Hasan N. Abad, D.O.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

036154676 Issued in IL

Practice address

836 W Wellington Ave
Chicago, IL 60657-5147

Phone

(773) 296-5435

NPI assigned

Mar 24, 2017

Last updated

May 19, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Other identifiers 1

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in IL, WI2 enrollments

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 2

Specialty

Internal Medicine

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Hospice Hospice, Oak Brook, IL, CCN 141516
• Advocate Illinois Masonic Medical Center Hospital, Chicago, IL, CCN 140182

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: habad231157@direct.myadvocateaurora.org

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.

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378

  Internal Medicine

  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD
• Chicago Gastro LLC

  • Gastroenterology Physician
  • Chicago, IL
  • NPI 1548414063
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Advocate North Side Health Network

  dba Advocate Illinois Masonic Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1912014564
  Care Compare affiliation
• Meridian Hospice

  dba Advocate Hospice

  • Community Based Hospice Care Agency
  • Oak Brook, IL
  • NPI 1184691651
  Care Compare affiliation

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

{
    "created_epoch": "1490313600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1356872006",
    "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": "606735147",
            "telephone_number": "847-390-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "836 W WELLINGTON AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606575147",
            "telephone_number": "773-296-5435"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10400 75th St",
            "address_purpose": "LOCATION",
            "city": "Kenosha",
            "state": "WI",
            "postal_code": "531427884",
            "country_code": "US",
            "telephone_number": "262-948-5600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ABAD",
        "first_name": "HASAN",
        "middle_name": "N.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2017-03-24",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036-154676",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "81147",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036154676",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100237700",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicfhir.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "836 W Wellington Ave",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606575147",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd Ste B",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "habad231157@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "836 W Wellington Ave",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606575147",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• ABA Midwest Education LTD
• ABA Midwest LTD.
• ABA Midwest LTD.
• ABA Revolution
• Genesis Luke Malong Abad
• Andrew Eric Abadier, DO
• Shabirhusain Shakir Abadin, M.D.
• Francisco Abanco
• Oluwaseun Adekola Abanikanda
• Brian Abarbanel, MD

• Hospitalist Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Hospitalist Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.