Marissa Jessie Nicastro

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

601 Elmwood Ave
Rochester, NY 14642-0001

Phone

(585) 275-2100

NPI assigned

Apr 30, 2025

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

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Internal Medicine GroupGroup PAC ID 3476454661, 166 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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

• Internal Medicine Group

  • Internal Medicine Physician
  • Rochester, NY
  • NPI 1649220393
  Medicare reassignment Care Compare group NPD
• Internal Medicine Group

  • Obesity and Weight Management Nutrition Registered Dietitian
  • Rochester, NY
  • NPI 1184255176
  NPD

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

{
    "created_epoch": "1745971200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1780472571",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 ELMWOOD AVE",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146420001",
            "telephone_number": "585-275-2100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 ELMWOOD AVE",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146420001",
            "telephone_number": "585-275-2100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NICASTRO",
        "first_name": "MARISSA",
        "middle_name": "JESSIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-04-30",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vy Nguyen
• Christian C. Ngwu, RN
• Niarobi
• Gregg T. Nicandri, MD
• Katrina Fox Nicandri, MD
• Carrie Ann Nicchi, MS, NCC, MHC
• Maureen A Niche, FNP
• Carrie Marie Nicholas
• Catherine Elisabeth Nicholas
• Joseph Anthony Nicholas, M.D.

• Student in an Organized Health Care Education/Training Program in Rochester, NY
• Providers in Rochester, NY by specialty
• Student in an Organized Health Care Education/Training Program 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.