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

Dr. Brenda Quillen Gretzinger, PHD

Individual provider Psychologist · NPI 1528881174

Dr. Brenda Quillen Gretzinger, PHD is a Psychologist in Westminster, Maryland. Licensed in Maryland. Registered with an NPI since 2024.

Licensed in
MD
In the registry since
2024
Specialties on file
2
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

125 N Court St
Westminster, MD 21157-5192
Phone: (410) 751-3122
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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 CER-98028-B6Q0L0 (MD)
Psychologist Taxonomy 103T00000X · Licence 02948 (MD)

Record details

NPI number1528881174
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedNovember 4, 2024
Last updated in NPPESNovember 4, 2024
Certification dateNovember 3, 2024

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