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

Mr. Mark Melillo, MS, LCADC, RYT-200

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1174978159

Mr. Mark Melillo, MS, LCADC, RYT-200 is an Addiction (Substance Use Disorder) Counselor in Princeton, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2016
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

1 Monument Dr
Princeton, NJ 08540-4014
Phone: (609) 924-8018
Fax: (609) 688-2045
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 37LC00252200 (NJ)

Record details

NPI number1174978159
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , LCADC , RYT-200
Sole proprietorYes
NPI enumeratedApril 27, 2016
Last updated in NPPESJanuary 13, 2017

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