Organization Active NPI

Leonard D Elkun MD SC

  • Geriatric Psychiatry Physician
  • Chicago, IL
National Provider Identifier
1356446306
Registry record updated Apr 24, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Psychiatry PhysicianTaxonomy code 2084P0805X
Legal business name
LEONARD D ELKUN MD SC
Practice address
411 W Ontario St
Suite 402
Chicago, IL 60610-6945
Phone
(312) 943-8322
Fax
(312) 943-8323
NPI assigned
Sep 14, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 24, 2021

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

Authorized official

Name
Dr. Leonard David Elkun, MDNPI 1023129145
Title
President
Phone
(312) 943-8322

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology with Special Qualifications in Child Neurology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2084N0402X
Geriatric Psychiatry PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2084P0805X Primary

Addresses

Primary practice location

411 W Ontario St
Suite 402
Chicago, IL 60610-6945

Mailing address

411 W Ontario St
Suite 402
Chicago, IL 60610-6945
Phone (312) 943-8322

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20081203000294 IL Part B Supplier - Clinic/Group Practice 0244391795 Receives reassigned benefits from 1 practitioner
Practice locations: Chicago, IL

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1158192000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1619222400000",
    "number": "1356446306",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "411 W ONTARIO ST",
            "address_2": "SUITE 402",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606106945",
            "telephone_number": "312-943-8322",
            "fax_number": "312-943-8323"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "411 W ONTARIO ST",
            "address_2": "SUITE 402",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606106945",
            "telephone_number": "312-943-8322",
            "fax_number": "312-943-8323"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LEONARD D ELKUN MD SC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-09-14",
        "last_updated": "2021-04-24",
        "certification_date": "2021-04-24",
        "status": "A",
        "authorized_official_last_name": "ELKUN",
        "authorized_official_first_name": "LEONARD",
        "authorized_official_middle_name": "DAVID",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "312-943-8322",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2084N0402X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0805X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Geriatric Psychiatry",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 2021; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.