NPIMap

Individual provider Active NPI

James Anthony Leschke, DO

  • Diagnostic Radiology Physician
  • Milwaukee, WI
National Provider Identifier
1851822233
Registry record updated Oct 30, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
0068127 Issued in CO
Practice address
2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Phone
(414) 649-3323
NPI assigned
Mar 27, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 30, 2023

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 73519 WI
Nuclear Radiology Physician 2085N0904X 0068127 CO
Vascular & Interventional Radiology Physician 2085R0204X 0068127 CO
Student in an Organized Health Care Education/Training Program 390200000X
Diagnostic Radiology Physician 2085R0202X 0068127 CO Primary

Addresses

Primary practice location

2900 W Oklahoma Ave
Milwaukee, WI 53215-4330

Mailing address

2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Phone (414) 649-3323

Other practice location 1

2500 E Capitol Dr
Appleton, WI 54911-8735
Phone (920) 739-5642

Other practice location 2

12605 E 16th Ave
Aurora, CO 80045-2545
Phone (720) 848-0000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, MI2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240223002156 WI Practitioner - Diagnostic Radiology 3678952769 Reassigns benefits to 5 organizations
I20251117003396 MI Practitioner - Diagnostic Radiology 3678952769 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Rocky Vista University College of Osteopathic Med, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Radiology CharteredGroup PAC ID 1557394988, 39 clinicians
Premier Radiology Wisconsin LLCGroup PAC ID 9537595533, 111 clinicians
Thedacare, IncorporatedGroup PAC ID 1759294887, 654 clinicians

Practice addresses (Care Compare)

Marquette, MI 49855
Phone (920) 499-2766

100 County Rd B
Shawano, WI 54166-7072
Phone (920) 358-1520

10180 Washington Ave
Mount Pleasant, WI 53177-1604
Phone (414) 973-7830

1789 Shawano Ave
Green Bay, WI 54303-3243
Phone (920) 499-1428

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

2400 E Capitol Dr
Appleton, WI 54911-8728
Phone (920) 358-1520

2500 E Capital Dr
Appleton, WI 54911-8735
Phone (920) 364-3600

3916 N Intertech Court
Appleton, WI 54913-6956
Phone (920) 358-1520

5471 W Waterford LN
Appleton, WI 54913-8510
Phone (920) 358-1520

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
0068127COMDVascular & Interventional Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Premier Radiology Wisconsin, LLC Diagnostic Radiology CurrentSince Apr 23, 2025 Accepting new patients
Radiology Chartered Diagnostic Radiology CurrentSince Dec 1, 2025 Accepting new patients
Thedacare, Incorporated CurrentSince Jan 10, 2024 Accepting new patients
Radiology Associates of Appleton, S.C. Diagnostic Radiology CurrentSince Mar 17, 2024 Accepting new patients
Tomah Memorial Hospital Inc CurrentSince Jul 1, 2025 Accepting new patients
Tomah Memorial Hospital Inc Diagnostic Radiology CurrentSince Jul 1, 2025 Accepting new patients
Medical X-Ray Consultants, LTD Nuclear Radiology Past Accepting new patients
Radiology Associates of Appleton, S.C. PastSince Mar 26, 2023 Accepting new patients
Wisconsin Radiology Specialists, S C Past Accepting new patients

Locations

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

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

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

225 Memorial Dr
Berlin, WI 54923
Phone (920) 361-1313

19333 W North Ave
Brookfield, WI 53045
Phone (262) 785-2000

10101 S 27th St
Franklin, WI 53132
Phone (414) 325-4700

375 W River Woods Pkwy
Glendale, WI 53212
Phone (414) 326-1500

1789 Shawano Ave
Green Bay, WI 54303
Phone (920) 494-2310

N88W14275 Main St
Menomonee Fls, WI 53051
Phone (262) 415-2001

12831 N Port Washington Rd
Mequon, WI 53097
Phone (262) 643-1300

2301 N Lake Dr
Milwaukee, WI 53211
Phone (414) 270-4932

3237 S 16th St
Milwaukee, WI 53215
Phone (414) 647-5000

4935 S 76th St
Milwaukee, WI 53220
Phone (414) 259-7505

5000 W Chambers St
Milwaukee, WI 53210
Phone (414) 447-2089

10180 Washington Ave
Ste 101
Mount Pleasant, WI 53177
Phone (414) 973-7830

10180 Washington Ave
Mount Pleasant, WI 53177
Phone (414) 769-4040

3803 Spring St
Mount Pleasant, WI 53405
Phone (262) 687-5236

3 Neenah Ctr
Neenah, WI 54956
Phone (920) 454-4229

600 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 237-5000

100 Cty Road B
Shawano, WI 54166
Phone (715) 524-2161

13111 N Port Washington Rd
Thiensville, WI 53097
Phone (262) 243-7300

501 Gopher Dr
Tomah, WI 54660
Phone (608) 371-2181

Interoperability endpoints

  • Direct secure messaging: jleschke1060962@direct.gundersenhealth.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 11

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": "1490572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1698624000000",
    "number": "1851822233",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2900 W OKLAHOMA AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532154330",
            "telephone_number": "414-649-3323"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2900 W OKLAHOMA AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532154330",
            "telephone_number": "414-649-3323"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2500 E Capitol Dr",
            "address_purpose": "LOCATION",
            "city": "Appleton",
            "state": "WI",
            "postal_code": "549118735",
            "country_code": "US",
            "telephone_number": "920-739-5642",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12605 E 16th Ave",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "CO",
            "postal_code": "800452545",
            "country_code": "US",
            "telephone_number": "720-848-0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LESCHKE",
        "first_name": "JAMES",
        "middle_name": "ANTHONY",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-27",
        "last_updated": "2023-10-30",
        "certification_date": "2023-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WI",
            "license": "73519",
            "primary": false
        },
        {
            "code": "2085N0904X",
            "taxonomy_group": "",
            "desc": "Radiology, Nuclear Radiology",
            "state": "CO",
            "license": "0068127",
            "primary": false
        },
        {
            "code": "2085R0204X",
            "taxonomy_group": "",
            "desc": "Radiology, Vascular & Interventional Radiology",
            "state": "CO",
            "license": "0068127",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CO",
            "license": "0068127",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.