Individual provider Active NPI

Timothy Dean Malouff, MD

  • Radiation Oncology Physician
  • Rochester, MN
National Provider Identifier
1558894469
Registry record updated Oct 20, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
75709 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905-5590
Phone
(507) 284-2511
NPI assigned
Apr 7, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 20, 2025

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 84196 WI
Radiation Oncology Physician 2085R0001X TRN24667 FL
Internal Medicine Physician 207R00000X TRN24667 FL
Radiation Oncology Physician 2085R0001X 75709 MN Primary
Radiation Oncology Physician 2085R0001X 39548 OK

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905-5590

Mailing address

PO Box 860912
Minneapolis, MN 55486-0912
Phone (507) 284-2511

Other practice location 1

1400 Bellinger Street
Eau Claire, WI 54703-5222
Phone (715) 838-5222

Other practice location 2

700 West Ave S
La Crosse, WI 54601-8806
Phone (608) 785-0940

Other practice location 3

800 NE 10th St
Oklahoma City, OK 73104-5418
Phone (719) 469-5214

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address tmalouff391418@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN, WI2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20240314002537 MN Practitioner - Radiation Oncology 4688944770 Reassigns benefits to 1 organization
I20251029000837 WI Practitioner - Radiation Oncology 4688944770 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Creighton University School of Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

Practice addresses (Care Compare)

200 1St St SW
Rochester, MN 55905-0001
Phone (507) 284-2511

201 W Ctr St
Rochester, MN 55902-3003
Phone (507) 255-5123

700 W Ave S
La Crosse, WI 54601-8806
Phone (608) 785-0940

800 W Ave S
La Crosse, WI 54601-8806
Phone (608) 785-0940

Hospital & facility affiliations

  • Mayo Clinic Hospital Rochester Hospital, Rochester, MN, CCN 240010
  • Mayo Clinic Health System in Red Wing Hospital, Red Wing, MN, CCN 240018

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
75709MNMDRadiation Oncology Physician
39548OKMDRadiation Oncology Physician
84196WIMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic CurrentSince Sep 17, 2025 Accepting new patients
Mayo Clinic CurrentSince Mar 1, 2024 Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Sep 17, 2025 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Sep 17, 2025 Accepting new patients
Mayo Clinic CurrentSince Mar 1, 2024 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Sep 17, 2025 Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Past Accepting new patients

Locations

4500 San Pablo Rd S
Jacksonville, FL 32224
Phone (904) 721-4815

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

733 W Clairemont Ave
Eau Claire, WI 54701
Phone (715) 838-3806

1400 Bellinger St
Eau Claire, WI 54703
Phone (715) 838-3311

700 West Ave S
La Crosse, WI 54601
Phone (608) 791-4156

800 E Blackhawk Ave
Prairie du Chien, WI 53821
Phone (608) 326-0808

Interoperability endpoints

  • Direct secure messaging: tmalouff25780@ouhealth.direct-ci.net
  • Direct secure messaging: tmalouff391418@ehrdirect.mayoclinicmsg.org

Organizations & group practices 9

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 2

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

NPI Registry JSON

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

{
    "created_epoch": "1491523200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760918400000",
    "number": "1558894469",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "507-284-2511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559055590",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1400 Bellinger Street",
            "address_purpose": "LOCATION",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547035222",
            "country_code": "US",
            "telephone_number": "715-838-5222",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "700 West Ave S",
            "address_purpose": "LOCATION",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546018806",
            "country_code": "US",
            "telephone_number": "608-785-0940",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "800 NE 10th St",
            "address_purpose": "LOCATION",
            "city": "Oklahoma City",
            "state": "OK",
            "postal_code": "731045418",
            "country_code": "US",
            "telephone_number": "719-469-5214",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MALOUFF",
        "first_name": "TIMOTHY",
        "middle_name": "DEAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-07",
        "last_updated": "2025-10-20",
        "certification_date": "2025-10-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "WI",
            "license": "84196",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "FL",
            "license": "TRN24667",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "FL",
            "license": "TRN24667",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MN",
            "license": "75709",
            "primary": true
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "OK",
            "license": "39548",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tmalouff391418@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559055590",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.