Joon Ahn, MD
NPI 1609820075ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Gainesville, GA
Internal Medicine, Clinical Cardiac Electrophysiology (MD) in Gainesville, Georgia, trained at Emory University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $959,451 for 3,200 claims, against $294,262 paid for services in 2024. Boston Scientific Corporation was the largest of 14 companies reporting payments in 2025, $1,653 in all, mostly food and beverage.
Overview
| NPI | 1609820075 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 20, 2006 |
| Last updated in NPPES | Oct 6, 2020 |
| Certified by provider | Oct 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 048750 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiac Electrophysiology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,128 |
|---|---|
| Services billed | 7,252 across 86 procedure codes |
| Paid by Medicare | $294,262 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,200 · 6,762 30-day fills |
|---|---|
| Patients | 698 |
| Total drug cost | $959,451 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Emory University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Georgia Heart Institute LLCWinder, GA · 129 clinicians
Hospital affiliations
- Ngmc Barrow, LLCWinder, GA
- Northeast Georgia Medical Center HabershamDemorest, GA
- Northeast Georgia Medical Center LumpkinDahlonega, GA
- Northeast Georgia Medical Center, IncGainesville, GA
- Union General HospitalBlairsville, GA
Industry payments (Open Payments)
- 2025$1,653 · 46 payments from 14 companies
- 2024$1,610 · 47 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $452.01 | 17 |
| Medtronic, Inc. | $350.54 | 6 |
| Atricure, Inc. | $320.07 | 4 |
| Biosense Webster, Inc. | $136.52 | 4 |
| Abbott Laboratories | $88.16 | 4 |
What the 2025 payments were for
- Food and Beverage$1,653 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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