DR. NICHOLAS DEIGNAN D.C.
NPI 1366740128
Chiropractor in Barrington, IL

Q: What is Nicholas Deignan's NPI number?

The NPI number for Nicholas Deignan is 1366740128. It was assigned to this individual provider in the NPPES registry on March 3, 2011.

Q: What is Nicholas Deignan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nicholas Deignan was last updated on October 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since March 03, 2011Accepts Medicare Assignment

777 LAKE ZURICH RD, 105, BARRINGTON, IL 60010(847) 277-2990(847) 277-2991 Get Directions Write a Review

NPPES record last updated: October 22, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Nicholas Deignan D.c. NPPES

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

DR. NICHOLAS DEIGNAN D.C. (NPI 1366740128) is an individual chiropractor in Barrington, Illinois, licensed in Illinois (038011878) and active in the NPI registry since March 2011. He is a graduate of Other (2010).

NPPES Registry Identity

NPI1366740128

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. NICHOLAS DEIGNANCredential: D.C.

Location Address777 LAKE ZURICH RD, 105Barrington, IL 60010-3106

Mailing Address777 Lake Zurich Rd, 105Barrington, IL 60010-3106 · (847) 277-2990 · Fax (847) 277-2991

Phone(847) 277-2990

Fax(847) 277-2991

Sole ProprietorYes

Medical School CMSOtherGraduated 2010

Enumeration DateMarch 3, 2011

Last NPPES UpdateOctober 22, 2014

✔ NPI 1366740128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

Licenses✔ Licensed in IL · 038011878✔ Licensed in OH · 4200

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.

777 LAKE ZURICH RD, Barrington, IL 60010

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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 and accepts Medicare assignment

Dr. Nicholas Deignan D.c. 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.

PECOS PAC ID1850560921

PECOS Enrollment IDI20150804006112

Medicare Billing Reassignment

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

Evolve Chiropractic Schaumburg PLLC

9.6 mi

Chiropractor

1501 E WOODFIELD RD STE 117E
Schaumburg, IL 60173

Reassigned Medicare billing, Illinois enrollment
10 clinicians in this Medicare group

NPI 1649817982 (815) 342-7167

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

Other Providers at the Same Location NPPES 3

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

DR. DELPHINE ANNICK DEIGNAN DC

Chiropractor

777 LAKE ZURICH RD, 105
BARRINGTON, IL 60010

Cook County (847) 277-2990

DEIGNAN FAMILY CHIROPRACTIC LLC

Chiropractor

777 LAKE ZURICH RD, SUITE 105
BARRINGTON, IL 60010

Cook County (847) 277-2990

MS. ERIN MICHELLE WHITE P.T.

Mechanotherapist

777 LAKE ZURICH RD, SUITE 125B
BARRINGTON, IL 60010

Cook County (847) 466-1025

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 Nicholas Deignan's NPI number?

The NPI number for Nicholas Deignan is 1366740128. It was assigned to this individual provider in the NPPES registry on March 3, 2011.

Where is Nicholas Deignan located?

Nicholas Deignan practices at 777 Lake Zurich Rd 105, Barrington, IL 60010. The listed phone number is (847) 277-2990.

What is Nicholas Deignan's specialty?

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

Is Nicholas Deignan enrolled in Medicare?

Yes. Nicholas Deignan 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 Nicholas Deignan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Deignan reassigns Medicare benefits to Evolve Chiropractic Schaumburg PLLC (Schaumburg, 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 Nicholas Deignan'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 Nicholas Deignan was last updated on October 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.