DR. ANTHONY DAVID THIESSEN D.M.D.
NPI 1093950669
Dentist - General Practice in Sidney, MT

Q: What is Anthony Thiessen's NPI number?

The NPI number for Anthony Thiessen is 1093950669. It was assigned to this individual provider in the NPPES registry on December 10, 2008.

Q: What is Anthony Thiessen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Anthony Thiessen was last updated on December 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since December 10, 2008

203 2ND AVE SW, SIDNEY, MT 59270(406) 433-7645 Get Directions Write a Review

NPPES record last updated: December 10, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Anthony David Thiessen D.m.d. NPPES

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

DR. ANTHONY DAVID THIESSEN D.M.D. (NPI 1093950669) is an individual general practice provider in Sidney, Montana, licensed in Montana (1958) and active in the NPI registry since December 2008.

NPPES Registry Identity

NPI1093950669

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. ANTHONY DAVID THIESSENCredential: D.M.D.

Location Address203 2ND AVE SWSidney, MT 59270-4019

Mailing Address203 2nd Ave SwSidney, MT 59270-4019 · (406) 433-7645

Phone(406) 433-7645

Sole ProprietorNo

Enumeration DateDecember 10, 2008

✔ NPI 1093950669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in MT · 1958

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.

203 2ND AVE SW, Sidney, MT 59270

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Other Providers at the Same Location NPPES

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

HEALTHY SMILES DENTAL GROUP

Dentist (General Practice)

203 2ND AVE SW
SIDNEY, MT 59270

Richland County (406) 433-7645

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 Anthony Thiessen's NPI number?

The NPI number for Anthony Thiessen is 1093950669. It was assigned to this individual provider in the NPPES registry on December 10, 2008.

Where is Anthony Thiessen located?

Anthony Thiessen practices at 203 2nd Ave SW, Sidney, MT 59270. The listed phone number is (406) 433-7645.

What is Anthony Thiessen'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 Anthony Thiessen was last updated on December 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.