NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alison Tray, APRN

Nurse Practitioner in New Haven, CT · enumerated 2014.

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

National Provider Identifier

1235548876

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Alison Tray
Credential APRN
Sex Female
Practice address 20 York Street, Cb-2041, New Haven, CT, 06510
Fax (203) 688-4740
Enumeration date Aug 7, 2014
Last updated in NPPES May 26, 2015

Taxonomy & licenses

163WX0200X Oncology Registered Nurse Nursing Service Providers · License 109920 (CT) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 005842 (CT) Primary
363LG0600X Gerontology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 5842 (CT) Secondary
APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN 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

What is the NPI number for Alison Tray?
The National Provider Identifier (NPI) for Alison Tray is 1235548876, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alison Tray practice?
The practice location on file with NPPES is in New Haven, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-26.