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

David Duffield, LCSW

Individual provider Clinical Social Worker · NPI 1245809730

David Duffield, LCSW is a Clinical Social Worker in Mansfield Center, Connecticut. Qualified in 2020, 6 years ago. Practices with United Services Inc, a 30-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
6
Licensed in
CT
In the registry since
2021
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

140 N Frontage Rd
Mansfield Center, CT 06250-1648
Phone: (860) 456-2261
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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 12558 (CT)

Record details

NPI number1245809730
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 21, 2021
Last updated in NPPESMay 27, 2025
Certification dateMay 27, 2025
Mailing address1007 N Main St, Dayville, CT 06241-2170

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice United Services Inc — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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