NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Tracy Sullivan, N.P.

Perinatal Nurse Practitioner in Islandia, NY · enumerated 2006.

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

National Provider Identifier

1902989957

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mrs. Tracy Sullivan
Credential N.P.
Sex Female
Practice address Islandia, NY, 11749
Phone (631) 292-6747
Fax (631) 292-6767
Enumeration date Oct 23, 2006
Last updated in NPPES Jan 23, 2013

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LP1700X Perinatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F390010 (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

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

Where does Tracy Sullivan practice?
The practice location on file with NPPES is in Islandia, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Tracy Sullivan?
The National Provider Identifier (NPI) for Tracy Sullivan is 1902989957, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-23.