Individual provider Active NPI

Zachary Graff, M.D.

  • Medical Oncology Physician
  • Milwaukee, WI
National Provider Identifier
1952798274
Registry record updated Jul 29, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
75598 Issued in WI
Practice address
9000 W Wisconsin Ave
Milwaukee, WI 53226-4874
Phone
(414) 955-4170
Fax
(414) 955-6543
NPI assigned
Apr 24, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 75598 WI
Medical Oncology Physician 207RX0202X 75598 WI Primary

Addresses

Primary practice location

9000 W Wisconsin Ave
Milwaukee, WI 53226-4874

Mailing address

9000 W Wisconsin Ave
Milwaukee, WI 53226-4874
Phone (414) 955-4170

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210903002349 WI Practitioner - General Surgery 1850797572 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Texas Tech University Health Science Center School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Childrens Specialty Group IncGroup PAC ID 2567813447, 206 clinicians

Practice addresses (Care Compare)

9000 W Wisconsin Ave
Milwaukee, WI 53226-4874
Phone (414) 266-2000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
75598WIMDMedical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Children's Specialty Group, Inc. CurrentSince Sep 2, 2025 Accepting new patients
The Medical College of Wisconsin, Inc. CurrentSince Aug 1, 2021 Accepting new patients

Locations

8701 Watertown Plank Rd
Wauwatosa, WI 53226
Phone (414) 456-4100

9000 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 266-2625

Interoperability endpoints

  • Direct secure messaging: zgraff90979@direct.chw.org

Organizations & group practices 2

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": "1429833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1627516800000",
    "number": "1952798274",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532264874",
            "telephone_number": "414-955-4170",
            "fax_number": "414-955-6543"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532264874",
            "telephone_number": "414-955-4170",
            "fax_number": "414-955-6543"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRAFF",
        "first_name": "ZACHARY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-24",
        "last_updated": "2021-07-29",
        "certification_date": "2021-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "WI",
            "license": "75598",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "WI",
            "license": "75598",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.