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Marisa Massaro, NP

Family Medicine Physician in Stony Brook, NY · enumerated 2017 · practices at Doughty and Ryzova Medical Group PC.

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

National Provider Identifier

1891217774

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Registry record

Entity type Individual (Type 1)
Name Marisa Massaro
Credential NP
Sex Female
Practice address 2500 Nesconset Hwy Bldg 14, Stony Brook, NY, 11790
Phone (631) 689-6226
Fax (631) 675-0736
Enumeration date Jul 12, 2017
Last updated in NPPES Mar 5, 2024

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 342010 (NY) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier Type State Issuer
07176034 Medicaid NY -

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 Marisa Massaro?
The National Provider Identifier (NPI) for Marisa Massaro is 1891217774, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marisa Massaro practice?
The practice location on file with NPPES is in Stony Brook, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-05.