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Anne Marie Demarco-O'Keefe, APN

Pediatric Nurse Practitioner in Morristown, NJ · enumerated 2006.

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

National Provider Identifier

1689647612

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Registry record

Entity type Individual (Type 1)
Name Anne Marie Demarco-O'Keefe
Credential APN
Sex Female
Practice address 100 Madison Ave, Morristown, NJ, 07960
Phone (973) 971-6720
Fax (973) 401-2410
Enumeration date Feb 9, 2006
Last updated in NPPES Dec 14, 2010

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NN07709300 (NJ) 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 Anne Marie Demarco-O'Keefe?
The National Provider Identifier (NPI) for Anne Marie Demarco-O'Keefe is 1689647612, a Type 1 (individual) record in the CMS NPPES registry.
Where does Anne Marie Demarco-O'Keefe practice?
The practice location on file with NPPES is in Morristown, NJ. 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 2010-12-14.