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

Mr. Douglas A Vantassell, CASAC-T

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1487196580

Mr. Douglas A Vantassell, CASAC-T is an Addiction (Substance Use Disorder) Counselor in East Northport, New York. Practices as a sole proprietor. Registered with an NPI since 2016.

In the registry since
2016

Practice location Address checks out

5 Penfield Dr
East Northport, NY 11731-4901
Phone: (631) 239-5071
Fax: (631) 239-5071
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1487196580
Entity typeIndividual (Type 1)
GenderMale
Credentials CASAC-T
Sole proprietorYes
NPI enumeratedNovember 7, 2016
Last updated in NPPESNovember 7, 2016

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