Individual provider Active NPI

James J Prosser, DO

  • Orthopaedic Surgery Physician
  • Madison, WI
National Provider Identifier
1649235672
Registry record updated Oct 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
48524-21 Issued in WI
Practice address
2501 W Beltline Hwy Ste 601
Madison, WI 53713-2309
Phone
(608) 234-7436
NPI assigned
Apr 20, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 7, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 48524-21 WI Primary

Addresses

Primary practice location

2501 W Beltline Hwy Ste 601
Madison, WI 53713-2309

Mailing address

18444 N 25TH Ave Ste 310
Phoenix, AZ 85023-1266
Phone (608) 234-7436

Other practice location 1

123 Hospital Dr Ste 1008
Watertown, WI 53098
Phone (920) 206-6500

Other identifiers 1

IdentifierTypeStateIssuer
1649235672MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address jprosser262261@direct-ehr-ssmhc.com Direct
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other

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
I20051006000090 WI Practitioner - Orthopedic Surgery 8224053558 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
At Still University of Health Sciences, College of Osteo Med, Kirksville, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Upland Hills Health IncGroup PAC ID 3072415553, 97 clinicians

Practice addresses (Care Compare)

2501 W Beltline Hwy
Suite 601
Madison, WI 53713-2309
Phone (608) 234-7436

800 Compassion Way
Dodgeville, WI 53533-1956
Phone (608) 930-8000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.38 of 100Reported as group
Quality
75.94
Promoting interoperability
89
Improvement activities
40
Cost
74.5

Merit-based Incentive Payment System (MIPS)

Final score
91.64 of 100Reported as group
Quality
97.3
Promoting interoperability
100
Improvement activities
40
Cost
74.83

Merit-based Incentive Payment System (MIPS)

Final score
80.26 of 100Reported as group
Quality
92.24
Promoting interoperability
100
Improvement activities
40
Cost
41.97

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement1-10
Knee replacement1-10
Upper limb (arm) arthroscopy (minimally invasive joint repair)1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
48524-21WIMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Edgerton Hospital and Health Services, Inc CurrentSince Oct 1, 2024 Accepting new patients
Upland Hills Health, Inc CurrentSince Feb 1, 2024 Accepting new patients
Upland Hills Health Inc Orthopaedic Surgery CurrentSince Feb 1, 2024 Accepting new patients
Watertown Physician Practices LLC Current Accepting new patients
Southwest Health Center, Inc. CurrentSince Dec 16, 2022 Accepting new patients
Watertown Physician Practices LLC Orthopaedic Surgery CurrentSince Jan 21, 2024 Accepting new patients
Orthopedic & Spine Centers of Wisconsin, SC. CurrentSince Jul 30, 2023 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Aug 26, 2023 Accepting new patients
Watertown Physician Practices LLC CurrentSince Jan 21, 2024 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Aug 26, 2023 Accepting new patients
Edgerton Hospital and Health Services Inc. CurrentSince Oct 1, 2025 Accepting new patients
Edgerton Hospital and Health Services CurrentSince Oct 1, 2024 Accepting new patients
Southwest Health Center, Inc. CurrentSince Dec 16, 2022 Accepting new patients
Orthopedic & Spine Centers of Wisconsin, SC. Orthopaedic Surgery CurrentSince Jul 30, 2023 Accepting new patients
Southwest Health Center, Inc CurrentSince Dec 1, 2025 Accepting new patients

Locations

18444 N 25th Ave
Ste 310
Phoenix, AZ 85023
Phone (623) 241-8706

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

800 Compassion Way
Dodgeville, WI 53533
Phone (608) 930-7200

11101 N Sherman Rd
Edgerton, WI 53534
Phone (608) 884-1695

2501 W Beltline Hwy
Ste 601
Madison, WI 53713
Phone (608) 234-7436

831 Arthur Dr
Milton, WI 53563
Phone (608) 868-3526

1400 Eastside Rd
Platteville, WI 53818
Phone (608) 342-4712

123 Hospital Dr
Ste 1008
Watertown, WI 53098
Phone (920) 206-6500

1507 Doctors Ct
Watertown, WI 53094
Phone (920) 261-4111

Interoperability endpoints

  • Direct secure messaging: jprosser262261@direct-ehr-ssmhc.com
  • Direct secure messaging: james.prosser.1@22724.direct.athenahealth.com

Organizations & group practices 15

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.

View all 15

Hospital & facility affiliations 10

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": "1145491200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759795200000",
    "number": "1649235672",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18444 N 25TH AVE STE 310",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850231266",
            "telephone_number": "608-234-7436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2501 W BELTLINE HWY STE 601",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537132309",
            "telephone_number": "608-234-7436"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "123 Hospital Dr Ste 1008",
            "address_purpose": "LOCATION",
            "city": "Watertown",
            "state": "WI",
            "postal_code": "53098",
            "country_code": "US",
            "telephone_number": "920-206-6500",
            "fax_number": "920-261-4013",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PROSSER",
        "first_name": "JAMES",
        "middle_name": "J",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-20",
        "last_updated": "2025-10-07",
        "certification_date": "2025-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "WI",
            "license": "48524-21",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1649235672",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jprosser262261@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "jprosser262261@direct-ehr-ssmhc.com",
            "address_1": "1821 S Stoughton Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537162257",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "1821 S Stoughton Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537162257",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.