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Rosann Catherine Dalessandro, DO FACO1

Hematology & Oncology Physician in Huntington, NY · enumerated 2006 · practices at Main Source Pharmacy Inc.

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

National Provider Identifier

1457328288

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Registry record

Entity type Individual (Type 1)
Name Rosann Catherine Dalessandro
Credential DO FACO1
Sex Female
Practice address 347 Main St, Huntington, NY, 11743
Phone (631) 427-6060
Fax (631) 549-4858
Enumeration date Mar 1, 2006
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 169272 (NY) Primary

Other identifiers

Identifier Type State Issuer
01592552 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 Rosann Dalessandro?
The National Provider Identifier (NPI) for Rosann Dalessandro is 1457328288, a Type 1 (individual) record in the CMS NPPES registry.
Where does Rosann Dalessandro practice?
The practice location on file with NPPES is in Huntington, NY. 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 2007-07-08.