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
- 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
- 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
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
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 St Charles Chiropractor, average services per provider: 730. This provider delivers 0.6× the peer median.Frequently asked questions
What is Dr. David Williamson's medical specialty?
Dr. David Williamson practices Chiropractor in St Charles, IL.
Where does Dr. David Williamson practice?
Dr. David Williamson practices at 40W201 Wasco RD Ste Ab, St Charles, IL 601758509. Office phone: 6303777788.
What is Dr. David Williamson's NPI?
Dr. David Williamson's National Provider Identifier (NPI) is 1720025927, issued by NPPES.
What procedures does Dr. David Williamson commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.