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

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