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DR. DENNIS A FARRELL D.C.
NPI 1437218666
Chiropractor in Princeton, IL

Active since December 06, 2006
682 E PERU ST, PRINCETON, IL 61356(815) 875-4408(815) 875-4713 Get Directions Write a Review

NPPES record last updated: October 30, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Dennis A Farrell D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DENNIS A FARRELL D.C. (NPI 1437218666) is an individual chiropractor in Princeton, Illinois and active in the NPI registry since December 2006. He is a graduate of Palmer College Chiropractic - Davenport (1976).

NPPES Registry Identity

NPI1437218666
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. DENNIS A FARRELLCredential: D.C.
Location Address682 E PERU STPrinceton, IL 61356-1869
Mailing Address682 E Peru StPrinceton, IL 61356-1869 · (815) 875-4408 · Fax (815) 875-4713
Phone(815) 875-4408
Fax(815) 875-4713
Sole ProprietorNo
Medical School CMSPalmer College Chiropractic - DavenportGraduated 1976
Enumeration DateDecember 6, 2006
Last NPPES UpdateOctober 30, 2023
NPPES CertifiedOctober 30, 2023
✔ NPI 1437218666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
682 E PERU ST, Princeton, IL 61356
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Dennis A Farrell D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2264529460
PECOS Enrollment IDI20071106000032

Medicare Billing Reassignment

Medicare enrollment records show Dennis Farrell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dennis A Farrell Enterprises, Ltd.
Same address
Chiropractor
682 E PERU ST
Princeton, IL 61356
  • Reassigned Medicare billing, Illinois enrollment
  • 3 clinicians in this Medicare group
NPI 1447475991 (815) 875-4408

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
1,062 services103 patients
Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
106 services22 patients

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DENNIS A FARRELL ENTERPRISES, LTD.
Chiropractor
682 E PERU ST
PRINCETON, IL 61356
Bureau County (815) 875-4408
DR. LORI A. SCHULTZ D.C.
Chiropractor
682 E PERU ST
PRINCETON, IL 61356
Bureau County (815) 875-4408

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 Dennis Farrell's NPI number?

The NPI number for Dennis Farrell is 1437218666. It was assigned to this individual provider in the NPPES registry on December 6, 2006.

Where is Dennis Farrell located?

Dennis Farrell practices at 682 E Peru St, Princeton, IL 61356. The listed phone number is (815) 875-4408.

What is Dennis Farrell's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Dennis Farrell enrolled in Medicare?

Yes. Dennis Farrell is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dennis Farrell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Farrell reassigns Medicare benefits to Dennis A Farrell Enterprises, Ltd. (Princeton, 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 Dennis Farrell'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 Dennis Farrell was last updated on October 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.