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

MS. Diane C Lafferty, MSW, LCSW

Individual provider Clinical Social Worker · NPI 1174965719

MS. Diane C Lafferty, MSW, LCSW is a Clinical Social Worker in Watertown, Connecticut. Qualified in 1998, 28 years ago. Practices as a sole proprietor and offers telehealth. Licensed in Connecticut.

Years since qualifying
28
Licensed in
CT
In the registry since
2013
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

27 Siemon Company Dr 111S
Watertown, CT 06795-2654
Phone: (203) 592-4483
Fax: (860) 417-6789
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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 5346 (CT)

Record details

NPI number1174965719
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedJuly 24, 2013
Last updated in NPPESAugust 14, 2015

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

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