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

Dr. Debra Lou Anderson, PHD

Individual provider Psychologist · NPI 1619066107

Dr. Debra Lou Anderson, PHD is a Clinical Psychologist in Derwood, Maryland. Qualified in 1991, 35 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Colorado and Maryland.

Years since qualifying
35
Licensed in
CO, MD
In the registry since
2006
Specialties on file
2
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

15817 Crabbs Branch Way
Derwood, MD 20855-6613
Phone: (301) 948-2280
Fax: (301) 972-0095
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 04665 (MD)
Psychologist Taxonomy 103T00000X · Licence 1650 (CO)

Record details

NPI number1619066107
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 12, 2006
Last updated in NPPESJune 10, 2024
Certification dateJune 10, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount