Individual provider Active NPI

John A Zernia, MD

  • Emergency Medicine Physician
  • La Crosse, WI
National Provider Identifier
1124022728
Registry record updated Jun 21, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
27859 Issued in WI
Practice address
1836 South Ave
La Crosse, WI 54601-5429
Phone
(608) 782-7300
NPI assigned
Jun 10, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 21, 2017

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X 27859 WI
Emergency Medicine Physician 207P00000X 27859 WI Primary

Addresses

Primary practice location

1836 South Ave
La Crosse, WI 54601-5429

Mailing address

1836 South Ave
La Crosse, WI 54601-5429
Phone (608) 782-7300

Other identifiers 1

IdentifierTypeStateIssuer
31407300MedicaidWI

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20111019000845 WI Practitioner - Emergency MedicinePractitioner - Internal Medicine 5496889420 Reassigns benefits to 10 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency MedicineAlso: Internal Medicine
Education
Medical College of Wisconsin, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Gundersen Lutheran Medical Center IncGroup PAC ID 2163331414, 888 clinicians

Practice addresses (Care Compare)

1836 S Ave
La Crosse, WI 54601-5429
Phone (608) 783-7300

Hospital & facility affiliations

  • Gundersen Tri-County Hospital & Clinics Hospital, Whitehall, WI, CCN 521316

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
27859WIMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Tomah Memorial Hospital Inc Emergency Medicine CurrentSince Mar 12, 2019 Accepting new patients
Tri-County Memorial Hospital, Inc. CurrentSince Dec 18, 2018 Accepting new patients
St. Joseph'S Health Services, Inc. CurrentSince Jan 25, 2026 Accepting new patients
St. Joseph'S Health Services, Inc. Current Accepting new patients
Moundview Memorial Hospital & Clinics, Inc. CurrentSince Oct 9, 2018 Accepting new patients
Gundersen Lutheran Medical Center Inc CurrentSince Dec 24, 2017 Accepting new patients
Gundersen Clinic LTD Current Accepting new patients
Gundersen Lutheran Express Care, Inc CurrentSince Jul 1, 1986 Accepting new patients
Tri-County Memorial Hospital, Inc. CurrentSince Dec 18, 2018 Accepting new patients
St. Joseph'S Health Services, Inc. CurrentSince Feb 24, 2023 Accepting new patients
Tri-County Memorial Hospital, Inc. Current Accepting new patients
Tomah Memorial Hospital Inc CurrentSince Mar 12, 2019 Accepting new patients
Memorial Hospital of Boscobel CurrentSince Feb 1, 2023 Accepting new patients
Memorial Hospital of Boscobel CurrentSince Feb 1, 2023 Accepting new patients
Moundview Memorial Hospital & Clinics, Inc CurrentSince Oct 9, 2018 Accepting new patients
St. Joseph'S Health Services, Inc CurrentSince Feb 24, 2023 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Dec 24, 2017 Accepting new patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients
Gundersen Clinic LTD CurrentSince Jul 1, 1986 Accepting new patients

Locations

205 Parker St
Boscobel, WI 53805
Phone (608) 375-4112

402 W Lake St
Friendship, WI 53934
Phone (608) 339-3331

1836 South Ave
La Crosse, WI 54601
Phone (608) 788-8102

1910 South Ave
La Crosse, WI 54601
Phone (608) 775-2287

1600 Main St
Onalaska, WI 54650
Phone (608) 783-4681

501 Gopher Dr
Tomah, WI 54660
Phone (608) 371-2181

505 Gopher Dr
Tomah, WI 54660
Phone (608) 372-2181

18601 Lincoln St
Whitehall, WI 54773
Phone (715) 538-1712

Interoperability endpoints

  • Direct secure messaging: jzernia4455@direct.emplifyhealth.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 3

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": "1118361600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1498003200000",
    "number": "1124022728",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1836 SOUTH AVE",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546015429",
            "telephone_number": "608-782-7300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1836 SOUTH AVE",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546015429",
            "telephone_number": "608-782-7300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZERNIA",
        "first_name": "JOHN",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-10",
        "last_updated": "2017-06-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "WI",
            "license": "27859",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "27859",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "31407300",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in La Crosse, WI

Sources for this page

Verify at the official NPI Registry.