Quick answers
- Which hospitals does Joon Ahn work at?
- Medicare's official clinician data lists Joon Ahn at 5 hospitals: NGMC Barrow, LLC, Northeast Georgia Medical Center Habersham, Northeast Georgia Medical Center Lumpkin, Northeast Georgia Medical Center, Inc and Union General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joon Ahn see patients?
- Medicare's clinician data lists 13 practice locations, including Dawsonville, GA, Braselton, GA and Gainesville, GA. Call before your visit to confirm the address.
- What is Joon Ahn's specialty?
- Medicare lists Cardiac Electrophysiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Joon Ahn accept Medicare assignment?
- Yes. Medicare's clinician data says Joon Ahn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Joon Ahn?
- (770) 534-2020, as listed in official Medicare / NPI Registry data.
- What is Joon Ahn's NPI number?
- 1609820075. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joon Ahn works
Medicare's Facility Affiliation Data lists Joon Ahn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- NGMC Barrow, LLCWinder, GA · Acute Care Hospital · CCN 110045
- Northeast Georgia Medical Center HabershamDemorest, GA · Acute Care Hospital · CCN 110041
- Northeast Georgia Medical Center LumpkinDahlonega, GA · Acute Care Hospital · CCN 110237
- Northeast Georgia Medical Center, IncGainesville, GA · Acute Care Hospital · CCN 110029
- Union General HospitalBlairsville, GA · Acute Care Hospital · CCN 110051
Practice locations
Addresses where Joon Ahn is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 13; the Medicare profile lists all.
- 108 Prominence Ct, Suite 210Dawsonville, GA 30534 (770) 534‑2020
- 1400 River PlBraselton, GA 30517 (770) 848‑8000
- 1404 River Pl, Suite 501Braselton, GA 30517 (770) 534‑2020
- 200 S Enota Dr NEGainesville, GA 30501 (770) 534‑2020
- 2578 Helen HwyCleveland, GA 30528 (770) 534‑2020
Group practices
Medicare enrollment lists Joon Ahn as a member of this group (CMS data updated 2026-10-02).
- Georgia Heart Institute LLC129 clinicians in the group
Specialties
Other cardiac electrophysiologists in Georgia
Clinicians with the same Medicare primary specialty in Georgia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609820075 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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