Mark R. Lena, MD
NPI 1366484230ActiveIndividual· Internal Medicine, Gastroenterology· Bangor, ME
Internal Medicine, Gastroenterology (MD) in Bangor, Maine, trained at Geisel School of Medicine at Dartmouth (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $241,155 for 208 claims, against $34,920 paid for services in 2024. Gilead Sciences, Inc. reported $71.60 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1366484230 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 12, 2006 |
| Last updated in NPPES | Feb 3, 2022 |
| Certified by provider | Feb 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD12551 | ME |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 326 across 20 procedure codes |
| Paid by Medicare | $34,920 |
Part D prescriptions in 2024
| Prescriptions (claims) | 208 · 338 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $241,155 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Geisel School of Medicine at Dartmouth |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- St Joseph HospitalBangor, ME · 199 clinicians
Hospital affiliations
- Northern Light Maine Coast HospitalEllsworth, ME
- St Joseph HospitalBangor, ME
Industry payments (Open Payments)
- 2025$71.60 · 1 payment from 1 company
- 2024$69.01 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $71.60 | 1 |
What the 2025 payments were for
- Food and Beverage$71.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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