tinley Park, IL 60477. The listed phone number is (708) 574-1164.
What is Daniel O'connor's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Daniel O'connor enrolled in Medicare?
Yes. Daniel O'connor is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Daniel O'connor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel O'connor reassigns Medicare benefits to Oconnor Chiropractic PC (Plainfield, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Daniel O'connor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Daniel O'connor was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Daniel Paul O'connor, D.C. · NPI 1164508602
Chiropractor provider in Tinley Park, Illinois. Individual provider, active in the CMS NPPES registry since October 27, 2006.
## Identity
- **NPI:** 1164508602 (Entity type: Individual)
- **Enumerated:** October 27, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9048 POPLAR ST, Tinley Park, IL 60477-7390
- **Phone:** (708) 574-1164
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Oconnor Chiropractic PC (NPI 1073829701, Plainfield, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - West Sunnyvale, class of 2004
## Record status
- **NPPES last updated:** July 8, 2007
---
Source: [NPI Profile](https://npiprofile.com/npi/1164508602) · Data from the CMS NPPES public registry.