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

Individual provider Clinical Social Worker · NPI 1699256552

Kristy Sonstroem, MSW, LCSW is a Clinical Social Worker in West Springfield, Massachusetts. Qualified in 2011, 15 years ago. Practices with Impact Health Psych PC, a 19-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
15
Licensed in
CT
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

103 Myron St Ste A
West Springfield, MA 01089-1485
Phone: (413) 592-1980
Fax: (413) 439-0100
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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 010079 (CT)

Record details

NPI number1699256552
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorNo
NPI enumeratedAugust 28, 2018
Last updated in NPPESAugust 28, 2018

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Impact Health Psych Pc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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