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

Dr. Martha Gross, PHD

Individual provider Psychologist · NPI 1871748061

Dr. Martha Gross, PHD is a Psychologist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2008
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

4600 Connecticut Ave NW SUITE223
Washington, DC 20008-5750
Phone: (202) 364-8555
Fax: (202) 364-8556
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 1809 (DC)

Record details

NPI number1871748061
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 1, 2008
Last updated in NPPESDecember 1, 2008

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