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

Mr. David Brian O'Regan, LADC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1104369362

Mr. David Brian O'Regan, LADC is an Addiction (Substance Use Disorder) Counselor in Quincy, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2016
What do these letters mean?
LADC — Licensed Alcohol and Drug Counselor
A licensed addiction counsellor.

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Practice location Address checks out

43 Old Colony Ave
Quincy, MA 02170-2606
Phone: (617) 379-3436
Fax: (617) 328-0409
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 · Licence 14081 (MA)

Record details

NPI number1104369362
Entity typeIndividual (Type 1)
GenderMale
Credentials LADC
Sole proprietorYes
NPI enumeratedNovember 21, 2016
Last updated in NPPESNovember 21, 2016

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