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

Individual provider Clinical Social Worker · NPI 1982663647

Mr. Mark William Jay, LCSW is a Clinical Social Worker in Farmington, Connecticut. Qualified in 1993, 33 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
33
Licensed in
CT
In the registry since
2006
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

1031 Farmington Ave
Farmington, CT 06032
Phone: (860) 677-2550
Fax: (860) 677-4975
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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 003395 (CT)

Record details

NPI number1982663647
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 21, 2006
Last updated in NPPESDecember 17, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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