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DR. BARRY T DELASSUS D.C.
NPI 1427013283
Chiropractor in Maryville, IL

Active since April 17, 2006
4949 AUTUMN OAKS DR, SUITE A, MARYVILLE, IL 62062(618) 288-7991(618) 288-7901 Get Directions Write a Review

NPPES record last updated: July 1, 2013. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Barry T Delassus D.c. NPPES

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

DR. BARRY T DELASSUS D.C. (NPI 1427013283) is an individual chiropractor in Maryville, Illinois, licensed in Illinois (038-010459) and active in the NPI registry since April 2006. He is a graduate of Palmer College Chiropractic - Davenport (2005).

NPPES Registry Identity

NPI1427013283
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. BARRY T DELASSUSCredential: D.C.
Location Address4949 AUTUMN OAKS DR, SUITE AMaryville, IL 62062-8557
Mailing Address4949 Autumn Oaks Dr, Suite AMaryville, IL 62062-8557 · (618) 288-7991 · Fax (618) 288-7901
Phone(618) 288-7991
Fax(618) 288-7901
Sole ProprietorNo
Medical School CMSPalmer College Chiropractic - DavenportGraduated 2005
Enumeration DateApril 17, 2006
Last NPPES UpdateJuly 1, 2013
✔ NPI 1427013283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IL · 038-010459
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.
4949 AUTUMN OAKS DR, Maryville, IL 62062
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified212556IL
Medicaid038010459IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Barry T Delassus D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719906114
PECOS Enrollment IDI20051116000204

Medicare Billing Reassignment

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

Southern Illinois Chiropractic Center
0.3 mi
Chiropractor
2 PROFESSIONAL PARK DRIVE, SUITE B
Maryville, IL 62062
  • Reassigned Medicare billing, Illinois enrollment
NPI 1407991771 (618) 288-7991

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

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.
367 services28 patients

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 Barry Delassus's NPI number?

The NPI number for Barry Delassus is 1427013283. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Barry Delassus located?

Barry Delassus practices at 4949 Autumn Oaks Dr Suite A, Maryville, IL 62062. The listed phone number is (618) 288-7991.

What is Barry Delassus's specialty?

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

Is Barry Delassus enrolled in Medicare?

Yes. Barry Delassus is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Barry Delassus's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Barry Delassus reassigns Medicare benefits to Southern Illinois Chiropractic Center (Maryville, 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 Barry Delassus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Barry Delassus accept?

Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Barry Delassus as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Barry Delassus was last updated on July 1, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.