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

Mr. David Walenczyk, LMFT

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1588935357

Mr. David Walenczyk, LMFT is an Addiction (Substance Use Disorder) Counselor in Norwalk, Connecticut. Licensed in Connecticut. Registered with an NPI since 2012.

Licensed in
CT
In the registry since
2012
Specialties on file
2
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

20 N Main St 3rd Fl
Norwalk, CT 06854-2656
Phone: (203) 838-6508
Fax: (203) 852-7021
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 000620 (CT)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 000620 (CT)

Record details

NPI number1588935357
Entity typeIndividual (Type 1)
GenderMale
Credentials LMFT
Sole proprietorNo
NPI enumeratedJanuary 25, 2012
Last updated in NPPESDecember 22, 2014
Mailing address20 N Main St, 3rd Floor, Norwalk, CT 06854-2656

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