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Margaret Mary Estlow, PNP-BC

Pediatric Nurse Practitioner in Hamilton Square, NJ · enumerated 2010 · practices at Advocare, LLC.

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

National Provider Identifier

1528369162

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Registry record

Entity type Individual (Type 1)
Name Margaret Mary Estlow
Credential PNP-BC
Sex Female
Practice address 2133 State Highway 33, Lexington Square Commons, Hamilton Square, NJ, 08690
Phone (609) 581-5100
Fax (609) 581-5134
Enumeration date Nov 13, 2010
Last updated in NPPES Apr 29, 2021

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NN08807900 (NJ) Primary

Other identifiers

Identifier Type State Issuer
223537011 Other NJ ADVOCARE GARDEN STATE PEDIATRIC & ADOLESCENT MEDICINE

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 Margaret Estlow?
The National Provider Identifier (NPI) for Margaret Estlow is 1528369162, a Type 1 (individual) record in the CMS NPPES registry.
Where does Margaret Estlow practice?
The practice location on file with NPPES is in Hamilton Square, 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 2021-04-29.