Ruth Marie Grams, APNP,

Primary specialty

Primary Care Nurse PractitionerTaxonomy code 363LP2300X

License

AP132952 Issued in TX

Practice address

610 Washington St
Horicon, WI 53032

Phone

(920) 643-7170

Fax

(920) 643-7165

NPI assigned

Nov 15, 2018

Last updated

Jan 20, 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

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, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Beaver Dam Community Hospitals Inc.Group PAC ID 2567370539, 64 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Marshfield Medical Center - Beaver Dam (MMC-BD) Hospital, Beaver Dam, WI, CCN 520076

Merit-based Incentive Payment System (MIPS)

Final score

78.6 of 100Reported as group

Quality

56.02

Promoting interoperability

100

Improvement activities

40

Cost

72.66

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ruth.grams@marshfieldclinichealthsystem.cernerdirect.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.

• Beaver Dam Community Hospitals Inc

  dba Marshfield Medical Center - Beaver Dam Professional Services

  • Clinic/Center
  • Beaver Dam, WI
  • NPI 1972188555
  Medicare reassignment Care Compare group NPD
• Beaver Dam Community Hospitals Inc

  dba Hillside Unit Pharmacy (DME)

  • Pharmacy
  • Beaver Dam, WI
  • NPI 1295771780
  NPD
• Beaver Dam Community Hospitals Inc

  dba (Inactive) Marshfield Medical Center - Beaver Dam Juneau Center

  • Family Medicine Physician
  • Juneau, WI
  • NPI 1831410521
  NPD
• MCHS Hospitals Inc

  dba Marshfield Medical Center

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434
  NPD
• Beaver Dam Community Hospitals Inc

  dba Marshfield Medical Center - Beaver Dam Hospital InstyMeds

  • Non-Pharmacy Dispensing Site
  • Beaver Dam, WI
  • NPI 1992954119
  NPD (past)

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

• Beaver Dam Community Hospitals Inc

  dba Marshfield Medical Center - Beaver Dam

  • General Acute Care Hospital
  • Beaver Dam, WI
  • NPI 1023187416
  Care Compare affiliation
• Beaver Dam Community Hospitals Inc

  dba (Inactive) Marshfield Medical Center - Beaver Dam Specialty Clinic

  • Clinic/Center
  • Beaver Dam, WI
  • NPI 1508184896

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1542240000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768867200000",
    "number": "1699244053",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "610 WASHINGTON ST",
            "city": "HORICON",
            "state": "WI",
            "postal_code": "53032",
            "telephone_number": "920-643-7170",
            "fax_number": "920-643-7165"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "610 WASHINGTON ST",
            "city": "HORICON",
            "state": "WI",
            "postal_code": "53032",
            "telephone_number": "920-643-7170",
            "fax_number": "920-643-7165"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRAMS",
        "first_name": "RUTH",
        "middle_name": "MARIE",
        "name_prefix": "Dr.",
        "credential": "APNP,",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-11-15",
        "last_updated": "2026-01-20",
        "certification_date": "2026-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "TX",
            "license": "AP132952",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Steven Eidem, D.C.
• Dana Lynn Erickson, OTR
• Jean Esser, D.D.S.F.A.G.D.
• Esser, Krueger & Borja DDS SC
• Claire Frickenstein, PHARMD
• Kathleen A Hagen, RN
• Healing Hearts Sanctuary, LLC
• Horicon Family Chiropractic
• Brock Kane
• Elizabeth Ellen Killian

• Primary Care Nurse Practitioner in Horicon, WI
• Providers in Horicon, WI by specialty
• Primary Care Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 20, 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.