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

Heather Sienkowski, RDH

Individual provider Dental Hygienist · NPI 1538832282

Heather Sienkowski, RDH is a Dental Hygienist in Great Falls, Montana. Licensed in Montana. Registered with an NPI since 2021.

Licensed in
MT
In the registry since
2021
What do these letters mean?
RDH — Registered Dental Hygienist
A licensed hygienist who cleans teeth and screens for oral disease.

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Practice location Address checks out

202 2nd Ave S Ste 203
Great Falls, MT 59405-1831
Phone: (406) 791-9267
Fax: (406) 791-9277
Show map & directions

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

Specialties & licences

Dental Hygienist (primary) Taxonomy 124Q00000X · Licence DEN-RDH-LIC-13510 (MT)

Record details

NPI number1538832282
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDH
Sole proprietorNo
NPI enumeratedJuly 28, 2021
Last updated in NPPESOctober 1, 2025
Certification dateOctober 1, 2025
Mailing address601 1st Ave N, Great Falls, MT 59401-2510

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