Quick answers
- Does Karthik Ramaswamy accept Medicare assignment?
- Yes. Medicare's clinician data says Karthik Ramaswamy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Karthik Ramaswamy see?
- In 2024, CMS data shows 1,990 Original Medicare patients and 5,722 services for Karthik Ramaswamy. This counts Original Medicare only and measures volume, not quality.
- What is Karthik Ramaswamy's NPI number?
- 1295787885. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Karthik Ramaswamy, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,990 |
|---|---|
| Services billed to Medicare | 5,722 |
| Different services or procedures | 70 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)1,124 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)793 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)788 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)738 services
- Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)445 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation60%
- Ischemic heart disease56%
- Heart failure52%
- Arthritis47%
Hospitals where Karthik Ramaswamy works
Medicare's Facility Affiliation Data lists Karthik Ramaswamy at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Boone Hospital CenterColumbia, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260068
- Emory Johns Creek HospitalJohns Creek, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110230
- Mercy Medical CenterCanton, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360070
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108
- Saint Joseph's Hospital of Atlanta, IncAtlanta, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110082
Practice locations
Addresses where Karthik Ramaswamy is enrolled with Medicare (CMS data updated October 2, 2026).
- 1468 Montreal RdTucker, GA 30084 (770) 638‑1400
- 1605 E Broadway, Suite 300Columbia, MO 65201 (573) 256‑7700
Group practices
Medicare enrollment lists Karthik Ramaswamy as a member of these groups (CMS data updated October 2, 2026).
- Chas Physician Services LLC25 clinicians in the group
- Atlanta Heart Specialists LLC21 clinicians in the group
Specialties
- Cardiac Electrophysiologyprimary
Other cardiac electrophysiologists in Georgia
Clinicians with the same Medicare primary specialty in Georgia — not a recommendation.
Other clinicians in Chas Physician Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295787885 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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