Individual provider Active NPI

Madeline Hammer

  • Acute Care Nurse Practitioner
  • Rochester, NY
National Provider Identifier
1669322210
Registry record updated Feb 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
433519 Issued in NY
Practice address
601 Elmwood Ave
Rochester, NY 14642-0002
Phone
(585) 275-6366
NPI assigned
Feb 2, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 2, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X 433519 NY Primary

Addresses

Primary practice location

601 Elmwood Ave
Rochester, NY 14642-0002

Mailing address

115 Heim Rd
Williamsville, NY 14221-1353

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20260310002860 NY Practitioner - Nurse Practitioner 7911480884 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

601 Elmwood Ave
Rochester, NY 14642-0001

601 Elmwood Ave
Box Surg
Rochester, NY 14642-8410

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
433519NYMDAcute Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University Cardiothoracic Surgery Group CurrentSince Apr 26, 2026 Accepting new patients

Locations

601 Elmwood Ave
Rochester, NY 14642
Phone (585) 275-9555

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1769990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1669322210",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "115 HEIM RD",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142211353"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 ELMWOOD AVE",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146420002",
            "telephone_number": "585-275-6366"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMMER",
        "first_name": "MADELINE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-02",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "NY",
            "license": "433519",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rochester, NY

Sources for this page

Verify at the official NPI Registry.