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DR. GAIL D WILLIAMSON MD
NPI 1376597732
Internal Medicine in Canton, IL

Active since May 20, 2006PECOS Enrolled
762 E CHESTNUT ST, CANTON, IL 61520(309) 353-6301(844) 813-1772 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gail D Williamson Md NPPES

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

DR. GAIL D WILLIAMSON MD (NPI 1376597732) is an individual internal medicine provider in Canton, Illinois, licensed in Illinois (036078962) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376597732
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. GAIL D WILLIAMSONCredential: MD
Location Address762 E CHESTNUT STCanton, IL 61520-2845
Mailing Address12323 Towerline RdPekin, IL 61554-8715 · (309) 620-3381
Phone(309) 353-6301
Fax(844) 813-1772
Sole ProprietorNo
Enumeration DateMay 20, 2006
Last NPPES UpdateJuly 11, 2025
NPPES CertifiedJuly 11, 2025
✔ NPI 1376597732 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036078962
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 036078962 (IL)
762 E CHESTNUT ST, Canton, IL 61520
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Other Identifiers 3

Medicaid036078962IL
Other09015685IL · Blue Cross Blue Shield
Other110173926IL · Rail Road Medicare Pin

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gail D Williamson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61520 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SERENITY POINT HOSPICE LLC
Hospice Care, Community Based
762 E CHESTNUT ST
CANTON, IL 61520
Fulton County (309) 435-7050

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 Gail Williamson's NPI number?

The NPI number for Gail Williamson is 1376597732. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Gail Williamson located?

Gail Williamson practices at 762 E Chestnut St, Canton, IL 61520. The listed phone number is (309) 353-6301.

What is Gail Williamson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gail Williamson enrolled in Medicare?

Yes. Gail Williamson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gail Williamson was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.