Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Stephanie C Johnston, ANP

Adult Health Nurse Practitioner in Manhasset, NY · enumerated 2007.

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

National Provider Identifier

1063637726

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Registry record

Entity type Individual (Type 1)

Name Mrs. Stephanie C Johnston

Credential ANP

Sex Female

Practice address 450 Plandome Rd, Manhasset, NY, 11030

Phone (516) 365-5050

Enumeration date Apr 16, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F301689-1 (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.

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Frequently asked questions

What is the NPI number for Stephanie Johnston?

The National Provider Identifier (NPI) for Stephanie Johnston is 1063637726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephanie Johnston practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.