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

Individual provider Clinical Social Worker · NPI 1770648339

Mrs. Rebecca Jane Oss, LCSW is a Clinical Social Worker in Helena, Montana. Qualified in 2005, 21 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
21
Licensed in
MT
In the registry since
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

32 S Ewing St #108
Helena, MT 59601
Phone: (406) 594-9926
Fax: (866) 617-1708
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 826-LCSW (MT)

Record details

NPI number1770648339
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedDecember 26, 2006
Last updated in NPPESJuly 17, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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