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

Individual provider Psychologist · NPI 1225353659

Dr. Donna Catherine Marzo, PSYD is a Psychologist in Washington, District of Columbia. Practices as a sole proprietor. Registered with an NPI since 2010.

In the registry since
2010
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

1608 20th St NW #300
Washington, DC 20009-1081
Phone: (202) 841-1007
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 1000029

Record details

NPI number1225353659
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedMarch 29, 2010
Last updated in NPPESMarch 29, 2010

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