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

Dr. Lillian Comas-Diaz, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1851512792

Dr. Lillian Comas-Diaz, PHD is a Cognitive & Behavioral Psychologist in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2007.

Licensed in
DC
In the registry since
2007
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.

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Practice location Address checks out

908 New Hampshire Ave NW Ste 700
Washington, DC 20037-2346
Phone: (202) 775-1938
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY1342 (DC)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence PSY1342 (DC)

Record details

NPI number1851512792
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 1, 2007
Last updated in NPPESJanuary 17, 2014

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