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

Mr. Marcus Williams

Individual provider Behavior Technician · NPI 1205341138

Mr. Marcus Williams is a Behavior Technician in Groton, Connecticut. Licensed in Connecticut. Registered with an NPI since 2017.

Licensed in
CT
In the registry since
2017

Practice location Address checks out

220 Route 12 Ste 205
Groton, CT 06340-3414
Phone: (877) 315-8080
Show map & directions

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

Specialties & licences

Behavior Technician (primary) Taxonomy 106S00000X · Licence RBT-16-27657 (CT)

Record details

NPI number1205341138
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedDecember 14, 2017
Last updated in NPPESDecember 14, 2017
Mailing address220 Route 12 Ste 205, Groton, CT 06340-3414

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