Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Katharine Haxall Cronin, MS, MPH, CPNP

Pediatric Nurse Practitioner in West Islip, NY · enumerated 2012.

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

National Provider Identifier

1316298375

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Registry record

Entity type Individual (Type 1)

Name Mrs. Katharine Haxall Cronin

Credential MS, MPH, CPNP

Sex Female

Practice address 1111 Montauk Hwy, Suite 104, West Islip, NY, 11795

Phone (631) 661-2510

Fax (631) 669-6502

Enumeration date Sep 30, 2012

Last updated in NPPES Jun 15, 2014

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 6435541 (NY) Secondary

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 382344 (NY) Primary

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 Katharine Cronin practice?

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

What is the NPI number for Katharine Cronin?

The National Provider Identifier (NPI) for Katharine Cronin is 1316298375, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-06-15.