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

Individual provider Clinical Psychologist · NPI 1427098961

Dr. Heather Lyle Cassidy, PSYD is a Clinical Psychologist in Silver Spring, Maryland. Licensed in District of Columbia and Maryland. Registered with an NPI since 2006.

Licensed in
DC, MD
In the registry since
2006
Specialties on file
2
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

8700 Georgia Ave Ste 305
Silver Spring, MD 20910-3605
Phone: (202) 251-5197
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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 04180 (MD)
Clinical Psychologist Taxonomy 103TC0700X · Licence PSY1000359 (DC)

Record details

NPI number1427098961
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESDecember 30, 2022
Certification dateDecember 30, 2022

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