Joon Ahn, MD
NPI 1609820075 · Clinical Cardiac Electrophysiology Physician · Gainesville, GA
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joon Ahn, MD is a Clinical Cardiac Electrophysiology Physician provider in Gainesville, GA (NPI 1609820075).
Provider details
- NPI number
- 1609820075
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 048750 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,959 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 1,409 | $19 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,076 | $13 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 983 | $28 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 881 | $8 |
| Programming of Dual Lead Pacemaker System93280 | 492 | $71 |
| Evaluation of Single, Dual, Or Multiple Lead Implantable Defibrillator System, Remote Up to 90 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 591 | 155 |
| Metoprolol Succinate | 499 | 180 |
| Metoprolol Tartrate | 248 | 89 |
| Flecainide Acetate | 246 | 71 |
| Rivaroxabanbrand: Xarelto | 244 | 59 |
| Sotalol Hclbrand: Sotalol | 225 | 74 |
| Amiodarone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,610 across 47 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-20
- Last updated
- 2020-10-06
- Certified
- 2020-10-06
Frequently asked questions
- What is Joon Ahn's NPI number?
- Joon Ahn's National Provider Identifier (NPI) is 1609820075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joon Ahn's specialty?
- Joon Ahn is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Joon Ahn located?
- Joon Ahn's practice location on file with NPPES is 200 S Enota Dr Ne Ste 480, Gainesville, GA 30501-3473.
- What is Joon Ahn's phone number?
- The practice phone number listed in the NPPES registry for Joon Ahn is (770) 534-2020.
- Does Joon Ahn accept Medicare?
- Joon Ahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joon Ahn's NPI active?
- Yes — Joon Ahn's NPI (1609820075) is active in the NPPES registry as of the last update on 2020-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.