Robert J. Marshall, M.D.
Opted out of Medicare from December 2025 to December 2027. Internal Medicine, Cardiovascular Disease (M.D.) in Chevy Chase, Maryland, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $946,318 for 3,595 claims, against $396,187 paid for services in 2024. Heartflow, Inc. was the largest of 12 companies reporting payments in 2025, $931.07 in all, mostly food and beverage.
Overview
| NPI | 1053365189 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 22, 2006 |
| Last updated in NPPES | Jul 21, 2026 |
| Certified by provider | Jul 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | D0056379 | MD |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Dec 27, 2025 – Dec 27, 2027 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 1,287 |
|---|---|
| Services billed | 4,445 across 71 procedure codes |
| Paid by Medicare | $396,187 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,595 · 9,945 30-day fills |
|---|---|
| Patients | 571 |
| Total drug cost | $946,318 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Meritus Medical CenterHagerstown, MD
- Sibley Memorial HospitalWashington, DC
- Suburban HospitalBethesda, MD
Industry payments (Open Payments)
- 2025$931.07 · 32 payments from 12 companies
- 2024$1,161 · 38 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $158.84 | 1 |
| Pfizer Inc. | $158.49 | 11 |
| Medtronic, Inc. | $154.43 | 1 |
| Amgen Inc. | $92.24 | 4 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $73.20 | 3 |
What the 2025 payments were for
- Food and Beverage$931.07 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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