NPIMap

Individual provider Active NPI

Kathryn J. SMRZ, APNP

  • Adult Health Nurse Practitioner
  • Marshfield, WI
National Provider Identifier
1972938314
Registry record updated Jul 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
5438 Issued in WI
Practice address
1000 North Oak Avenue
Marshfield, WI 54449-5703
Phone
(715) 387-5511
NPI assigned
Sep 4, 2013
Last updated
Jul 29, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 5438 WI
Adult Health Nurse Practitioner 363LA2200X 5438 WI Primary

Addresses

Primary practice location

1000 North Oak Avenue
Marshfield, WI 54449-5703

Mailing address

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

Other practice location 1

2727 Plaza Dr
Wausau, WI 54401-4129
Phone (715) 847-3000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address him@marshfieldclinichealthsystem.cernerdirect.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20130911000342 WI Practitioner - Nurse Practitioner 5991949000 Reassigns benefits to 13 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
MCHS Hospitals IncGroup PAC ID 5698071173, shared by 28 NPIs, 1,195 clinicians

Practice addresses (Care Compare)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
5438WIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
HDC Care Solutions, LLC Nurse Practitioner CurrentSince Aug 15, 2022 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince May 24, 2022 Accepting new patients
MCHS Hospitals Inc CurrentSince May 24, 2022 Accepting new patients
Memorial Hospital Inc Current Accepting new patients
Flambeau Hospital Inc CurrentSince May 24, 2022 Accepting new patients
Interim Hospice & Palliative Care Nurse Practitioner CurrentSince Feb 1, 2024 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince May 24, 2022 Accepting new patients
Memorial Hospital Inc CurrentSince May 24, 2022 Accepting new patients
Maple Medical SC Adult Health CurrentSince Oct 1, 2024 Accepting new patients
MCHS Hospitals Inc CurrentSince May 24, 2022 Accepting new patients
Oak Medical SC CurrentSince Oct 1, 2024 Accepting new patients
Flambeau Hospital Inc CurrentSince May 24, 2022 Accepting new patients
Marshfield Clinic Inc CurrentSince Sep 9, 2013 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince May 24, 2022 Accepting new patients
Memorial Hospital Inc Past Accepting new patients

Locations

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

200 S Executive Dr
Ste 101
Brookfield, WI 53005
Phone (262) 262-6707

1000 Starr Ave
Eau Claire, WI 54703
Phone (715) 858-4850

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

1102 S Center Ave
Merrill, WI 54452
Phone (715) 536-3399

8301 Old Sauk Rd
Middleton, WI 53562
Phone (608) 662-8842

N3708 River Ave
Neillsville, WI 54456
Phone (715) 743-3101

1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-6133

N20W22961 Watertown Rd
Waukesha, WI 53186
Phone (262) 875-5070

2727 Plaza Dr
Wausau, WI 54401
Phone (715) 847-3000

327 N 17th Ave
Ste 7
Wausau, WI 54401
Phone (715) 845-2942

Interoperability endpoints

  • Direct secure messaging: him@marshfieldclinichealthsystem.cernerdirect.com
  • FHIR API: https://fhir.meditouchehr.com/api/fhir/r4/
  • Direct secure messaging: kathryn.smrz@marshfieldclinichealthsystem.cernerdirect.com

Organizations & group practices 16

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.

View all 16

Hospital & facility affiliations 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1378252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753747200000",
    "number": "1972938314",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 N OAK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495703",
            "telephone_number": "715-387-5511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 NORTH OAK AVENUE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495703",
            "telephone_number": "715-387-5511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2727 Plaza Dr",
            "address_purpose": "LOCATION",
            "city": "Wausau",
            "state": "WI",
            "postal_code": "544014129",
            "country_code": "US",
            "telephone_number": "715-847-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SMRZ",
        "first_name": "KATHRYN",
        "middle_name": "J.",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-09-04",
        "last_updated": "2025-07-29",
        "certification_date": "2025-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "5438",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "WI",
            "license": "5438",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "address_1": "1000 North Oak Avenue",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544495703",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marshfield, WI

Sources for this page

Verify at the official NPI Registry.