Christos Karalis
NPI 1215487509ActiveIndividual· Internal Medicine, Gastroenterology· Du Bois, PA
Internal Medicine, Gastroenterology in Du Bois, Pennsylvania, trained at Rush Medical College of Rush University (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $97,574 for 1,126 claims, against $58,392 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $115.18 in all, mostly food and beverage.
Overview
| NPI | 1215487509 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 11, 2016 |
| Last updated in NPPES | Jul 6, 2026 |
| Certified by provider | Jul 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD459693 | PA |
| Internal Medicine, Gastroenterology | 207RG0100X | MD-26796 | HI |
| Internal Medicine, Gastroenterology | 207RG0100X | 98-01686 | NC |
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 - Gastroenterology (HI); Practitioner - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 298 |
|---|---|
| Services billed | 540 across 42 procedure codes |
| Paid by Medicare | $58,392 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,126 · 1,302 30-day fills |
|---|---|
| Patients | 341 |
| Total drug cost | $97,574 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Gastroenterology |
Medical groups
- Dubois Regional Medical CenterDu Bois, PA · 416 clinicians
- Kau HospitalHilo, HI · 140 clinicians
Hospital affiliations
- Hilo Benioff Medical CenterHilo, HI
- Penn Highlands BrookvilleBrookville, PA
- Penn Highlands DuboisDubois, PA
- Penn Highlands ElkSaint Marys, PA
Industry payments (Open Payments)
- 2025$115.18 · 6 payments from 2 companies
- 2024$20.77 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $92.80 | 5 |
| Digestive Care, Inc. | $22.38 | 1 |
What the 2025 payments were for
- Food and Beverage$115.18 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Du Bois
- 1316922511
- 1487682993
- 1801994652