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

Dr. Lawrence John Carroll, PHD

Individual provider Clinical Psychologist · NPI 1891995064

Dr. Lawrence John Carroll, PHD is a Clinical Psychologist in Washington, District of Columbia. Qualified in 1979, 47 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia.

Years since qualifying
47
Licensed in
DC
In the registry since
2007
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4545 42nd St NW Ste 204
Washington, DC 20016-4623
Phone: (202) 686-1870
Fax: (202) 537-1460
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1113 (DC)

Record details

NPI number1891995064
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 24, 2007
Last updated in NPPESJuly 24, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Washington