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

Dr. John Mastropaolo, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1427409002

Dr. John Mastropaolo, PHD is a Cognitive & Behavioral Psychologist in Chevy Chase, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2016
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

4701 Willard Ave Ste 230
Chevy Chase, MD 20815-4643
Phone: (301) 755-7003
Show map & directions

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

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X · Licence 02476 (MD)

Record details

NPI number1427409002
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 25, 2016
Last updated in NPPESJune 25, 2016
Mailing address606 Notley Rd, Silver Spring, MD 20904-6221

Other providers in Chevy Chase