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

MS. Sylvia Mahr, LCSW

Individual provider Clinical Social Worker · NPI 1215944335

MS. Sylvia Mahr, LCSW is a Clinical Social Worker in Hamilton, Montana. Qualified in 1999, 27 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
27
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

258 Roosevelt Ln
Hamilton, MT 59840-3326
Phone: (406) 370-8341
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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 584 (MT)

Record details

NPI number1215944335
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 2, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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