Ratnasabapathy Sivasekaran, MD
NPI 1114954476ActiveIndividual· Internal Medicine· Ocala, FL
Internal Medicine (MD) with Cora Health Services Inc and 1 other group, practicing in Ocala, Florida. Their prescriptions cost Medicare Part D more than their services did: $1,574,357 for 15,717 claims, against $994,781 paid for services in 2024. Stryker Corporation was the largest of 6 companies reporting payments in 2025, $277.66 in all, mostly food and beverage. Lists Adventhealth Ocala and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1114954476 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Mar 24, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME90344 | FL |
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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,874 |
|---|---|
| Services billed | 24,049 across 88 procedure codes |
| Paid by Medicare | $994,781 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,717 · 25,570 30-day fills |
|---|---|
| Patients | 588 |
| Total drug cost | $1,574,357 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
| Telehealth | Offers telehealth |
Medical groups
- Cora Health Services IncThe Villages, FL · 1,136 clinicians
- Hospitalists Group of Florida PLLCOcala, FL · 10 clinicians
Hospital affiliations
- Adventhealth OcalaOcala, FL
- Marion Communtiy HospitalOcala, FL
- Uf Health Leesburg HospitalLeesburg, FL
- Uf Health Shands HospitalGainesville, FL
- Villages Regional Hospital, theThe Villages, FL
Other facilities
- Empath Home HealthHome health agency · Belleview, FL
- Vitalcaring GroupHome health agency · Crystal River, FL
- Hospice of Marion County IncHospice · Ocala, FL
- Encompass Health Rehab Hospital of Central FloridaInpatient rehabilitation facility · Ocala, FL
- HCA Florida Ocala HospitalInpatient rehabilitation facility · Ocala, FL
- Kindred Hospital OcalaLong-term care hospital · Ocala, FL
- Bridgewater Park Health & Rehabilitation CenterNursing home · Ocala, FL
- Hawthorne Center for Rehabilitation and Healing ofNursing home · Ocala, FL
- Ocala Oaks Rehabilitation CenterNursing home · Ocala, FL
- The Lodge Healthcare and Rehabilitation CenterNursing home · Ocala, FL
- Timberridge Nursing & Rehabilitation CenterNursing home · Ocala, FL
Industry payments (Open Payments)
- 2025$277.66 · 6 payments from 6 companies
- 2024$115.28 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $171.37 | 1 |
| Astellas Pharma US Inc | $30.77 | 1 |
| Glaxosmithkline, LLC. | $22.93 | 1 |
| Abbvie Inc. | $19.49 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $18.21 | 1 |
What the 2025 payments were for
- Food and Beverage$277.66 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 173 internal medicine physicians in Ocala · All internal medicine physicians in Florida