Quick answers
- Does Seung Geun Yoon accept Medicare assignment?
- Yes. Medicare's clinician data says Seung Geun 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 Seung Geun Yoon see?
- In 2024, CMS data shows 136 Original Medicare patients and 366 services for Seung Geun Yoon. This counts Original Medicare only and measures volume, not quality.
- What is Seung Geun Yoon's NPI number?
- 1417338617. 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 Seung Geun 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 | 136 |
|---|---|
| Services billed to Medicare | 366 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Critical care, first 30-74 minutes (99291)125 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)83 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)32 services
- Critical care, each additional 30 minutes (99292)28 services
- Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)22 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%
- Heart failure54%
- Arthritis51%
- Ischemic heart disease51%
- Diabetes49%
Hospitals where Seung Geun Yoon works
Medicare's Facility Affiliation Data lists Seung Geun 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.
- CHI St Alexius HealthBismarck, ND · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 350002
- Piedmont Macon Medical CenterMacon, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110164
Practice locations
Addresses where Seung Geun Yoon is enrolled with Medicare (CMS data updated October 2, 2026).
- 1133 Eagles Landing PkwyStockbridge, GA 30281 (678) 604‑1000
- 350 Hospital DrMacon, GA 31217 (478) 765‑7000
- 900 E Broadway AveBismarck, ND 58501 (701) 530‑7000
Group practices
Medicare enrollment lists Seung Geun Yoon as a member of these groups (CMS data updated October 2, 2026).
- Piedmont Specialty Hospital Billing LLC259 clinicians in the group
- St Alexius Medical Center238 clinicians in the group
Specialties
Other internal medicine doctors in Stockbridge
Clinicians with the same Medicare primary specialty in Stockbridge, GA — not a recommendation.
Other clinicians in Piedmont Specialty Hospital Billing LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417338617 |
| 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