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NATHAN D. WILLIAMSON, D.M.D. LLC
NPI 1770010100
Dentist - General Practice in Columbia, IL

Active since May 16, 2017
240 ADMIRAL TROST RD, COLUMBIA, IL 62236(618) 400-0550(618) 400-0824 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 21, 2021, May 16, 2017 (2 updates tracked since 2017).

About Nathan D. Williamson, D.m.d. Llc NPPES

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

NATHAN D. WILLIAMSON, D.M.D. LLC (NPI 1770010100) is a healthcare organization registered as a general practice in Columbia, Illinois and active in the NPI registry since May 2017. The organization lists Nathan David Williamson, Dentist/owner, as its authorized official.

NPPES Registry Identity

NPI1770010100
Entity TypeOrganization
Primary Taxonomy1223G0001X
Legal Business NameNATHAN D. WILLIAMSON, D.M.D. LLC
Location Address240 ADMIRAL TROST RDColumbia, IL 62236-2163
Mailing Address240 Admiral Trost RdColumbia, IL 62236-2163 · (618) 400-0550 · Fax (618) 400-0824
Phone(618) 400-0550
Fax(618) 400-0824
Organization SubpartNo
Authorized OfficialNathan David WilliamsonDentist/owner · (618) 281-7300
Enumeration DateMay 16, 2017
Last NPPES UpdateDecember 21, 20212 updates tracked since enumeration
NPPES CertifiedDecember 21, 2021
✔ NPI 1770010100 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in IL · 019027747
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
240 ADMIRAL TROST RD, Columbia, IL 62236
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Other Identifiers 2

Other1770010100IL · Npi
Other1366864589IL · Dr. Matthew Haarmann

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Nathan D. Williamson, D.M.D. LLC's NPI number?

The NPI number for Nathan D. Williamson, D.M.D. LLC is 1770010100. It was assigned to this organization in the NPPES registry on May 16, 2017.

Where is Nathan D. Williamson, D.M.D. LLC located?

Nathan D. Williamson, D.M.D. LLC is located at 240 Admiral Trost Rd, Columbia, IL 62236. The listed phone number is (618) 400-0550.

What is Nathan D. Williamson, D.M.D. LLC's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Nathan D. Williamson, D.M.D. LLC was last updated on December 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.