Antonios Tsismenakis, MD
NPI 1942509161ActiveIndividual· Orthopaedic Surgery· Bangor, ME
Orthopaedic Surgery (MD) in Bangor, Maine, trained at Boston University School of Medicine (class of 2011). 287 Medicare patients in 2024, $119,778 paid; nearly all of their 758 Part D prescriptions were generic (98%). Encore Medical, LP was the largest of 3 companies reporting payments in 2025, $8,345 in all, mostly travel and lodging.
Overview
| NPI | 1942509161 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 28, 2011 |
| Last updated in NPPES | Jul 16, 2021 |
| Certified by provider | Jul 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | MD21648 | 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 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 - Orthopedic Surgery (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 287 |
|---|---|
| Services billed | 1,226 across 47 procedure codes |
| Paid by Medicare | $119,778 |
Part D prescriptions in 2024
| Prescriptions (claims) | 758 · 780 30-day fills |
|---|---|
| Patients | 247 |
| Total drug cost | $9,726 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Down East Orthopedic Assoc PABangor, ME · 14 clinicians
Hospital affiliations
- Down East Community HospitalMachias, ME
- Northern Light Eastern Maine Medical CenterBangor, ME
- Northern Light Maine Coast HospitalEllsworth, ME
- Northern Light Sebasticook Valley HospitalPittsfield, ME
- St Joseph HospitalBangor, ME
Other facilities
- Centerwell Home HealthHome health agency · Bangor, ME
- Community Health & Counseling ServicesHome health agency · Bangor, ME
- Northern Light Home Care & HospiceHome health agency · So Portland, ME
- St Joseph HomecareHome health agency · Bangor, ME
Industry payments (Open Payments)
- 2025$8,345 · 16 payments from 3 companies
- 2024$10,964 · 14 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Encore Medical, LP | $8,297 | 14 |
| Endo USA, Inc. | $27.89 | 1 |
| Bioventus LLC | $19.72 | 1 |
What the 2025 payments were for
- Travel and Lodging$4,984 · 8 payments
- Consulting Fee$3,000 · 1 payment
- Food and Beverage$361.14 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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