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

William Colson, LADC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1154466795

William Colson, LADC is an Addiction (Substance Use Disorder) Counselor in Waterbury, Connecticut. Licensed in Connecticut. Registered with an NPI since 2007.

Licensed in
CT
In the registry since
2007
What do these letters mean?
LADC — Licensed Alcohol and Drug Counselor
A licensed addiction counsellor.

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Practice location Address checks out

228 Meadow St
Waterbury, CT 06702-1807
Phone: (203) 597-0643
Fax: (023) 597-0834
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 000750 (CT)

Record details

NPI number1154466795
Entity typeIndividual (Type 1)
GenderMale
Credentials LADC
Sole proprietorNo
NPI enumeratedFebruary 21, 2007
Last updated in NPPESApril 18, 2013
Mailing address38 Old Ridgebury Rd, Danbury, CT 06810-5128

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