Harold A Yoon, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

036119960 Issued in IL

Practice address

210 W McKinley Ave Ste 1
Decatur, IL 62526-5858

Phone

(217) 877-9442

Fax

(217) 233-1670

NPI assigned

Jun 16, 2007

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

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

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cancer Care Specialists of Central Illinois SCGroup PAC ID 5991619116, 31 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Decatur Memorial Hospital Hospital, Decatur, IL, CCN 140135
• Pana Community Hospital Hospital, Pana, IL, CCN 141341
• St Marys Hospital Hospital, Decatur, IL, CCN 140166
• HSHS St Elizabeth's Hospital Hospital, O Fallon, IL, CCN 140187
• Taylorville Memorial Hospital Hospital, Taylorville, IL, CCN 141339

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

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.

• Cancer Care Specialists of Central Illinois, S.C.

  • Medical Oncology Physician
  • Decatur, IL
  • NPI 1871580142

  Radiation Oncology

  Medicare reassignment Care Compare group NPD
• Cancer Care Specialists of Central Illinois, S.C

  dba Cancer Care Specialists of Illinois

  • Community/Retail Pharmacy
  • Decatur, IL
  • NPI 1356874093
  NPD
• Decatur Memorial Hospital

  dba Professional Fees

  • Multi-Specialty Clinic/Center
  • Decatur, IL
  • NPI 1477276301
  NPD (past)

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

• Decatur Memorial Hospital

  • General Acute Care Hospital
  • Decatur, IL
  • NPI 1548357973
  Care Compare affiliation
• Pana Community Hospital Association

  • Critical Access Hospital
  • Pana, IL
  • NPI 1942326970
  Care Compare affiliation
• St Elizabeths Hospital of the Hospital Sisters of the Third Order

  dba HSHS St. Elizabeth's Hospital

  • General Acute Care Hospital
  • O'Fallon, IL
  • NPI 1629057302
  Care Compare affiliation
• St Marys Hospital Decatur of the Hospital Sisters of the Third Order

  dba St Marys Hospital

  • General Acute Care Hospital
  • Decatur, IL
  • NPI 1326041229
  Care Compare affiliation
• Taylorville Memorial Hospital

  • Critical Access Hospital
  • Taylorville, IL
  • NPI 1144292020
  Care Compare affiliation

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

{
    "created_epoch": "1181952000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1558566984",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "210 W MCKINLEY AVE STE 1",
            "city": "DECATUR",
            "state": "IL",
            "postal_code": "625265858",
            "telephone_number": "217-877-9442",
            "fax_number": "217-233-1670"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "210 W MCKINLEY AVE STE 1",
            "city": "DECATUR",
            "state": "IL",
            "postal_code": "625265858",
            "telephone_number": "217-877-9442",
            "fax_number": "217-233-1670"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOON",
        "first_name": "HAROLD",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-16",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "IL",
            "license": "036119960",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Heather Kay Yacko, M.S. R.D. L.D.N
• Hannah Hewon Yasunaga, DDS
• Joey D Yates, COTA/L
• Desiray Joyce Yeaw, MS, RD, LDN
• Sandy L Yockey, MD
• Belinda Charlette Young
• Joy Olivia Young
• Kristy Young
• Micheal Young, M.D.
• Sydney Young, RBT

• Radiation Oncology Physician in Decatur, IL
• Providers in Decatur, 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 Sep 4, 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.