Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. David Mitchell Thielen, DMD

Individual provider Public Health Dentistry · NPI 1396362380

Dr. David Mitchell Thielen, DMD is a Public Health Dentistry in Casper, Wyoming. Practices as a sole proprietor. Licensed in Iowa and Wyoming.

Licensed in
IA, WY
In the registry since
2020
Specialties on file
3
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

5081 E Second St
Casper, WY 82609
Phone: (307) 215-7337
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Public Health Dentistry (primary) Taxonomy 1223D0001X · Licence 1707 (WY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence RES-30593 (IA)
General Practice Dentistry Taxonomy 1223G0001X · Licence DDS-09938 (IA)

Record details

NPI number1396362380
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedJune 25, 2020
Last updated in NPPESDecember 4, 2025
Certification dateDecember 4, 2025