Sadie Deforest

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

Practice address

600 Highland Ave
Madison, WI 53792-0001

Phone

(608) 263-6400

NPI assigned

Jul 21, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Sadie Siarkiewicz Former name

Electronic endpoints 1

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

University of Wisconsin Medical Foundation IncGroup PAC ID 6608785464, 2,537 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Wi Hospitals & Clinics Authority Hospital, Madison, WI, CCN 520098
• Fort Memorial Hospital Hospital, Fort Atkinson, WI, CCN 520071
• Unitypoint Health - Meriter Hospital, Madison, WI, CCN 520089
• Uw Health Hospital, Rockford, IL, CCN 140228
• Reedsburg Area Medical Center Hospital, Reedsburg, WI, CCN 521351

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

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ssiarkiewicz1260695@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 Care Compare group NPD
• University of Wisconsin Medical Foundation, Inc

  • Health Educator
  • Madison, WI
  • NPI 1487414082
  NPD
• University of Wisconsin Medical Foundation Inc

  • Durable Medical Equipment & Medical Supplies
  • Cross Plains, WI
  • NPI 1174583363
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Fort Healthcare Inc

  • Otolaryngology Physician
  • Fort Atkinson, WI
  • NPI 1417993361

  Hospital

  Care Compare affiliation
• Fort Healthcare, Inc.

  • General Acute Care Hospital
  • Fort Atkinson, WI
  • NPI 1811916281
  Care Compare affiliation
• Meriter Hospital, Inc.

  • Rehabilitation Clinic/Center
  • Madison, WI
  • NPI 1073672556

  Hospital

  Care Compare affiliation
• Meriter Hospital, Inc.

  • General Acute Care Hospital
  • Madison, WI
  • NPI 1114920048
  Care Compare affiliation
• Reedsburg Area Medical Center, Inc.

  • Family Medicine Physician
  • Reedsburg, WI
  • NPI 1457780983

  Hospital

  Care Compare affiliation
• Reedsburg Area Medical Center, Inc.

  • Critical Access Hospital
  • Reedsburg, WI
  • NPI 1891796710
  Care Compare affiliation
• University of Wisconsin Hospitals and Clinics Authority

  • General Acute Care Hospital
  • Madison, WI
  • NPI 1922043744
  Care Compare affiliation
• Swedishamerican Hospital

  • General Acute Care Hospital
  • Rockford, IL
  • NPI 1760542732
  Care Compare affiliation

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

{
    "created_epoch": "1658361600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1275268427",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2283 WASHINGTON RD",
            "city": "STOUGHTON",
            "state": "WI",
            "postal_code": "535893659",
            "telephone_number": "920-650-8838"
        },
        {
            "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": "608-263-6400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEFOREST",
        "first_name": "SADIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-07-21",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ssiarkiewicz1260695@direct.uwhealth.org",
            "affiliation": "N",
            "address_1": "600 Highland Ave",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537920001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "SADIE",
            "last_name": "SIARKIEWICZ",
            "credential": "PA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Deen Transit Solutions LLC
• Susan M Deeren, RN, MS, APNP
• Jennifer Anne Defever, PHARMD
• Patricia L Deffner-Valley
• Donna B Defoe, LCSW
• Beth N Degarmo, PA-C
• Kayla Marie Degnan
• Abigail Degner, PA
• Carrie Ann Degowin
• Fran L Degraff, LCSW

• Medical Physician Assistant in Madison, WI
• Providers in Madison, WI by specialty
• Medical Physician Assistant in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 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.