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

Dr. Mark Schaefer, PHD

Individual provider Forensic Psychologist · NPI 1255492724

Dr. Mark Schaefer, PHD is a Forensic Psychologist in Salem, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1 Salem Grn Ste 501
Salem, MA 01970-3724
Phone: (978) 740-3100
Fax: (978) 740-5656
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Forensic Psychologist (primary) Taxonomy 103TF0200X · Licence 1977 (MA)

Record details

NPI number1255492724
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 12, 2006
Last updated in NPPESJuly 8, 2007

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