Individual provider Active NPI

John Kellner, PA-C

  • Physician Assistant
  • Oconto Falls, WI
National Provider Identifier
1275049033
Registry record updated Feb 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
4268-23 Issued in WI
Practice address
855 S Main St
Oconto Falls, WI 54154-1241
Phone
(920) 496-4700
NPI assigned
Dec 15, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 4268-23 WI Primary

Addresses

Primary practice location

855 S Main St
Oconto Falls, WI 54154-1241

Mailing address

PO Box 19070
Green Bay, WI 54307-9070
Phone (920) 496-4700

Other identifiers 1

IdentifierTypeStateIssuer
100073938MedicaidWI

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jkellner171253@ewd.direct.hshs.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, WI2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20190212001230 MI Practitioner - Physician Assistant 3779846910 Reassigns benefits to 2 organizations
I20190320002053 WI Practitioner - Physician Assistant 3779846910 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Central Michigan College of Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baycare Clinic LLPGroup PAC ID 4385554328, 197 clinicians
St Clare Memorial Hospital, IncGroup PAC ID 0446211395, 62 clinicians

Practice addresses (Care Compare)

2845 Greenbrier Rd
Green Bay, WI 54311-6519

835 S Main St
Oconto Falls, WI 54154-1282

855 S Main St
Oconto Falls, WI 54154-1241
Phone (920) 846-8187

Hospital & facility affiliations

  • HSHS St Clare Memorial Hospital Hospital, Oconto Falls, WI, CCN 521310
  • Aurora Baycare Medical Ctr Hospital, Green Bay, WI, CCN 520193

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
4268-23WIMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
St Nicholas Hospital-Sisters of the Third Order of St Francis CurrentSince Jan 1, 2026 Accepting new patients
Hometown Urgent Care of Michigan, P.C. CurrentSince Jan 9, 2023 Accepting new patients
St Clare Memorial Hospital, Inc CurrentSince Jan 1, 2026 Accepting new patients
Richard S Veiga MD SC Current Accepting new patients
Hometown Urgent Care of Michigan, PC CurrentSince Jan 9, 2023 Accepting new patients
Thedacare Medical Center - Waupaca, Inc. CurrentSince Sep 18, 2023 Accepting new patients
Oconto Hospital & Medical Center Inc CurrentSince Mar 1, 2019 Accepting new patients
Hometown Urgent Care of Michigan, P.C. Current Accepting new patients
St Vincent Hospital-Hospital Sisters-Third Order of St Francis CurrentSince Jan 1, 2026 Accepting new patients
Baycare Clinic LLP CurrentSince Mar 1, 2025 Accepting new patients
Oconto Hospital & Medical Center, Inc. CurrentSince Mar 1, 2019 Accepting new patients
Thedacare Medical Center - Shawano, Inc. CurrentSince Mar 7, 2022 Accepting new patients
Northern Michigan Emergenc Physicians, LLP Physician Assistant CurrentSince Jan 8, 2019 Accepting new patients
St Vincent Hospital-Hospital Sisters-Third Order of St Francis CurrentSince Jan 1, 2026 Accepting new patients
St. Nicholas Hospital-Sisters of the Third Order of St Francis CurrentSince Jan 1, 2026 Accepting new patients
Thedacare Medical Center - Shawano, Inc. CurrentSince Mar 7, 2022 Accepting new patients
Thedacare Medical Center - Waupaca, Inc. Physician Assistant CurrentSince Sep 18, 2023 Accepting new patients

Locations

3401 Ludington St
Escanaba, MI 49829
Phone (906) 786-3311

1634 Gull Rd
Kalamazoo, MI 49048
Phone (269) 903-2835

1035 Kepler Dr
Green Bay, WI 54311

2581 Development Dr
Green Bay, WI 54311
Phone (920) 347-0400

835 S Van Buren St
Green Bay, WI 54301
Phone (888) 901-7246

1110 Kepler Dr
Green Bay, WI 54311
Phone (920) 288-4712

3003 University Dr
Marinette, WI 54143
Phone (715) 735-4200

820 Arbutus Ave
Oconto, WI 54153
Phone (920) 835-1100

855 S Main St
Ste 1
Oconto Falls, WI 54154
Phone (920) 846-8187

855 S Main St
Oconto Falls, WI 54154
Phone (920) 846-3444

719 Doctors Ct
Oshkosh, WI 54901
Phone (920) 235-0066

100 Cty Road B
Shawano, WI 54166
Phone (715) 524-2161

3100 Superior Ave
Sheboygan, WI 53081
Phone (800) 472-6710

800 Riverside Dr
Waupaca, WI 54981
Phone (715) 258-1000

Interoperability endpoints

  • Direct secure messaging: jkellner957358@direct.froedtert.com
  • Direct secure messaging: jkellner320014@direct.thedacare.org

Organizations & group practices 19

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.

View all 19

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1513296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770249600000",
    "number": "1275049033",
    "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": "855 S MAIN ST",
            "city": "OCONTO FALLS",
            "state": "WI",
            "postal_code": "541541241",
            "telephone_number": "920-496-4700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KELLNER",
        "first_name": "JOHN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-12-15",
        "last_updated": "2026-02-05",
        "certification_date": "2026-02-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "4268-23",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100073938",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jkellner171253@ewd.direct.hshs.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "855 S Main St",
            "city": "Oconto Falls",
            "state": "WI",
            "country_code": "US",
            "postal_code": "541541241",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oconto Falls, WI

Sources for this page

Verify at the official NPI Registry.