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

Mr. Mark Joseph Demarest, LPC

Individual provider Mental Health Counselor · NPI 1548352081

Mr. Mark Joseph Demarest, LPC is a Mental Health Counselor in Roseland, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2006
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

101 Eisenhower Pkwy Ste 300
Roseland, NJ 07068-1032
Phone: (973) 986-3998
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 37PC00313600 (NJ)

Record details

NPI number1548352081
Entity typeIndividual (Type 1)
GenderMale
Credentials LPC
Sole proprietorYes
NPI enumeratedSeptember 29, 2006
Last updated in NPPESOctober 21, 2014
Mailing address101 Eisenhower Pkwy, Suite 300, Roseland, NJ 07068-1032

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