NPIMap

Individual provider Active NPI

Michael E Ray, MD PHD

  • Radiation Oncology Physician
  • Appleton, WI
National Provider Identifier
1891888269
Registry record updated May 1, 2008
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
4301073755 Issued in MI
Practice address
900 E Grant
Appleton, WI 54911-3487
Phone
(920) 738-6340
Fax
(920) 738-6435
NPI assigned
Sep 30, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 1, 2008

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 4301073755 MI Primary

Addresses

Primary practice location

900 E Grant
Appleton, WI 54911-3487

Mailing address

2500 E Enterprise
Unit C
Appleton, WI 54913
Phone (920) 739-5642

Other identifiers 1

IdentifierTypeStateIssuer
4537599MedicaidMI

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070306000413 WI Practitioner - Radiation Oncology 0547276149 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
University of Michigan Medical School, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Newtro SCGroup PAC ID 7315437365, 7 clinicians

Practice addresses (Care Compare)

1818 N Meade St
Appleton, WI 54911-3454
Phone (920) 358-1520

2500 E Capital Dr
Appleton, WI 54911-8735
Phone (920) 454-3300

2820 Roosevelt Rd
Marinette, WI 54143-3834
Phone (715) 735-5225

820 Arbutus Ave
Oconto, WI 54153-2004
Phone (920) 835-1100

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301073755MIMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Newtro SC CurrentSince Sep 29, 2025 Accepting new patients
Oconto Hospital & Medical Center Inc CurrentSince Aug 1, 2017 Accepting new patients
Oconto Hospital & Medical Center Inc CurrentSince Aug 1, 2017 Accepting new patients
Radiology Associates of Appleton, S.C. Radiation Oncology CurrentSince Mar 1, 2007 Accepting new patients
Oconto Hospital & Medical Center Inc Current Accepting new patients
Radiology Associates of Appleton, S.C. Radiation Oncology CurrentSince Mar 1, 2007 Accepting new patients
Radiation Oncology Alliance Radiation Oncology Past Accepting new patients

Locations

2500 E Capitol Dr
Appleton, WI 54911
Phone (920) 738-4600

4480 W Spencer St
Appleton, WI 54914
Phone (920) 738-4800

1818 N Meade St
Appleton, WI 54911
Phone (920) 731-4101

2500 E Enterprise Ave
Ste C
Appleton, WI 54913
Phone (920) 739-5642

1580 Commanche Ave
Green Bay, WI 54313
Phone (920) 431-5687

744 S Webster Ave
Green Bay, WI 54301
Phone (920) 433-6025

2820 Roosevelt Rd
Marinette, WI 54143
Phone (715) 330-6171

130 2nd St
Neenah, WI 54956
Phone (920) 729-2063

820 Arbutus Ave
Oconto, WI 54153
Phone (920) 835-1100

Interoperability endpoints

  • Direct secure messaging: mray18260@direct.thedacare.org
  • Direct secure messaging: mray982592@direct.emplifyhealth.org

Organizations & group practices 7

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.

Hospital & facility affiliations 16

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1159574400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1209600000000",
    "number": "1891888269",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 E ENTERPRISE",
            "address_2": "UNIT C",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "54913",
            "telephone_number": "920-739-5642",
            "fax_number": "920-968-0259"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 E GRANT",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549113487",
            "telephone_number": "920-738-6340",
            "fax_number": "920-738-6435"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RAY",
        "first_name": "MICHAEL",
        "middle_name": "E",
        "credential": "MD PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-30",
        "last_updated": "2008-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MI",
            "license": "4301073755",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4537599",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Appleton, WI

Sources for this page

Verify at the official NPI Registry.