Konstantinos Arnaoutakis, M.D.
NPI 1053426304ActiveIndividual· Internal Medicine, Hematology & Oncology· Little Rock, AR
Internal Medicine, Hematology & Oncology (M.D.) with University of Arkansas for Medical Sciences, practicing in Little Rock, Arkansas. Their prescriptions cost Medicare Part D more than their services did: $1,827,301 for 667 claims, against $43,245 paid for services in 2024. Novocure Inc. reported $74.16 in payments in 2025, mostly food and beverage. Lists University of Arkansas Medical Sciences as a hospital affiliation.
Overview
| NPI | 1053426304 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | Jul 6, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | E5915 | AR |
| Internal Medicine | 207R00000X | 228798 | 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 - Hematology/Oncology (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 603 across 14 procedure codes |
| Paid by Medicare | $43,245 |
Part D prescriptions in 2024
| Prescriptions (claims) | 667 · 787 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $1,827,301 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University of Arkansas for Medical SciencesLittle Rock, AR · 1,175 clinicians
Hospital affiliation
- University of Arkansas Medical SciencesLittle Rock, AR
Industry payments (Open Payments)
- 2025$74.16 · 1 payment from 1 company
- 2024$2,422 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novocure Inc. | $74.16 | 1 |
What the 2025 payments were for
- Food and Beverage$74.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Little Rock
- 1033008321
- 1417846726
- 1508147810
- 1265595128
- 1902832330
- 1477535391
- 1346472669
- 1780091975
- 1407352040
- 1164484614
- 1154551604
- 1568441368
All Internal Medicine, Hematology & Oncology providers in Arkansas →