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
Mailing address5081 East Second St, Casper, WY 82609