Jason Nathaniel Macklis, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

036133462 Issued in IL

Practice address

1700 Luther LN Ste 2200
Park Ridge, IL 60068-1270

Phone

(847) 268-8577

NPI assigned

Jun 8, 2010

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 2

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

Specialty

Hematology/Oncology

Education

Rush Medical College of Rush University, 2010

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 Home Health Care Serv Home health agency, Oakbrook, IL, CCN 147150
• Advocate Illinois Masonic Medical Center Hospital, Chicago, IL, CCN 140182
• Advocate Lutheran General Hospital Hospital, Park Ridge, IL, CCN 140223
• Advocate Good Shepherd Hospital Hospital, Barrington, IL, CCN 140291
• Advocate Sherman Hospital Hospital, Elgin, IL, CCN 140030
• Advocate Condell Medical Center Hospital, Libertyville, IL, CCN 140202

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• IL HMO C-SNP
• IL PPO Downstate
• devoted network organization-1baeae7e-6b6f-49f9-a562-1b2d2e55c806
• devoted network organization-734447cc-691b-4aa7-a112-9c9c8698dcc9
• devoted network organization-27eb9117-6975-449a-a7ad-909243995ddc

Interoperability endpoints

• Direct secure messaging: jmacklis@oncmed.direct.varian.com

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.

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD
• Advocate Health & Hospitals Corporation

  dba Advocate Christ Medical Group

  • Medical Specialty Clinic/Center
  • Oak Lawn, IL
  • NPI 1912936014
  NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD

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

• Advocate Condell Medical Center

  dba Advocate Condell Imaging Center

  • Mobile Mammography Clinic/Center
  • Gurnee, IL
  • NPI 1023262441

  Hospital

  Care Compare affiliation
• Advocate Condell Medical Center

  • General Acute Care Hospital
  • Libertyville, IL
  • NPI 1124272547
  Care Compare affiliation
• Advocate Condell Medical Center

  dba Advocate Condell Medical Center Grays Lake

  • Mobile Mammography Clinic/Center
  • Grayslake, IL
  • NPI 1770737199

  Hospital

  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Lutheran General Hospital

  • General Acute Care Hospital
  • Park Ridge, IL
  • NPI 1164539730
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Good Shepherd Hospital

  • General Acute Care Hospital
  • Barrington, IL
  • NPI 1447368071
  Care Compare affiliation
• Advocate North Side Health Network

  dba Advocate Illinois Masonic Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1912014564
  Care Compare affiliation
• Advocate Sherman Hospital

  • General Acute Care Hospital
  • Elgin, IL
  • NPI 1629026364
  Care Compare affiliation
• Ehs Home Health Care Service Inc

  dba Advocate Home Health Services

  • Home Health Agency
  • Oak Brook, IL
  • NPI 1598732075
  Care Compare affiliation
• Sherman Hospital

  • Skilled Nursing Facility
  • Elgin, IL
  • NPI 1275584302

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1275955200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1003136458",
    "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": "1700 LUTHER LN STE 2200",
            "city": "PARK RIDGE",
            "state": "IL",
            "postal_code": "600681270",
            "telephone_number": "847-268-8577"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MACKLIS",
        "first_name": "JASON",
        "middle_name": "NATHANIEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-06-08",
        "last_updated": "2025-09-25",
        "certification_date": "2025-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "IL",
            "license": "036133462",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jmacklis205719@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1700 Luther Ln Ste 2200",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681270",
            "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": "1700 Luther Ln Ste 2200",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681270",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Mab & Associates
• Andrew Charles Macdougall, D.O.
• Stephanie Maceachern
• Samantha Brooke Mackay-Forton
• Bridget Claire Mackey, DPT, PT
• Syeda Wajaha Madani, D.O
• Nikolina Ana Madjer, MD
• Kenneth C Madlangbayan, CRNA
• Barbara Ann Madro
• Samantha F Madro, OD

• Hematology & Oncology Physician in Park Ridge, IL
• Providers in Park Ridge, IL by specialty
• Hematology & Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 2025; 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.