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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Rosemary A. Mahan, RN, CPNP

Pediatric Nurse Practitioner in Stony Brook, NY · enumerated 2008.

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

National Provider Identifier

1073773529

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Registry record

Entity type Individual (Type 1)
Name Mrs. Rosemary A. Mahan
Credential RN, CPNP
Sex Female
Practice address Department of Pediatrics, Health Sciences Center Tower 11 Room 020, Stony Brook, NY, 11794
Phone (631) 444-7720
Fax (631) 444-7865
Enumeration date Jun 9, 2008
Last updated in NPPES Mar 10, 2010

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F380497-1 (NY) Primary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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.

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Frequently asked questions

Is NPI 1073773529 active?
Yes, as of the latest NPPES snapshot, NPI 1073773529 is active (record last updated 2010-03-10).
How do I verify Rosemary Mahan's NPI record?
Cross-check NPI 1073773529 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-03-10.