Marissa Lynn Steinhaus, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

8355-23 Issued in WI

Practice address

825 Walton Dr
Plymouth, WI 53073-5022

Phone

(920) 496-4700

NPI assigned

May 28, 2024

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 identifiers 1

Electronic endpoints 2

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, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

St. Nicholas Hospital-Sisters of the Third Order of St FrancisGroup PAC ID 8325931652, 178 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Nicholas Hospital Hospital, Sheboygan, WI, CCN 520044

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: msteinhaus503151@ewd.direct.hshs.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.

• St. Nicholas Hospital-Sisters of the Third Order of St Francis

  • Internal Medicine Physician
  • Sheboygan, WI
  • NPI 1275799413
  Medicare reassignment Care Compare group NPD (past)
• Prevea Clinic, Inc.

  • Internal Medicine Physician
  • Green Bay, WI
  • NPI 1306869276
  Medicare reassignment NPD
• St Vincent Hospital-Hospital Sisters-Third Order of St Francis

  • General Practice Physician
  • Green Bay, WI
  • NPI 1285613638
  Medicare reassignment
• Prevea Clinic, Inc.

  • Family Medicine Physician
  • Chippewa Falls, WI
  • NPI 1588110969
  NPD
• St Nicholas Hospital-Sisters of the Third Order of St Francis

  • Internal Medicine Physician
  • Sheboygan, WI
  • NPI 1447737762
  NPD
• St Vincent Hospital-Hospital Sisters-Third Order of St Francis

  • Otolaryngology Physician
  • Shawano, WI
  • NPI 1194314013
  NPD
• St Vincent Hospital-Hospital Sisters-Third Order of St Francis

  • Durable Medical Equipment & Medical Supplies
  • Green Bay, WI
  • NPI 1245042530
  NPD
• St. Nicholas Hospital-Sisters of the Third Order of St Francis

  • General Acute Care Hospital
  • Sheboygan, WI
  • NPI 1730184342
  NPD

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

• St Nicholas Hospital-Sisters of the Third Order of St. Francis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Sheboygan, WI
  • NPI 1427009992

  Hospital

  Care Compare affiliation
• St. Nicholas Hospital-Sisters of the Third Order of St Francis

  • General Acute Care Hospital
  • Sheboygan, WI
  • NPI 1730184342
  Care Compare affiliation

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

{
    "created_epoch": "1716854400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1073353017",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 19070",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543079070",
            "telephone_number": "920-496-4700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "825 WALTON DR",
            "city": "PLYMOUTH",
            "state": "WI",
            "postal_code": "530735022",
            "telephone_number": "920-496-4700"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1411 N Taylor Dr",
            "address_purpose": "LOCATION",
            "city": "Sheboygan",
            "state": "WI",
            "postal_code": "530813043",
            "country_code": "US",
            "telephone_number": "920-496-4700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STEINHAUS",
        "first_name": "MARISSA",
        "middle_name": "LYNN",
        "name_prefix": "Mrs.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-05-28",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "8355-23",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100389074",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "msteinhaus503151@ewd.direct.hshs.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "1411 N Taylor Dr",
            "city": "Sheboygan",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530813043",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "msteinhaus503151@ewd.direct.hshs.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "825 Walton Dr",
            "city": "Plymouth",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530735022",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• St Nicholas Hospital-Sisters of Third Order of St Francis
• Renee A Staehling, MD
• Madison Stanczak
• Michelle Steiner
• Heather Lynne Steinhardt, RPH
• Richard Brian Stenglein, PT
• Patricia M. Stone
• Jennifer Lynn Stricker, APNP
• Dai Sugimoto, ATC
• Sarah Lynn Termaat, LPN

• Physician Assistant in Plymouth, WI
• Providers in Plymouth, WI by specialty
• Physician Assistant in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 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.