Costas L. Constantinou, MD
NPI 1518970748ActiveIndividual· Internal Medicine, Medical Oncology· Moline, IL
Internal Medicine, Medical Oncology (MD) with Trinity Medical Center, practicing in Moline, Illinois. Their prescriptions cost Medicare Part D more than their services did: $3,268,497 for 1,577 claims, against $38,799 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $68.49 in payments in 2025, mostly education. Lists Trinity Rock Island as a hospital affiliation.
Overview
| NPI | 1518970748 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 15, 2006 |
| Last updated in NPPES | Jul 30, 2021 |
| Certified by provider | Jul 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 32688 | IA |
| Internal Medicine, Medical Oncology | 207RX0202X | 036087414 | IL |
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 - Hematology/Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 308 |
|---|---|
| Services billed | 671 across 11 procedure codes |
| Paid by Medicare | $38,799 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,577 · 2,195 30-day fills |
|---|---|
| Patients | 319 |
| Total drug cost | $3,268,497 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Hospice/Palliative Care |
Medical group
- Trinity Medical CenterRock Island, IL · 99 clinicians
Hospital affiliation
- Trinity Rock IslandRock Island, IL
Industry payments (Open Payments)
- 2025$68.49 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $68.49 | 1 |
What the 2025 payments were for
- Education$68.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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