Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Janet Difalco, N.P.

Nurse Practitioner in Stony Brook, NY · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356384168

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Registry record

Entity type Individual (Type 1)

Name Ms. Janet Difalco

Credential N.P.

Sex Female

Practice address University Hospital, L5, Stony Brook, NY, 11794

Phone (631) 444-8115

Enumeration date Jun 13, 2006

Last updated in NPPES Feb 25, 2013

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F381385-1 (NY) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
02677769	Medicaid	NY	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Janet Difalco?

The National Provider Identifier (NPI) for Janet Difalco is 1356384168, a Type 1 (individual) record in the CMS NPPES registry.

Where does Janet Difalco practice?

The practice location on file with NPPES is in Stony Brook, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Catherine Kier Pediatric Pulmonology Physician · Stony Brook, NY NPI 1750328464 Mahmut Celiker Pediatric Hematology & Oncology Physician · Stony Brook, NY NPI 1396782678 Patricia Galvin-Parton Clinical Genetics (M.D.) Physician · Stony Brook, NY NPI 1649211798 Mireya Garcia Pediatric Endocrinology Physician · Stony Brook, NY NPI 1003857822 Maribeth Chitkara Pediatrics Physician · Stony Brook, NY NPI 1588606412 Andrew Lane Pediatric Endocrinology Physician · Stony Brook, NY NPI 1225070451 Susan Watson Pediatric Registered Nurse · Stony Brook, NY NPI 1356383392 Peter Morelli Pediatric Cardiology Physician · Stony Brook, NY NPI 1245272491

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-02-25.