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

John Slinn

Individual provider Counselor · NPI 1861935231

John Slinn is a Counselor in Worcester, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2016.

In the registry since
2016

Practice location Address checks out

335 Chandler St
Worcester, MA 01602-3441
Phone: (617) 913-5345
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1861935231
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedDecember 2, 2016
Last updated in NPPESDecember 2, 2016
Mailing address335 Chandler St, Worcester, MA 01602-3441

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