Individual provider Active NPI

Mark S Lang, MD

  • Orthopaedic Surgery Physician
  • Sheboygan, WI
National Provider Identifier
1952418402
Registry record updated Apr 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
39091 Issued in WI
Practice address
3400 Union Ave
Sheboygan, WI 53081-8426
Phone
(920) 828-2530
Fax
(920) 828-2535
NPI assigned
Aug 23, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 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 39091 WI Primary

Addresses

Primary practice location

3400 Union Ave
Sheboygan, WI 53081-8426

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other identifiers 1

IdentifierTypeStateIssuer
34068500MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address mlang45083@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

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
I20100612000088 WI Practitioner - Orthopedic Surgery 2668502931 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Other, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

1020 N 12TH St
Milwaukee, WI 53233-1308
Phone (414) 219-3056

2600 Kiley Way
Plymouth, WI 53073-5020
Phone (920) 449-7000

3400 Union Ave
Sheboygan, WI 53081-8426
Phone (920) 828-2530

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement15
Knee replacement26
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10
Upper limb (arm) arthroscopy (minimally invasive joint repair)11
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
39091WIMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Aug 1, 2001 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Aug 1, 2001 Accepting new patients

Locations

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

3301 W Forest Home Ave
Milwaukee, WI 53215
Phone (414) 389-2233

3400 Union Ave
Sheboygan, WI 53081
Phone (920) 802-2100

620 S Wisconsin Dr
Sheboygan, WI 53083
Phone (920) 565-4595

2414 Kohler Memorial Dr
Sheboygan, WI 53081
Phone (920) 457-4461

Interoperability endpoints

  • Direct secure messaging: mlang45083@direct.myadvocateaurora.org

Organizations & group practices 2

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 3

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": "1156291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743984000000",
    "number": "1952418402",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3400 UNION AVE",
            "city": "SHEBOYGAN",
            "state": "WI",
            "postal_code": "530818426",
            "telephone_number": "920-828-2530",
            "fax_number": "920-828-2535"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LANG",
        "first_name": "MARK",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-23",
        "last_updated": "2025-04-07",
        "certification_date": "2025-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "WI",
            "license": "39091",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34068500",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mlang45083@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2414 Kohler Memorial Dr",
            "city": "Sheboygan",
            "state": "WI",
            "country_code": "US",
            "postal_code": "53081",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2414 Kohler Memorial Dr",
            "city": "Sheboygan",
            "state": "WI",
            "country_code": "US",
            "postal_code": "53081",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Sheboygan, WI

Sources for this page

Verify at the official NPI Registry.