Rosann Catherine Dalessandro, DO FACO1

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

169272 Issued in NY

Practice address

347 Main St
Huntington, NY 11743-6914

Phone

(631) 427-6060

Fax

(631) 549-4858

NPI assigned

Mar 1, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Eastern Long Island Hematology Oncology, P.C.

  • Hematology & Oncology Physician
  • Riverhead, NY
  • NPI 1861560906
  NPD (past)
• Main Source Pharmacy Inc

  dba Main Source Pharmacy

  • Community/Retail Pharmacy
  • Huntington, NY
  • NPI 1689179178
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1141171200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1457328288",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "347 MAIN ST",
            "city": "HUNTINGTON",
            "state": "NY",
            "postal_code": "117436914",
            "telephone_number": "631-427-6060",
            "fax_number": "631-549-4858"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "347 MAIN ST",
            "city": "HUNTINGTON",
            "state": "NY",
            "postal_code": "117436914",
            "telephone_number": "631-427-6060",
            "fax_number": "631-549-4858"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DALESSANDRO",
        "first_name": "ROSANN",
        "middle_name": "CATHERINE",
        "credential": "DO  FACO1",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "169272",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01592552",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alex A Czira, MD
• Cassandra Ann D'Accordo, PH.D.
• Danielle D'Aguanno
• Jacqueline D'Aquila
• Kamal D Dagly, M.D.
• Lee Ann Daly, MS, CGC
• Taylor Bliss Dambrosio
• Michael J Dannenberg, MD
• Lisha Dash, LMSW
• Ciara Dasilva

• Hematology & Oncology Physician in Huntington, NY
• Providers in Huntington, NY by specialty
• Hematology & Oncology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.