Mark Robert Abbruzzese
NPI 1154310035ActiveIndividual· Internal Medicine, Infectious Disease· Bethesda, MD
Internal Medicine, Infectious Disease with Medstar Medical Group II LLC, practicing in Bethesda, Maryland. In 2024 Medicare paid $191,660 for 237 patients, and Part D covered 236 of their prescriptions, 87% of them generic. Merck Sharp & Dohme LLC reported $29.50 in payments in 2025, mostly food and beverage. Lists Medstar Georgetown University Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1154310035 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 13, 2005 |
| Last updated in NPPES | Jun 27, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | MD15748 | DC |
| Internal Medicine, Infectious Disease | 207RI0200X | D0048226 | MD |
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 - Infectious Disease (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 237 |
|---|---|
| Services billed | 1,660 across 15 procedure codes |
| Paid by Medicare | $191,660 |
Part D prescriptions in 2024
| Prescriptions (claims) | 236 · 423 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $118,081 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$29.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $29.50 | 1 |
What the 2025 payments were for
- Food and Beverage$29.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Infectious Disease providers in Bethesda
- 1306835285
- 1437562378
- 1043708324
- 1669434718
- 1295436616
- 1649248329
- 1487680591
- 1851333603
- 1396705372
- 1396710562
- 1518994649
- 1265411995
All Internal Medicine, Infectious Disease providers in Maryland →