Ruwan Lalinda Gamage Gamarallage, M.D.
NPI 1568803526ActiveIndividual· Internal Medicine· Raleigh, NC
Internal Medicine (M.D.) with Duke University Health System, Inc, practicing in Raleigh, North Carolina. In 2024 Medicare paid $35,989 for 142 patients, and Part D covered 252 of their prescriptions, 86% of them generic. Lists Duke University Hospital as a hospital affiliation.
Overview
| NPI | 1568803526 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2013 |
| Last updated in NPPES | Dec 5, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 256490 | MA |
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 - Family Practice (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 142 |
|---|---|
| Services billed | 442 across 10 procedure codes |
| Paid by Medicare | $35,989 |
Part D prescriptions in 2024
| Prescriptions (claims) | 252 · 276 30-day fills |
|---|---|
| Patients | 88 |
| Total drug cost | $17,170 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Duke University Health System, IncDurham, NC · 1,102 clinicians
Hospital affiliation
- Duke University HospitalDurham, NC
Other facilities
- Duke HospiceHospice · Durham, NC
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 393 internal medicine physicians in Raleigh · All internal medicine physicians in North Carolina