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

Dr. Shannon Holmes Gilliard, PSYD

Individual provider School Psychologist · NPI 1992686851

Dr. Shannon Holmes Gilliard, PSYD is a School Psychologist in Adelphi, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2025
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

8908 Riggs Rd
Adelphi, MD 20783-1632
Phone: (301) 431-5630
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

School Psychologist (primary) Taxonomy 103TS0200X · Licence 1001528406 (MD)

Record details

NPI number1992686851
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedSeptember 9, 2025
Last updated in NPPESSeptember 9, 2025
Certification dateSeptember 9, 2025

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