DR. DAVID AARON WILLIAMSON (D.C.) – Chiropractor, NPI 1720025927

DR. DAVID AARON WILLIAMSON (D.C.) is a healthcare provider. based in St charles, Illinois. specializing in Chiropractor. They hold the professional credentials D.C.. They hold a License No. 038-009347 (IL). The NPI Number for DR. DAVID AARON WILLIAMSON (D.C.) is 1720025927

Main info

Male
25 Years Of Experience
Accepts Medicare Assignment
Name
DR. DAVID AARON WILLIAMSON (D.C.)
NPI
1720025927
Phone
(847) 717-5110
Address
40W201 WASCO RD
Enumeration Date
31 May 2006
Last Update Date
26 June 2020

Doctor Profile

Medical School Name
NATIONAL COLLEGE OF CHIROPRACTIC
Secondary Phone
6303777788
Graduation Year
2001 (25 years ago)
PAC ID
4789676792
Group Practice PAC ID
6002808011
Professional Enrollment ID
I20050222000347
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for DR. DAVID AARON WILLIAMSON (D.C.)

  • 40W201 WASCO RD

    STE AB

    ST CHARLES, IL 601758509

    Phone: (847) 717-5110

    Type: Mailing

  • 40W201 WASCO RD STE AB

    ST CHARLES, IL 601758509

    Phone: (630) 377-7788

    Fax: (630) 377-7802

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
98941Chiropractic manipulative treatment, 3-4 spinal regions29441$0
98940Chiropractic manipulative treatment, 1-2 spinal regions11721$0
View full utilization report →

Insurance plans in this area (ZIP 60175)

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Provider's Procedures

DR. DAVID AARON WILLIAMSON (D.C.) performs procedures in Chiropractor. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CHIROPRACTICIL98940Chiropractic manipulative treatment, 1-2 spinal regions25837

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6002808011View full group profile
NameSpecialtyState
-IL

Reviews

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Frequently asked questions

What unique ID ties claims to DR. DAVID AARON WILLIAMSON (D.C.)?
NPI 1720025927 is assigned to DR. DAVID AARON WILLIAMSON (D.C.) under the national enumeration system.
Is DR. DAVID AARON WILLIAMSON (D.C.)'s NPI currently valid?
The extract we use shows DR. DAVID AARON WILLIAMSON (D.C.) as active.
What does DR. DAVID AARON WILLIAMSON (D.C.) treat or focus on?
Patients typically see DR. DAVID AARON WILLIAMSON (D.C.) under the specialty Chiropractor. Clinical services aligned with this taxonomy classification.
What location shows for DR. DAVID AARON WILLIAMSON (D.C.)?
We surface St Charles, Illinois for DR. DAVID AARON WILLIAMSON (D.C.) based on available NPPES addresses.
Is DR. DAVID AARON WILLIAMSON (D.C.) a real provider?
This page reflects official NPPES data for NPI 1720025927. Always confirm identity and privileges with the practice and licensing boards.

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