Individual provider Active NPI

James Steven Dahm, MD

  • Orthopaedic Surgery Physician
  • Madison, WI
National Provider Identifier
1649763947
Registry record updated Oct 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
83493 Issued in WI
Practice address
2501 W Beltline Hwy Ste 601
Madison, WI 53713-2309
Phone
(608) 234-7436
Fax
(866) 939-2673
NPI assigned
Jun 11, 2018
Last updated
Oct 7, 2025By the provider in NPPES
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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 125.071697 IL
Orthopaedic Surgery Physician 207X00000X 83493 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 (866) 974-2673

Other practice location 1

123 Hospital Dr Ste 1008
Watertown, WI 53098-3320
Phone (920) 206-6500

Other identifiers 1

IdentifierTypeStateIssuer
100277039MedicaidWI

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address him@marshfieldclinichealthsystem.cernerdirect.com

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
I20240607001296 WI Practitioner - Orthopedic Surgery 8628325453 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Other, 2018
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)

11101 N Sherman Rd
Edgerton, WI 53534-9002
Phone (608) 884-3441

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
69.34 of 100Reported as group
Quality
87.81
Promoting interoperability
100
Improvement activities
40
Cost
10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
83493WIMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Orthopedic & Spine Centers of Wisconsin, SC. CurrentSince Jul 1, 2024 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Edgerton Hospital and Health Services Inc. CurrentSince Sep 1, 2024 Accepting new patients
Beltway Surgery Centers LLC Current Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Sep 18, 2024 Accepting new patients
MCHS Hospitals Inc CurrentSince Sep 18, 2024 Accepting new patients
Beloit Health System, Inc CurrentSince Oct 6, 2024 Accepting new patients
Upland Hills Health, Inc CurrentSince Sep 1, 2024 Accepting new patients
Orthopedic & Spine Centers of Wisconsin, SC. Orthopaedic Surgery CurrentSince Jul 1, 2024 Accepting new patients
Beloit Health System Inc Orthopaedic Surgery Current Accepting new patients
Upland Hills Health Inc Orthopaedic Surgery Current Accepting new patients
Indiana University Health Ambulatory Surgery Centers, LLC Current Accepting new patients
Beloit Health System, Inc CurrentSince Oct 6, 2024 Accepting new patients
Marshfield Clinic Inc CurrentSince Sep 18, 2024 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Sep 18, 2024 Accepting new patients
Edgerton Hospital and Health Services, Inc CurrentSince Sep 1, 2024 Accepting new patients
MCHS Hospitals Inc CurrentSince Sep 18, 2024 Accepting new patients
Edgerton Hospital and Health Services Past Accepting new patients
Upland Hills Health, Inc. Past Accepting new patients

Locations

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

8501 Harcourt Rd
Indianapolis, IN 46260
Phone (317) 471-4339

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

707 S University Ave
Beaver Dam, WI 53916
Phone (920) 887-4006

1735 Madison Rd
Beloit, WI 53511
Phone (608) 363-7510

1905 E Huebbe Pkwy
Beloit, WI 53511
Phone (608) 364-2293

1969 W Hart Rd
Beloit, WI 53511
Phone (608) 364-5011

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

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

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

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

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

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

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

Interoperability endpoints

  • Direct secure messaging: him@marshfieldclinichealthsystem.cernerdirect.com
  • FHIR API: https://fhir-myrecord.cerner.com/r4/67ff075a-8289-4f2d-a8eb-5dc1f0d954ab/
  • Direct secure messaging: james.dahm.1@22724.direct.athenahealth.com
  • Direct secure messaging: jdahm518581@direct-ehr-ssmhc.com

Organizations & group practices 19

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.

View all 19

Hospital & facility affiliations 8

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": "1528675200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759795200000",
    "number": "1649763947",
    "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": "866-974-2673",
            "fax_number": "866-939-2673"
        },
        {
            "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",
            "fax_number": "866-939-2673"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "123 Hospital Dr Ste 1008",
            "address_purpose": "LOCATION",
            "city": "Watertown",
            "state": "WI",
            "postal_code": "530983320",
            "country_code": "US",
            "telephone_number": "920-206-6500",
            "fax_number": "920-261-4013",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DAHM",
        "first_name": "JAMES",
        "middle_name": "STEVEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-06-11",
        "last_updated": "2025-10-07",
        "certification_date": "2025-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "IL",
            "license": "125.071697",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "WI",
            "license": "83493",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100277039",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "address_1": "707 S University Ave",
            "city": "Beaver Dam",
            "state": "WI",
            "country_code": "US",
            "postal_code": "539163027",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.