Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Alliad Pediatrics

Medical Physician Assistant in Great Neck, NY · enumerated 2011 · authorized official Maryellen Cassidy, Rpac.

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

National Provider Identifier

1063702710

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Registry record

Entity type Organization (Type 2)

Legal business name Alliad Pediatrics

Parent organization MD'S for Kids

Practice address 935 Northern Blvd, Great Neck, NY, 11021

Phone (516) 466-5437

Enumeration date Apr 14, 2011

Last updated in NPPES Apr 14, 2011

Taxonomy & classification

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 002298 (NY) Primary

Authorized official

Name Maryellen Cassidy

Title Rpac

Phone (516) 775-4506

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Alliad Pediatrics located?

The practice location on file with NPPES is in Great Neck, NY.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-04-14. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-14.