Marc Justin Landsman, M.D.
Student in an Organized Health Care Education/Training Program (M.D.) in Washington, District of Columbia, trained at Georgetown University School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $686,027 for 337 claims, against $17,917 paid for services in 2024. Exact Sciences Corporation reported $43.66 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1407299621 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 8, 2013 |
| Last updated in NPPES | Apr 8, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Student in an Organized Health Care Education/Training Program Primary | 390200000X | — | — |
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 - Internal Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 195 across 28 procedure codes |
| Paid by Medicare | $17,917 |
Part D prescriptions in 2024
| Prescriptions (claims) | 337 · 507 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $686,027 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical group
- The Metrohealth SystemCleveland, OH · 1,144 clinicians
Hospital affiliation
- Metrohealth SystemCleveland, OH
Industry payments (Open Payments)
- 2025$43.66 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $43.66 | 1 |
What the 2025 payments were for
- Food and Beverage$43.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 2,302 Student in an Organized Health Care Education/Training Program providers in Washington · All Student in an Organized Health Care Education/Training Program providers in District of Columbia