Doctor profile · Federal record

Dr. DAVID WILLIAMSON, D.C.

Chiropractor · ST CHARLES, IL

  • NPI 1720025927
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40W201 WASCO RD STE AB
ST CHARLES, IL 601758509
(630) 377-7788
fax (630) 377-7802
Mailing address
40W201 WASCO RD, STE AB
ST CHARLES, IL 601758509

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 26, 2020
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Illinois #038-009347

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720025927. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
411
Distinct HCPCS
2
Medicare allowed
$15,249
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 294 41 $41
98940 Chiropractic manipulative treatment, 1-2 spinal regions 117 21 $28

In context: peer comparison

Among 4 peers in this city , average services per provider: 730. This provider delivers 0.6× the peer median.