A fast, free, no-login way to look up any U.S. healthcare provider in the federal NPPES registry.

Lookups

NPI Lookup
NPI Registry
By Specialty
By State

Resources

Guides
For Providers / API
Data Sources
About

Legal

Privacy
Terms
Correct a record

Data is sourced from the public NPPES (National Plan and Provider Enumeration System) registry published by CMS. NPI Central is not affiliated with, or endorsed by, CMSor any healthcare provider. Information is provided “as is” for general reference and is not medical advice.

FCRA notice: NPI Central is not a consumer reporting agency. This information may not be used to determine eligibility for employment, credentialing, insurance, or any other purpose covered by the Fair Credit Reporting Act.

© 2026 NPI Central. All rights reserved.

Anthony Thiessen, D.M.D. — NPI 1093950669, Sidney, MT | NPI Central

Home/
NPI Lookup/
MT/
NPI 1093950669

IndividualActive

Anthony Thiessen, D.M.D.

NPI 1093950669 · General Practice Dentistry · Sidney, MT

Provider details

NPI number: 1093950669
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: D.M.D.
Sex: Male
Sole proprietor: No
License: 1958 (MT)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 1958 (MT)
Dental Providers

Practice location

203 2nd Ave Sw

Sidney, MT 59270-4019

Phone: (406) 433-7645

Approximate (ZIP-level) locationGet directions

More MT providers

Mailing address

203 2nd Ave Sw

Sidney, MT 59270-4019

Registry dates

Enumerated: 2008-12-10
Last updated: 2008-12-10

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.