Colleen Marx, N.P.

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

2149 Issued in WI

Practice address

800 Lakefront Way
Two Rivers, WI 54241-3301

Phone

(920) 320-2436

Fax

(920) 320-5187

NPI assigned

Aug 17, 2006

Last updated

Mar 5, 2026By the provider in NPPES

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 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

Nurse Practitioner

Education

Other, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Froedtert Manitowoc Medical Group, LLCGroup PAC ID 2365836954, 156 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Holy Family Memorial Hospital, Manitowoc, WI, CCN 520107

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cmarx154518@direct.froedtert.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Froedtert Manitowoc Medical Group, LLC

  dba Froedtert Northeast Medical Group

  • Multi-Specialty Clinic/Center
  • Manitowoc, WI
  • NPI 1437829975
  Medicare reassignment Care Compare group NPD

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

• Holy Family Memorial Inc

  dba Froedtert Holy Family Memorial Hospital

  • General Acute Care Hospital
  • Manitowoc, WI
  • NPI 1700998697
  Care Compare affiliation

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

{
    "created_epoch": "1155772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772668800000",
    "number": "1891808242",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 LAKEFRONT WAY",
            "city": "TWO RIVERS",
            "state": "WI",
            "postal_code": "542413301",
            "telephone_number": "920-320-2436",
            "fax_number": "920-320-5187"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 LAKEFRONT WAY",
            "city": "TWO RIVERS",
            "state": "WI",
            "postal_code": "542413301",
            "telephone_number": "920-320-2436",
            "fax_number": "920-320-5187"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARX",
        "first_name": "COLLEEN",
        "credential": "N.P.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-17",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "2149",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "41185600",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "P00120686",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Megan Leigh Lyons, PSYD
• Raymond Mack, PT
• Maureen A Mahlik Puls, RD
• Nour Malas, PHARM D
• Courtney Lee Martin, MS
• Pamela J Masci, LCSW
• Virginia Matthews, RD
• Thomas R McCann, DO
• Jennifer L McDole, ACNP
• Cynthia Lynn McGraw, LPN

• Family Nurse Practitioner in Two Rivers, WI
• Providers in Two Rivers, WI by specialty
• Family Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 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.