Katherine Shanon McQuillan, APNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

4494-33 Issued in WI

Practice address

507 S Monroe St
Lancaster, WI 53813-2054

Phone

(608) 723-2131

NPI assigned

Aug 9, 2011

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

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, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southwest Health Center IncGroup PAC ID 3072427772, 110 clinicians

Grant Regional Health Center IncGroup PAC ID 9638079445, 36 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Grant Regional Health Center Hospital, Lancaster, WI, CCN 521322
• Southwest Health Center Hospital, Platteville, WI, CCN 521354

Merit-based Incentive Payment System (MIPS)

Final score

80.26 of 100Reported as group

Quality

92.24

Promoting interoperability

100

Improvement activities

40

Cost

41.97

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kmcquillan261787@direct-ehr-ssmhc.com

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.

• Southwest Health Center, Inc

  • Critical Access Hospital
  • Platteville, WI
  • NPI 1831279793
  Medicare reassignment Care Compare group NPD
• Grant Regional Health Center, Inc.

  • Critical Access Hospital
  • Lancaster, WI
  • NPI 1255339867
  Medicare reassignment Care Compare group
• Grant Regional Health Center, Inc

  • Rural Health Clinic/Center
  • Potosi, WI
  • NPI 1699724443

  Family

  NPD
• Dean Health Systems, Inc,

  • Durable Medical Equipment & Medical Supplies
  • Beaver Dam, WI
  • NPI 1336425016
  NPD (past)
• Grant Regional Health Center, Inc

  • Rural Health Clinic/Center
  • Lancaster, WI
  • NPI 1356776710
  NPD (past)

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

• Grant Regional Health Center, Inc.

  • Critical Access Hospital
  • Lancaster, WI
  • NPI 1255339867
  Care Compare affiliation
• Southwest Health Center, Inc

  • Critical Access Hospital
  • Platteville, WI
  • NPI 1831279793
  Care Compare affiliation

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

{
    "created_epoch": "1312848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758585600000",
    "number": "1285913277",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "507 S MONROE ST",
            "city": "LANCASTER",
            "state": "WI",
            "postal_code": "538132054",
            "telephone_number": "608-723-2131",
            "fax_number": "608-723-2707"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "507 S MONROE ST",
            "city": "LANCASTER",
            "state": "WI",
            "postal_code": "538132054",
            "telephone_number": "608-723-2131"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1450 Eastside Rd",
            "address_purpose": "LOCATION",
            "city": "Platteville",
            "state": "WI",
            "postal_code": "538189800",
            "country_code": "US",
            "telephone_number": "608-348-4330",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCQUILLAN",
        "first_name": "KATHERINE",
        "middle_name": "SHANON",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-08-09",
        "last_updated": "2025-09-23",
        "certification_date": "2025-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "4494-33",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WI",
            "license": "4494-33",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100016627",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100370402",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Vanessa R Martin, RDH
• Darlene Masters
• Heather McLimans, LCSW
• Bobbie McMahan, REGISTERED NURSE
• Breanna Marie McMullen
• Heather M Meier
• Laurie J Meighan, APNP
• Abby Mergen
• Michael Francis Metz, PA-C
• Megan E Mezera, LAT, ATC

• Psychiatric/Mental Health Nurse Practitioner in Lancaster, WI
• Providers in Lancaster, WI by specialty
• Psychiatric/Mental Health Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2025; 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.