Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Katherine Elizabth Demarco, APN-C

Family Nurse Practitioner in Hackensack, NJ · enumerated 2012 · practices at New Jersey Healthcare Specialists PC.

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

National Provider Identifier

1013275510

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Registry record

Entity type Individual (Type 1)

Name Mrs. Katherine Elizabth Demarco

Credential APN-C

Sex Female

Practice address 30 Prospect Avenue, Humc, Pain & Palliative Medicine Institute, Hackensack, NJ, 07601

Phone (201) 996-2000

Enumeration date May 3, 2012

Last updated in NPPES May 3, 2012

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NJ00370900 (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 Katherine Demarco?

The National Provider Identifier (NPI) for Katherine Demarco is 1013275510, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katherine Demarco practice?

The practice location on file with NPPES is in Hackensack, 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 2012-05-03.