Karthik Ramaswamy, MD
NPI 1295787885ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Canton, OH
Internal Medicine, Clinical Cardiac Electrophysiology (MD) with Chas Physician Services LLC and 1 other group, practicing in Canton, Ohio. In 2024 Medicare paid $236,737 for 1,990 patients, and Part D covered 1,175 of their prescriptions, 70% of them generic. Actelion Pharmaceuticals US, Inc. was the largest of 4 companies reporting payments in 2025, $279.29 in all, mostly food and beverage. Lists Boone Hospital Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1295787885 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 16, 2006 |
| Last updated in NPPES | May 20, 2026 |
| Certified by provider | May 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 35C.003994 | OH |
| Internal Medicine, Clinical Cardiac Electrophysiology | 207RC0001X | K8443 | TX |
| Internal Medicine, Clinical Cardiac Electrophysiology | 207RC0001X | 040525 | GA |
| Internal Medicine, Clinical Cardiac Electrophysiology | 207RC0001X | 2011008014 | MO |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 2011008014 | MO |
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); Practitioner - Cardiac Electrophysiology (IN); Practitioner - Cardiac Electrophysiology (KY); Practitioner - Cardiovascular Disease (Cardiology) (MO); Practitioner - Cardiac Electrophysiology (OH); Practitioner - Cardiac Electrophysiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,990 |
|---|---|
| Services billed | 5,722 across 70 procedure codes |
| Paid by Medicare | $236,737 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,175 · 2,103 30-day fills |
|---|---|
| Patients | 303 |
| Total drug cost | $321,367 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Cardiac Electrophysiology |
Medical groups
- Chas Physician Services LLCColumbia, MO · 25 clinicians
- Atlanta Heart Specialists LLCTucker, GA · 21 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- Emory Johns Creek HospitalJohns Creek, GA
- Mercy Medical CenterCanton, OH
- Missouri Baptist Medical CenterSaint Louis, MO
- Saint Joseph's Hospital of Atlanta, IncAtlanta, GA
Industry payments (Open Payments)
- 2025$279.29 · 5 payments from 4 companies
- 2024$434.54 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Actelion Pharmaceuticals US, Inc. | $124.98 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $108.28 | 2 |
| Edwards Lifesciences Corporation | $30.11 | 1 |
| Altathera Pharmaceuticals LLC | $15.92 | 1 |
What the 2025 payments were for
- Food and Beverage$279.29 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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