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

Theresa Anne O'Neil, RDH

Individual provider Dental Hygienist · NPI 1053648014

Theresa Anne O'Neil, RDH is a Dental Hygienist in Thompson Falls, Montana. Practices as a sole proprietor. Licensed in Montana.

Licensed in
MT
In the registry since
2009
What do these letters mean?
RDH — Registered Dental Hygienist
A licensed hygienist who cleans teeth and screens for oral disease.

See every abbreviation used in this directory →

Practice location Address checks out

1648 Blue Slide Rd
Thompson Falls, MT 59873-9476
Phone: (406) 827-5308
Show map & directions

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

Specialties & licences

Dental Hygienist (primary) Taxonomy 124Q00000X · Licence 1189 (MT)

Record details

NPI number1053648014
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDH
Sole proprietorYes
NPI enumeratedNovember 12, 2009
Last updated in NPPESNovember 12, 2009

Other providers in Thompson Falls