Christos N. Papageorgiou, M.D., PHD
NPI 1003861477ActiveIndividual· Internal Medicine, Hematology & Oncology· Lebanon, NH
Internal Medicine, Hematology & Oncology (M.D., PHD) with Dartmouth-Hitchcock Clinic and 1 other group, practicing in Lebanon, New Hampshire. Their prescriptions cost Medicare Part D more than their services did: $142,809 for 239 claims, against $30,739 paid for services in 2024. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $129.27 in all, mostly food and beverage. Lists Mary Hitchcock Memorial Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1003861477 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PHD |
| Sole proprietor | No |
| NPI issued | May 24, 2006 |
| Last updated in NPPES | Sep 2, 2026 |
| Certified by provider | Sep 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | EL32869 | NH |
| Internal Medicine, Medical Oncology | 207RX0202X | 2002016149 | MO |
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 - Hematology/Oncology (MO); Practitioner - Medical Oncology (NH); Practitioner - Medical Oncology (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 201 |
|---|---|
| Services billed | 572 across 13 procedure codes |
| Paid by Medicare | $30,739 |
Part D prescriptions in 2024
| Prescriptions (claims) | 239 · 437 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $142,809 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Medical Oncology |
Medical groups
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
Hospital affiliations
- Mary Hitchcock Memorial HospitalLebanon, NH
- North Country Hospital and Health CenterNewport, VT
- Northeastern Vermont Regional HospitalSaint Johnsbury, VT
- University of Missouri Health CareColumbia, MO
Industry payments (Open Payments)
- 2025$129.27 · 2 payments from 2 companies
- 2024$56.30 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $113.61 | 1 |
| Gilead Sciences, Inc. | $15.66 | 1 |
What the 2025 payments were for
- Food and Beverage$129.27 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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