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

John Francis Duffy

Individual provider Mental Health Counselor · NPI 1457822389

John Francis Duffy is a Mental Health Counselor in Whitinsville, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

76 Church St
Whitinsville, MA 01588-1464
Phone: (508) 234-4181
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1457822389
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedDecember 17, 2018
Last updated in NPPESDecember 17, 2018
Mailing address76 Church St, Whitinsville, MA 01588-1464

Other providers in Whitinsville