Reid A Sousek, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

48401-020 Issued in WI

Practice address

3329 N Richmond St
Appleton, WI 54911-1063

Phone

(920) 380-2720

NPI assigned

Mar 9, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Loyola University of Chicago, Stritch School of Medicine, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Medicine Specialists SCGroup PAC ID 8729975461, 220 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension NE Wisconsin - St Elizabeth Campus Hospital, Appleton, WI, CCN 520009

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Emergency Medicine Specialists, S.C.

  • Emergency Medicine Physician
  • Milwaukee, WI
  • NPI 1568413524
  Medicare reassignment Care Compare group
• Ascension Medical Group-Fox Valley Wisconsin, Inc

  • Multi-Specialty Clinic/Center
  • Neenah, WI
  • NPI 1730126392
  Medicare reassignment NPD
• Ascension Medical Group-Fox Valley Wisconsin, Inc

  • Cardiovascular Disease Physician
  • Appleton, WI
  • NPI 1831890177
  NPD

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

• Ascension NE Wisconsin, Inc

  • Ambulatory Surgical Clinic/Center
  • Menasha, WI
  • NPI 1124075536

  Hospital

  Care Compare affiliation
• Ascension NE Wisconsin, Inc

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1407803638
  Care Compare affiliation

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

{
    "created_epoch": "1141862400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784073600000",
    "number": "1275501041",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3329 N RICHMOND ST",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549111063",
            "telephone_number": "920-380-2720"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3329 N RICHMOND ST",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549111063",
            "telephone_number": "920-380-2720"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SOUSEK",
        "first_name": "REID",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-09",
        "last_updated": "2026-07-15",
        "certification_date": "2026-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "48401-020",
            "primary": false
        },
        {
            "code": "2083X0100X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Occupational Medicine",
            "state": "WI",
            "license": "48401-020",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "48401-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34818800",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Carey Lynn Sorenson, PHD
• Philip D Sorenson, PT
• Lynn Marie Sosnosky, OTR
• Sound Mind LLC
• Angela Sours, RPH
• Samuel A. Southard, CRNA
• Zachary W Southard, CRNA
• David L Sovine, MD
• John E Sowin, M.D.
• Loreli E Spaay-Joslin, RN

• Family Medicine Physician in Appleton, WI
• Providers in Appleton, WI by specialty
• Family Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 15, 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.