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

Mary Ellen Cassidy, PA

Individual provider Physician Assistant · NPI 1114101615

Mary Ellen Cassidy, PA is a Physician Assistant in Great Neck, 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?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

935 Northern Blvd Ste 300
Great Neck, NY 11021-5316
Phone: (516) 466-9062
Fax: (516) 466-9081
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 002298 (NY)

Record details

NPI number1114101615
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedDecember 20, 2007
Last updated in NPPESNovember 12, 2009

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