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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Katherine Ellen Mahar, A.N.P.

Adult Health Nurse Practitioner in Saugerties, NY · enumerated 2008.

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

National Provider Identifier

1811163330

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Registry record

Entity type Individual (Type 1)
Name Ms. Katherine Ellen Mahar
Credential A.N.P.
Sex Female
Practice address 854 Route 212, Saugerties, NY, 12477
Phone (845) 246-2804
Fax (845) 246-3053
Enumeration date May 5, 2008
Last updated in NPPES May 5, 2008

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F304838-1 (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 Katherine Mahar?
The National Provider Identifier (NPI) for Katherine Mahar is 1811163330, a Type 1 (individual) record in the CMS NPPES registry.
Where does Katherine Mahar practice?
The practice location on file with NPPES is in Saugerties, NY. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-05.