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

Dr. Donald Roderick Marks, PSYD

Individual provider Health Psychologist · NPI 1851646475

Dr. Donald Roderick Marks, PSYD is a Health Psychologist in Wilmington, Delaware. Licensed in Pennsylvania. Registered with an NPI since 2012.

Licensed in
PA
In the registry since
2012
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

1601 Kirkwood Hwy
Wilmington, DE 19805
Phone: (215) 534-0398
Show map & directions

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

Specialties & licences

Health Psychologist (primary) Taxonomy 103TH0004X · Licence PS017170 (PA)

Record details

NPI number1851646475
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJuly 19, 2012
Last updated in NPPESJuly 19, 2012