Alexander A Harris, M.D.

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

036155310 Issued in IL

Practice address

800 Biesterfield Rd Ste 110
Elk Grove Village, IL 60007-3363

Phone

(847) 981-5760

Fax

(847) 956-5138

NPI assigned

Jun 22, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Radiation Oncology

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Radiation Oncology Consultants, LTDGroup PAC ID 0345138509, 19 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Alexius Medical Center Hospital, Hoffman Estates, IL, CCN 140290
• Alexian Brothers Medical Center 1 Hospital, Elk Grove Village, IL, CCN 140258
• Advocate Good Samaritan Hospital Hospital, Downers Grove, IL, CCN 140288

Merit-based Incentive Payment System (MIPS)

Final score

71.69 of 100Reported as group

Quality

64.46

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

95.19 of 100Reported as apm

Quality

83.05

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Radiation Oncology Consultants, LTD

  • Radiation Oncology Physician
  • Oak Brook, IL
  • NPI 1164412417
  Medicare reassignment Care Compare group NPD
• Bonaventure Medical Foundation, LLC

  • Family Medicine Physician
  • Elk Grove Village, IL
  • NPI 1588775647
  NPD (past)

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

• Advocate Health and Hospitals Corporation

  • General Acute Care Hospital
  • Downers Grove, IL
  • NPI 1578670543
  Care Compare affiliation
• Alexian Brothers Medical Center

  • General Acute Care Hospital
  • Elk Grove Village, IL
  • NPI 1265577191
  Care Compare affiliation
• St. Alexius Medical Center

  • General Acute Care Hospital
  • Hoffman Estates, IL
  • NPI 1376644385
  Care Compare affiliation

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

{
    "created_epoch": "1466553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1700236635",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 COMMERCE DR STE 500",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605238736",
            "telephone_number": "847-698-0600",
            "fax_number": "847-698-0601"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 BIESTERFIELD RD STE 110",
            "city": "ELK GROVE VILLAGE",
            "state": "IL",
            "postal_code": "600073363",
            "telephone_number": "847-981-5760",
            "fax_number": "847-956-5138"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1555 N Barrington Rd Ste 1400",
            "address_purpose": "LOCATION",
            "city": "Hoffman Estates",
            "state": "IL",
            "postal_code": "601695038",
            "country_code": "US",
            "telephone_number": "847-755-8400",
            "fax_number": "847-755-8401",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARRIS",
        "first_name": "ALEXANDER",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-06-22",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MI",
            "license": "4301110504",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "IL",
            "license": "036155310",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aharris310125@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1700 Luther Ln",
            "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",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681270",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Lyndsey A Harder
• Taryn Hargrove
• Josna Haritha, MD
• Christina Nyree Harmon, M.S.W., L.S.W.
• Hilma Harper, DNP
• Robert W Hart, MD
• Patricia Hartgraves, LCSW
• Harvest Medical Supply, LTD
• Violetta Harvey
• Ashish Haryani, MD

• Radiation Oncology Physician in Elk Grove Village, IL
• Providers in Elk Grove Village, IL by specialty
• Radiation Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.