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

MS. Diane Marie Brewer, CASAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1730602673

MS. Diane Marie Brewer, CASAC is an Addiction (Substance Use Disorder) Counselor in Riverhead, New York. Licensed in New York. Registered with an NPI since 2017.

Licensed in
NY
In the registry since
2017

Practice location Address checks out

212 W Main St
Riverhead, NY 11901-2841
Phone: (631) 369-7800
Fax: (631) 574-8216
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 20093 (NY)

Record details

NPI number1730602673
Entity typeIndividual (Type 1)
GenderFemale
Credentials CASAC
Sole proprietorNo
NPI enumeratedJuly 24, 2017
Last updated in NPPESJuly 24, 2017

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