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

Mary Ann Fremgen, LCSW

Individual provider Clinical Social Worker · NPI 1639308711

Mary Ann Fremgen, LCSW is a Clinical Social Worker in Arvada, Colorado. Practices as a sole proprietor. Licensed in Colorado.

Licensed in
CO
In the registry since
2009
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

7845 Barbara Ann Dr Apt J
Arvada, CO 80004-5761
Phone: (303) 421-5357
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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 991671 (CO)

Record details

NPI number1639308711
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJuly 9, 2009
Last updated in NPPESJuly 9, 2009

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