Ishan A. Gunawardene, M.D
NPI 1265453245ActiveIndividual· Internal Medicine· Wellington, FL
Internal Medicine (M.D) with Ehs at Lakeside LLC and 1 other group, practicing in Wellington, Florida. Their prescriptions cost Medicare Part D more than their services did: $417,432 for 4,262 claims, against $119,794 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $259.98 in all, mostly food and beverage. Lists Lakeside Medical Center as a hospital affiliation.
Overview
| NPI | 1265453245 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | Jul 22, 2006 |
| Last updated in NPPES | Oct 14, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME81674 | FL |
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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 268 |
|---|---|
| Services billed | 1,588 across 31 procedure codes |
| Paid by Medicare | $119,794 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,262 · 9,337 30-day fills |
|---|---|
| Patients | 582 |
| Total drug cost | $417,432 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Ehs at Lakeside LLCBelle Glade, FL · 5 clinicians
- Advanced Medical Clinic P AWellington, FL · 2 clinicians
Hospital affiliation
- Lakeside Medical CenterBelle Glade, FL
Industry payments (Open Payments)
- 2025$259.98 · 12 payments from 8 companies
- 2024$530.38 · 19 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $81.67 | 4 |
| Pfizer Inc. | $46.10 | 2 |
| Boston Scientific Corporation | $28.58 | 1 |
| Novo Nordisk Inc | $25.86 | 1 |
| Lilly USA, LLC | $20.65 | 1 |
What the 2025 payments were for
- Food and Beverage$259.98 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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