THOMAS GUERIN DC
NPI 1235678913
Chiropractor in Lisle, IL
About Thomas Guerin Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS GUERIN DC (NPI 1235678913) is an individual chiropractor in Lisle, Illinois, licensed in Illinois (038.014222) and active in the NPI registry since February 2017. He is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Thomas Guerin Dc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Thomas Guerin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Geneva, IL 60134
- Reassigned Medicare billing, Illinois enrollment
- 6 clinicians in this Medicare group
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 Thomas Guerin's NPI number?
The NPI number for Thomas Guerin is 1235678913. It was assigned to this individual provider in the NPPES registry on February 15, 2017.
Where is Thomas Guerin located?
Thomas Guerin practices at 2745 Maple Ave Ste D, Lisle, IL 60532. The listed phone number is (773) 610-5956.
What is Thomas Guerin's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Thomas Guerin enrolled in Medicare?
Yes. Thomas Guerin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Thomas Guerin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Guerin reassigns Medicare benefits to Physical Medicine Associates Sc (Geneva, 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 Thomas Guerin'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 Thomas Guerin was last updated on December 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.
# Thomas Guerin, DC · NPI 1235678913
Chiropractor provider in Lisle, Illinois. Individual provider, active in the CMS NPPES registry since February 15, 2017.
## Identity
- **NPI:** 1235678913 (Entity type: Individual)
- **Enumerated:** February 15, 2017
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 038.014222 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2745 MAPLE AVE STE D, Lisle, IL 60532-3205
- **Phone:** (773) 610-5956
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Physical Medicine Associates Sc (NPI 1477546935, Geneva, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** December 16, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1235678913) · Data from the CMS NPPES public registry.