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

Mrs. Mary Elizabeth Paciella, RN, CNS, NP

Individual provider Registered Nurse · NPI 1578121463

Mrs. Mary Elizabeth Paciella, RN, CNS, NP is a Registered Nurse in Stony Brook, New York. Licensed in New York. Registered with an NPI since 2019.

Licensed in
NY
In the registry since
2019
Specialties on file
3
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Stony Brook University Hospital 101 Nichols Road Sbuh 8S Rm 142
Stony Brook, NY 11794-7080
Phone: (631) 444-8187
Fax: (631) 444-6199
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence F304070-1 (NY)
Registered Nurse Taxonomy 163W00000X · Licence A517819-1 (NY)
Adult Health Clinical Nurse Specialist Taxonomy 364SA2200X · Licence A517819-1 (NY)

Record details

NPI number1578121463
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , CNS , NP
Sole proprietorNo
NPI enumeratedJune 5, 2019
Last updated in NPPESJune 5, 2019

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