Individual provider Active NPI

Alexander M Scharko, MD

  • Psychiatry Physician
  • Winnebago, WI
National Provider Identifier
1437102811
Registry record updated Jun 30, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
38193 Issued in WI
Practice address
1300 South Drive
Winnebago, WI 54985
Phone
(920) 235-4910
Fax
(920) 237-2053
NPI assigned
May 18, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 30, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Child & Adolescent Psychiatry Physician 2084P0804X MD444647 PA
Psychiatry Physician 2084P0800X 38193 WI Primary
Psychiatry Physician 2084P0800X D0058020 MD

Addresses

Primary practice location

1300 South Drive
Winnebago, WI 54985

Mailing address

1300 South Drive
PO Box 9
Oshkosh, WI 54985
Phone (920) 235-4910

Other identifiers 2

IdentifierTypeStateIssuer
000018557ROtherHUMANA
32489200MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0058020MDMDPsychiatry Physician
MD444647PAMDChild & Adolescent Psychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Milwaukee Psychiatry Past Accepting new patients
Winnebag Mental Health Institute PastSince Jul 22, 2025 Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1147910400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1688083200000",
    "number": "1437102811",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1300 SOUTH DRIVE",
            "address_2": "PO BOX 9",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "54985",
            "telephone_number": "920-235-4910",
            "fax_number": "920-237-2053"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1300 SOUTH DRIVE",
            "city": "WINNEBAGO",
            "state": "WI",
            "postal_code": "54985",
            "telephone_number": "920-235-4910",
            "fax_number": "920-237-2053"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHARKO",
        "first_name": "ALEXANDER",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-18",
        "last_updated": "2023-06-30",
        "certification_date": "2023-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "PA",
            "license": "MD444647",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "WI",
            "license": "38193",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MD",
            "license": "D0058020",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HUMANA",
            "identifier": "000018557R",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32489200",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Winnebago, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.