Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Robert J Mascarelli, PHYSICIAN ASSISTANT

Surgical Physician Assistant in Rockville Centre, NY · enumerated 2006.

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

National Provider Identifier

1932145687

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Registry record

Entity type Individual (Type 1)

Name Mr. Robert J Mascarelli

Credential PHYSICIAN ASSISTANT

Sex Male

Practice address 100 Merrick Rd, Suite 128w, Rockville Centre, NY, 11570

Phone (516) 255-9031

Fax (616) 255-6010

Enumeration date Jun 21, 2006

Last updated in NPPES Jan 6, 2022

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 008855-1 (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

Where does Robert Mascarelli practice?

The practice location on file with NPPES is in Rockville Centre, NY. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Robert Mascarelli?

The National Provider Identifier (NPI) for Robert Mascarelli is 1932145687, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-06.