Shanika P. Samarasinghe, M.D.
NPI 1548385511ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Maywood, IL
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Maywood, Illinois, trained at Washington University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,556,755 for 5,185 claims, against $53,395 paid for services in 2024.
Overview
| NPI | 1548385511 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 20, 2007 |
| Last updated in NPPES | Sep 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 036111484 | IL |
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 - Endocrinology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 441 |
|---|---|
| Services billed | 712 across 11 procedure codes |
| Paid by Medicare | $53,395 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,185 · 13,122 30-day fills |
|---|---|
| Patients | 595 |
| Total drug cost | $1,556,755 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Loyola University Medical CenterMaywood, IL · 953 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Loyola Gottlieb Memorial HospitalMelrose Park, IL
- Loyola University Medical CenterMaywood, IL
- Macneal HospitalBerwyn, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
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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