Physician Profile
Harold A. Yoon, MD is a healthcare provider in Decatur, IL specializing in radiation oncology. Harold trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2003. According to Medicare claims data, Harold cared for 1,472 Medicare patients across 6,567 services. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, ct guidance for insertion of radiation therapy fields, and stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
210 W MCKINLEY AVE STE 1
Decatur, IL 62526
Within Radiation Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Benign condition
Blood and lymph cancer
Bone cancer
Brain tumors
Cancer emergencies
Chest cancer
Endocrine cancer
Eye cancer
Eye conditions
Foot conditions
Gastrointestinal cancer
Gynecologic cancer
Head & neck cancer
Head and neck cancer
Metastatic cancer
Neurologic condition
Orthopedic conditions
Sarcoma
Skin cancer
Thoracic cancer
Urologic cancer
Vascular conditions
Most searched procedures
Advanced radiation
Benign treatment
Brain radiation
Cancer treatment
Central nervous system
Consultation
External radiation
Eye cancer treatment
Follow-up care
Heart treatments
Internal radiation
Pain and symptom relief
Particle therapy
Precision radiation
Prostate cancer treatment
Prostate protection
Radiation therapy
Skin cancer treatment
Skin lymphoma treatment
Specialized radiation
Targeted isotopes
Targeted radiation drugs
Treatment planning
6,567 services · 1,472 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
154 | More often than most peers in Radiation Oncology |
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
809 | More often than most peers in Radiation Oncology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
379 | More than most peers in Radiation Oncology |
| Calculation of radiation therapy dose | Imaging | 77300 |
220 | As often as other peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
152 | More often than most peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
71 | More often than most peers in Radiation Oncology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
52 | More often than most peers in Radiation Oncology |
| High precision radiation therapy planning | Imaging | 77301 |
51 | More often than most peers in Radiation Oncology |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | Imaging | 77290 |
29 | As often as other peers in Radiation Oncology |
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
24 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Yoon is a radiation oncologist in Decatur, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Dr. Yoon is listed at 210 W Mckinley Ave Ste 1, Decatur, IL 62526. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (217) 877-9442. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Yoon's National Provider Identifier is 1558566984. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Yoon attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Dr. Yoon has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Yoon performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as ct guidance for insertion of radiation therapy fields and radiation treatment management, 5 treatment sessions, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yoon. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.