Individual provider Active NPI

Bernard Lease

  • Certified Registered Nurse Anesthetist
  • Chicago, IL
National Provider Identifier
1982251054
Registry record updated Jun 1, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
209023941 Issued in IL
Practice address
5841 S Maryland Ave
Chicago, IL 60637-1443
Phone
(773) 702-1000
NPI assigned
Aug 22, 2019
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 1, 2022

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207L00000X 173309 WI
Anesthesiology Physician 207L00000X 209023941 IL
Certified Registered Nurse Anesthetist 367500000X 209023941 IL Primary

Addresses

Primary practice location

5841 S Maryland Ave
Chicago, IL 60637-1443

Mailing address

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (773) 702-1000

Medicare participation

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

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20220217001517 IL Practitioner - Certified Registered Nurse Anesthetist (Crna) 4880087758 Reassigns benefits to 1 organization
I20250505002370 WI Practitioner - Certified Registered Nurse Anesthetist (Crna) 4880087758 Reassigns benefits to 3 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
173309WIMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Grant Regional Health Center, Inc. Single Specialty CurrentSince Jul 1, 2025 Accepting new patients
The University of Chicago Medical Center Single Specialty CurrentSince Jan 1, 2022 Accepting new patients
Southwest Health Center, Inc. CurrentSince May 1, 2025 Accepting new patients
Southwest Health Center, Inc Single Specialty Current Accepting new patients
Grant Regional Health Center, Inc Single Specialty CurrentSince Jul 1, 2025 Accepting new patients
Southwest Health Center, Inc. CurrentSince May 1, 2025 Accepting new patients
The University of Chicago Medical Center CurrentSince Jan 1, 2022 Accepting new patients

Locations

150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061

507 S Monroe St
Lancaster, WI 53813
Phone (608) 723-2131

1400 Eastside Rd
Platteville, WI 53818
Phone (608) 342-4712

Organizations & group practices 7

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": "1566432000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1654041600000",
    "number": "1982251054",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "773-702-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "773-702-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEASE",
        "first_name": "BERNARD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-08-22",
        "last_updated": "2022-06-01",
        "certification_date": "2022-06-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "173309",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "209023941",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209023941",
            "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 Jun 1, 2022; 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.