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

Dr. Jennifer Helaine Byrnes, PHD

Individual provider Clinical Psychologist · NPI 1720280050

Dr. Jennifer Helaine Byrnes, PHD is a Clinical Psychologist in Merrick, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

2635 Merrick Ave
Merrick, NY 11566-4636
Phone: (516) 241-7398
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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 015609 (NY)

Record details

NPI number1720280050
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 31, 2007
Last updated in NPPESMarch 5, 2025
Certification dateMarch 5, 2025

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