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

Dr. James L Mastrich Jr., EDD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1649392671

Dr. James L Mastrich Jr., EDD is an Addiction (Substance Use Disorder) Counselor in Kingston, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2007
Specialties on file
7
What do these letters mean?
EDD — Doctor of Education
A doctorate in education.

See every abbreviation used in this directory →

Practice location Address checks out

4475 Route 27
Kingston, NJ 08528-9601
Phone: (609) 921-3665
Fax: (609) 397-1971
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 35SI00223800 (NJ)
Psychologist Taxonomy 103T00000X · Licence 35SI00223800 (NJ)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 35SI00223800 (NJ)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 35SI00223800 (NJ)
Counseling Psychologist Taxonomy 103TC1900X · Licence 35SI00223800 (NJ)
Exercise & Sports Psychologist Taxonomy 103TE1100X · Licence 35SI00223800 (NJ)
Group Psychotherapy Psychologist Taxonomy 103TP2701X · Licence 35SI00223800 (NJ)

Record details

NPI number1649392671
Entity typeIndividual (Type 1)
GenderMale
Credentials EDD
Sole proprietorYes
NPI enumeratedApril 3, 2007
Last updated in NPPESSeptember 11, 2025

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