Dr. Hyo-Chun Yoon, MD
- Medicare services, 2023
- 71
- Hospital affiliations
- 2
- Industry payments
- $196
- Medical groups
- 2
- State licenses
- 2
- Practice address
- St Anthony's Way, Alton, IL 62002
- Practice phone
- Call (618) 465-2571
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yoon's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Hyo-Chun Yoon is a diagnostic radiologist in Alton, Illinois
Dr. Yoon practices at OSF Saint Anthony's Health Center in Alton, Illinois, part of OSF HealthCare System.
Dr. Yoon's NPI, 1245320837, was assigned on October 13, 2006. Dr. Yoon graduated from University of California, Geffen School of Medicine in 1987. Dr. Yoon holds Hawaii license MD 10524.
- NPI
- 1245320837NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638116007
- NPI enumeration date
- October 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 465-2571
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hyo-Chun Yoon practices at 2 locations in Alton, Illinois
Dr. Yoon's primary practice is OSF Saint Anthony's Health Center, at St Anthony's Way, Alton, IL 62002 in Madison County. The practice phone is (618) 465-2571. Dr. Yoon also practices at OSF St Anthony's Health Center, 1 St Anthonys Way, Alton, IL 62002.
- OSF Saint Anthony's Health CenterPrimarySt Anthony's Way, Alton, IL 62002 · Madison CountyPhone(618) 465-2571
- OSF St Anthony's Health Center1 St Anthonys Way, Alton, IL 62002 · Madison CountyPhone(618) 465-2571
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Hyo-Chun Yoon is affiliated with 3 sites of care and 2 medical groups
Dr. Yoon's primary practice is OSF Saint Anthony's Health Center in Alton, Illinois, part of OSF HealthCare System. Dr. Yoon is also affiliated with Kaiser Permanente Moanalua Medical Center. The medical group on file is Hawaii Permanente Medical Group (HPMG). Dmand AI also links Dr. Yoon to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hyo-Chun Yoon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yoon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF Saint Anthony's Health Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Hyo-Chun Yoon is one of 1,336 diagnostic radiologists in Illinois
Diagnostic radiology is Dr. Yoon's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Yoon's licenses on file in 2 states: Hawaii and Utah.
Specialties and state licenses
- Diagnostic radiology, HawaiiPrimary
- Vascular and interventional radiology, Utah
Diagnostic radiologists near Dr. Yoon
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Hyo-Chun Yoon billed Medicare for 71 services in 2023
CMS data shows 71 Medicare services from Dr. Yoon across 3 procedure codes in 2023. Medicare paid $1,747 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Yoon's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Imaging
- 2022: 1322023: 7146%
- Other services
- 2022: 1,1202023: 0100%
Dr. Yoon compared with the Illinois median for diagnostic radiologists, 2023
- Dr. Yoon
- Illinois median
- Medicare services
- 71vs 2,57597% below
Medians across 1,261 diagnostic radiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Yoon's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yoon and other diagnostic radiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hyo-Chun Yoon's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Yoon's median patient age at 55, with 0% women.
Dr. Yoon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
How Dr. Hyo-Chun Yoon takes part in Medicare
Dr. Yoon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Hyo-Chun Yoon received $196 in industry payments from 2016 to 2021
CMS Open Payments shows 9 general payments to Dr. Yoon from 6 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $72.
General payments to Dr. Yoon by program year, 2016 to 2021
Companies that paid Dr. Yoon the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hyo-Chun Yoon graduated from University of California, Geffen School of Medicine
Dr. Yoon graduated from University of California, Geffen School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Hyo-Chun Yoon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Hyo-Chun Yoon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Hyo-Chun Yoon's NPI number?
Dr. Hyo-Chun Yoon's NPI number is 1245320837. It was assigned on October 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Hyo-Chun Yoon?
Dr. Hyo-Chun Yoon is a diagnostic radiologist in Alton, Illinois. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Hyo-Chun Yoon practice?
Dr. Yoon practices at St Anthony's Way, Alton, IL 62002. Dr. Yoon also practices at 1 St Anthonys Way, Alton, IL 62002. Dr. Yoon's primary practice is OSF Saint Anthony's Health Center in Alton, Illinois, part of OSF HealthCare System. Dmand AI also links Dr. Yoon to 1 group practice or clinic and 1 medical group.
What is Dr. Hyo-Chun Yoon's office phone number?
The practice phone on file for Dr. Yoon is (618) 465-2571.
What is Dr. Hyo-Chun Yoon's medical license number?
Dr. Yoon holds Hawaii license MD 10524, one of the licenses on file in 2 states.
Which states has Dr. Hyo-Chun Yoon been licensed in?
Dmand AI has state licenses on file for Dr. Yoon in Hawaii and Utah.
Which hospitals is Dr. Hyo-Chun Yoon affiliated with?
Dr. Yoon practices at OSF Saint Anthony's Health Center in Alton, Illinois. Dr. Yoon is also affiliated with Kaiser Permanente Moanalua Medical Center.
What medical group is Dr. Hyo-Chun Yoon part of?
Dr. Yoon is linked to Hawaii Permanente Medical Group (HPMG). Dmand AI links Dr. Yoon to 1 more medical group.
Does Dr. Hyo-Chun Yoon accept Medicare?
Yes. CMS data shows Dr. Yoon billed Medicare for 71 services in 2023, and Dr. Yoon accepts Medicare assignment.
What services does Dr. Hyo-Chun Yoon bill to Medicare?
In 2023, Dr. Yoon's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (70450) and diagnostic imaging (74177).
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Where did Dr. Hyo-Chun Yoon go to medical school?
Dr. Yoon graduated from University of California, Geffen School of Medicine in 1987.
Has Dr. Hyo-Chun Yoon received payments from drug or device companies?
CMS Open Payments shows $196 in general payments to Dr. Yoon from 6 companies from 2016 to 2021. The largest total came from Medtronic, Inc.
How long has Dr. Hyo-Chun Yoon been practicing?
Dr. Yoon graduated from medical school in 1987, 39 years ago.
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