Individual provider Active NPI

Abhishek Katiyar, M.D.

  • Emergency Medicine Physician
  • Oak Lawn, IL
National Provider Identifier
1346219565
Registry record updated Jun 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
036-122121 Issued in IL
Practice address
4440 W 95TH St
Oak Lawn, IL 60453-2600
Phone
(708) 684-5354
Fax
(708) 684-1028
NPI assigned
Mar 17, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 26, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 4301086249 MI
Emergency Medicine Physician 207P00000X 01068334A IN
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X 4301086249 MI
Emergency Medicine Physician 207P00000X 036-122121 IL Primary

Addresses

Primary practice location

4440 W 95TH St
Oak Lawn, IL 60453-2600

Mailing address

29373 Network PL
Chicago, IL 60673-1293
Phone (847) 390-5900

Other practice location 1

4201 Saint Antoine St
Detroit, MI 48201-2153
Phone (313) 745-3000

Other practice location 2

901 MacArthur Blvd
Munster, IN 46321-2901
Phone (219) 836-1600

Other identifiers 5

IdentifierTypeStateIssuer
104783841MedicaidMI
104783921MedicaidMI
200985310MedicaidIN
104783903MedicaidMI
AK086249OtherMIBC/BS OF MI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address akatiyar206010@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
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
I20090501000309 IL Practitioner - Emergency MedicinePractitioner - Other (Physician) 4981623485 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Puerto Rico School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

4440 W 95TH St
Oak Lawn, IL 60453-2600
Phone (708) 684-4393

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-122121ILMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Advocate Health and Hospitals Corporation CurrentSince Mar 12, 2009 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Mar 12, 2009 Accepting new patients
Advocate Health & Hospitals Corporation Current Accepting new patients

Locations

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

29373 Network Pl
Chicago, IL 60673

4440 W 95th St
Oak Lawn, IL 60453
Phone (708) 346-5520

10811 W 143rd St
Ste 100
Orland Park, IL 60467
Phone (708) 460-2500

1500 S Lake Park Ave
Hobart, IN 46342
Phone (219) 942-0551

Interoperability endpoints

  • Direct secure messaging: akatiyar206010@direct.myadvocateaurora.org

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

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": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750896000000",
    "number": "1346219565",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293",
            "telephone_number": "847-390-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4440 W 95TH ST",
            "city": "OAK LAWN",
            "state": "IL",
            "postal_code": "604532600",
            "telephone_number": "708-684-5354",
            "fax_number": "708-684-1028"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4201 Saint Antoine St",
            "address_purpose": "LOCATION",
            "city": "Detroit",
            "state": "MI",
            "postal_code": "482012153",
            "country_code": "US",
            "telephone_number": "313-745-3000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "901 MacArthur Blvd",
            "address_purpose": "LOCATION",
            "city": "Munster",
            "state": "IN",
            "postal_code": "463212901",
            "country_code": "US",
            "telephone_number": "219-836-1600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KATIYAR",
        "first_name": "ABHISHEK",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2025-06-26",
        "certification_date": "2025-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MI",
            "license": "4301086249",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IN",
            "license": "01068334A",
            "primary": false
        },
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "MI",
            "license": "4301086249",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036-122121",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "104783841",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "104783921",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200985310",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "104783903",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC/BS OF MI",
            "identifier": "AK086249",
            "state": "MI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "akatiyar206010@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4440 W 95th St",
            "city": "Oak Lawn",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604532600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4440 W 95th St",
            "city": "Oak Lawn",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604532600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oak Lawn, IL

Sources for this page

Verify at the official NPI Registry.