Mark Rosenblum, MD
NPI 1003809310ActiveIndividual· Urology· Bethesda, MD
Urology (MD) with Medical Practices of Antietam, LLC and 1 other group, practicing in Bethesda, Maryland. Their prescriptions cost Medicare Part D more than their services did: $1,086,141 for 1,043 claims, against $478,807 paid for services in 2024. Teleflex LLC was the largest of 20 companies reporting payments in 2025, $1,398 in all, mostly food and beverage. Lists Meritus Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1003809310 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Oct 29, 2025 |
| Certified by provider | Oct 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | D0063348 | MD |
| Urology | 208800000X | MD035492 | DC |
| Urology | 208800000X | 0101287326 | VA |
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 - Urology (DC); Practitioner - Urology (MD); Practitioner - Urology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 832 |
|---|---|
| Services billed | 7,369 across 84 procedure codes |
| Paid by Medicare | $478,807 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,043 · 2,593 30-day fills |
|---|---|
| Patients | 310 |
| Total drug cost | $1,086,141 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical groups
- Medical Practices of Antietam, LLCHagerstown, MD · 234 clinicians
- Chesapeake Urology Associates LLCGermantown, MD · 177 clinicians
Hospital affiliations
- Meritus Medical CenterHagerstown, MD
- Sibley Memorial HospitalWashington, DC
- Suburban HospitalBethesda, MD
Industry payments (Open Payments)
- 2025$1,398 · 46 payments from 20 companies
- 2024$2,214 · 52 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teleflex LLC | $448.04 | 7 |
| Pfizer Inc. | $107.28 | 4 |
| Dendreon Pharmaceuticals LLC | $81.28 | 3 |
| Sumitomo Pharma America, Inc. | $74.31 | 4 |
| Merck Sharp & Dohme LLC | $70.74 | 3 |
What the 2025 payments were for
- Food and Beverage$1,398 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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