Doctor profile · Federal record

Dr. Barry Delassus, D.C.

Chiropractor (CMS: Chiropractic) · Maryville, IL

  • NPI 1427013283
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4949 Autumn Oaks Dr, Suite A
Maryville, IL 620628557
(618) 288-7991
fax (618) 288-7901

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 1, 2013
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Illinois #038-010459
Medicaid
IL #038010459

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427013283. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
211
Distinct HCPCS
1
Medicare allowed
$7,735
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 211 21 $37

In context: peer comparison

Among 2 peers in this city , average services per provider: 250. This provider delivers 0.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Barry Delassus's medical specialty?
Dr. Barry Delassus practices Chiropractor in Maryville, IL.
Where does Dr. Barry Delassus practice?
Dr. Barry Delassus practices at 4949 Autumn Oaks Dr, Maryville, IL 620628557. Office phone: 6182887991.
What is Dr. Barry Delassus's NPI?
Dr. Barry Delassus's National Provider Identifier (NPI) is 1427013283, issued by NPPES.
Does Dr. Barry Delassus accept Medicare assignment?
Dr. Barry Delassus does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Barry Delassus commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.