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MS. SIOBHAN CASSIDY N.P.
NPI 1073521464
Nurse Practitioner - Neonatal in Stony Brook, NY

Active since August 03, 2006
L8 UNIVERSITY HOSPITAL, STONY BROOK, NY 11794(631) 444-7653 Get Directions Write a Review

NPPES record last updated: November 4, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Siobhan Cassidy N.p. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. SIOBHAN CASSIDY N.P. (NPI 1073521464) is an individual neonatal provider in Stony Brook, New York, licensed in New York (F350168-1) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1073521464
Entity TypeIndividualFemale
Primary Taxonomy363LN0000X
Provider Legal NameMS. SIOBHAN CASSIDYCredential: N.P.
Location AddressL8 UNIVERSITY HOSPITALStony Brook, NY 11794-0001
Mailing AddressP.o. Box 1559Stony Brook, NY 11790
Phone(631) 444-7653
Sole ProprietorNo
Enumeration DateAugust 3, 2006
Last NPPES UpdateNovember 4, 2009
✔ NPI 1073521464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · NeonatalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0000X
License✔ Licensed in NY · F350168-1
L8 UNIVERSITY HOSPITAL, Stony Brook, NY 11794
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Other Identifiers 1

Medicaid01974749NY

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Siobhan Cassidy's NPI number?

The NPI number for Siobhan Cassidy is 1073521464. It was assigned to this individual provider in the NPPES registry on August 3, 2006.

Where is Siobhan Cassidy located?

Siobhan Cassidy practices at L8 University Hospital, Stony Brook, NY 11794. The listed phone number is (631) 444-7653.

What is Siobhan Cassidy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

When was this NPI record last updated?

The NPPES record for Siobhan Cassidy was last updated on November 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.