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

Dr. Marilyn Marks Frey, PHD

Individual provider Clinical Neuropsychologist · NPI 1093853855

Dr. Marilyn Marks Frey, PHD is a Clinical Neuropsychologist in Paris, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
Specialties on file
3
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

723 E Court St
Paris, IL 61944
Phone: (217) 463-2002
Fax: (217) 463-7202
Show map & directions

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

Specialties & licences

Forensic Psychologist (primary) Taxonomy 103TF0200X (IL)
Clinical Neuropsychologist Taxonomy 103G00000X (IL)
Clinical Psychologist Taxonomy 103TC0700X (IL)

Record details

NPI number1093853855
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedFebruary 2, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address723 E Court St, Paris, IL 61944