Martin D. Weltz, D.O.
NPI 1740283100ActiveIndividual· Internal Medicine, Hematology & Oncology· Greenbelt, MD
Internal Medicine, Hematology & Oncology (D.O.) in Greenbelt, Maryland, licensed in MD, WV and IN, with an NPI issued in May 2005. 42 Medicare patients in 2024, $3,960 paid; nearly all of their 56 Part D prescriptions were generic (96%).
Overview
| NPI | 1740283100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 31, 2005 |
| Last updated in NPPES | Apr 18, 2022 |
| Certified by provider | Apr 18, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | D0023743 | MD |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 3470 | WV |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 02005407A | IN |
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 (MD); Practitioner - Hematology (SC); Practitioner - Hematology/Oncology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 83 across 9 procedure codes |
| Paid by Medicare | $3,960 |
Part D prescriptions in 2024
| Prescriptions (claims) | 56 · 119 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $2,078 |
| Generic share | 96% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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