Stefan V Zachary, DO MS

Primary specialty

Orthopaedic Hand Surgery PhysicianTaxonomy code 207XS0106X

License

37389-21 Issued in WI

Practice address

600 Highland Ave
Madison, WI 53792-0001

Phone

(608) 263-7540

Fax

(608) 833-6932

NPI assigned

Apr 18, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Merit-based Incentive Payment System (MIPS)

Final score

83.32 of 100Reported as group

Quality

87.78

Promoting interoperability

77

Improvement activities

40

Cost

75.8

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Master of Science

State licenses

Interoperability endpoints

• Direct secure messaging: szachary68509@direct.uwhealth.org

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.

• University of Wisconsin Medical Foundation, Inc

  • Multi-Specialty Clinic/Center
  • Middleton, WI
  • NPI 1598784555
  Medicare reassignment

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

{
    "created_epoch": "1145318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773705600000",
    "number": "1104881895",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 HIGHLAND AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537920001",
            "telephone_number": "608-263-7540",
            "fax_number": "608-833-6932"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZACHARY",
        "first_name": "STEFAN",
        "middle_name": "V",
        "credential": "DO MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-18",
        "last_updated": "2026-03-17",
        "certification_date": "2026-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0106X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": "WI",
            "license": "37389-21",
            "primary": true
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "WI",
            "license": "37389",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Z.R. Peaceful Home Care LLC
• Robert Charles Tanner Zaas
• Mohamed Ahmed Zaazoue, MD
• Lauren Michelle Zabel, MD
• Monica Marie Zablotney, NP-BC
• Casey Zadoka, APSW
• Jacob Daniel Zadra, MD
• Kathleen Zadra
• Stephanie Lynn Zadra
• Micah Susan Zaemisch

• Orthopaedic Hand Surgery Physician in Madison, WI
• Providers in Madison, WI by specialty
• Orthopaedic Hand Surgery Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.