Michael J. Riley, M.D.
NPI 1033394747ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Marietta, GA
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) in Marietta, Georgia, trained at George Washington University School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,065,545 for 2,556 claims, against $223,197 paid for services in 2024. Atricure, Inc. was the largest of 14 companies reporting payments in 2025, $15,014 in all, mostly food and beverage.
Overview
| NPI | 1033394747 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 2, 2008 |
| Last updated in NPPES | Oct 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 59949 | GA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 59949 | GA |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 59949 | GA |
| Nuclear Medicine, Nuclear Cardiology | 207UN0901X | 59949 | GA |
| Nuclear Medicine, Nuclear Imaging & Therapy | 207UN0902X | 59949 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 1,123 |
|---|---|
| Services billed | 3,868 across 61 procedure codes |
| Paid by Medicare | $223,197 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,556 · 5,541 30-day fills |
|---|---|
| Patients | 596 |
| Total drug cost | $1,065,545 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Cardiac Electrophysiology |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliations
- Wellstar Cobb Medical CenterAustell, GA
- Wellstar Kennestone Regional Medical CenterMarietta, GA
- Wellstar North Fulton Medical CenterRoswell, GA
- Wellstar Paulding Medical CenterHiram, GA
Other facilities
- Wellstar Windy Hill HospitalLong-term care hospital · Marietta, GA
Industry payments (Open Payments)
- 2025$15,014 · 106 payments from 14 companies
- 2024$19,469 · 89 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $5,606 | 14 |
| Medtronic, Inc. | $4,252 | 33 |
| Boston Scientific Corporation | $2,038 | 18 |
| Ebr Systems, Inc. | $1,399 | 13 |
| Abbott Laboratories | $1,171 | 10 |
What the 2025 payments were for
- Food and Beverage$6,800 · 91 payments
- Travel and Lodging$4,215 · 14 payments
- Consulting Fee$4,000 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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