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DR. DAVID MITCHELL THIELEN DMD
NPI 1396362380
Dentist - Dental Public Health in Casper, WY

Active since June 25, 2020
5081 EAST SECOND ST, CASPER, WY 82609(307) 215-7337 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 4, 2025, Mar 7, 2022, Aug 3, 2020 and 1 more (4 updates tracked since 2020).

About Dr. David Mitchell Thielen Dmd NPPES

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

DR. DAVID MITCHELL THIELEN DMD (NPI 1396362380) is an individual dental public health provider in Casper, Wyoming, licensed in Wyoming (1707) and active in the NPI registry since June 2020.

NPPES Registry Identity

NPI1396362380
Entity TypeIndividualMale
Primary Taxonomy1223D0001X
Provider Legal NameDR. DAVID MITCHELL THIELENCredential: DMD
Location Address5081 EAST SECOND STCasper, WY 82609
Mailing Address5081 East Second StCasper, WY 82609 · (307) 215-7337
Phone(307) 215-7337
Sole ProprietorYes
Enumeration DateJune 25, 2020
Last NPPES UpdateDecember 4, 20254 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1396362380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDentist · Dental Public HealthDental Providers
Taxonomy Code1223D0001X
License✔ Licensed in WY · 1707
Definition
The science and art of preventing and controlling dental diseases and promoting dental health through organized community efforts. It is that form of dental practice that serves the community as a patient rather than the individual. It is concerned with the dental health education of the public, with applied dental research, and with the administration of group dental care programs as well as the prevention and control of dental diseases on a community basis.
Also ListedDentist · General PracticeTaxonomy 1223G0001X · License DDS-09938 (IA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License RES-30593 (IA)
5081 EAST SECOND ST, Casper, WY 82609
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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Anthem Blue Cross and Blue Shield, BEST Life and more.Insurance ›

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 David Thielen's NPI number?

The NPI number for David Thielen is 1396362380. It was assigned to this individual provider in the NPPES registry on June 25, 2020.

Where is David Thielen located?

David Thielen practices at 5081 East Second St, Casper, WY 82609. The listed phone number is (307) 215-7337.

What is David Thielen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Dental Public Health, with taxonomy code 1223D0001X.

What insurance does David Thielen accept?

Health plans from Ambetter from Arizona Complete Health, Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 10 other insurers list David Thielen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for David Thielen was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.