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

Individual provider Clinical Social Worker · NPI 1366925349

Deborah Kolker Mastin, MSW, LCSW is a Clinical Social Worker in Parker, Colorado. Practices as a sole proprietor. Licensed in Colorado.

Licensed in
CO
In the registry since
2018
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
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

19753 E Pikes Peak Ave
Parker, CO 80138
Phone: (303) 810-8290
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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 991234 (CO)

Record details

NPI number1366925349
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedSeptember 14, 2018
Last updated in NPPESSeptember 14, 2018

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