Quick answers
- Does Heesuk R. Yoon accept Medicare assignment?
- Yes. Medicare's clinician data says Heesuk R. Yoon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Heesuk R. Yoon see?
- In 2024, CMS data shows 321 Original Medicare patients and 638 services for Heesuk R. Yoon. This counts Original Medicare only and measures volume, not quality.
- What is Heesuk R. Yoon's NPI number?
- 1841499191. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Heesuk R. Yoon, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 321 |
|---|---|
| Services billed to Medicare | 638 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)181 services
- Ultrasound of both sides of head and neck blood flow (93880)114 services
- Ultrasound study of arm and leg arteries (93922)68 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)51 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)24 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease54%
- Arthritis48%
- Chronic kidney disease48%
- Diabetes43%
Hospitals where Heesuk R. Yoon works
Medicare's Facility Affiliation Data lists Heesuk R. Yoon at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Franklin Woods Community HospitalJohnson City, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440184
- Greeneville Community HospitalGreeneville, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440050
- Johnson City Medical CenterJohnson City, TN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 440063
- Sycamore Shoals HospitalElizabethton, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440018
- Wellmont Bristol Regional Medical CenterBristol, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440012
Practice locations
Addresses where Heesuk R. Yoon is enrolled with Medicare (CMS data updated October 2, 2026).
- 2050 Meadowview PkwyKingsport, TN 37660 (423) 230‑5000
- 310 N State of Franklin Rd, Suite 400Johnson City, TN 37604 (423) 979‑6000
- 400 N State of Franklin RdJohnson City, TN 37604 (423) 431‑6111
Group practices
Medicare enrollment lists Heesuk R. Yoon as a member of this group (CMS data updated October 2, 2026).
- Wellmont Cardiology Services139 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Kingsport
Clinicians with the same Medicare primary specialty in Kingsport, TN — not a recommendation.
Other clinicians in Wellmont Cardiology Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas A & M University System, Hsc, College Of Medicine |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841499191 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians