Bruce D. Greenwald, M.D.
NPI 1801842018ActiveIndividual· Internal Medicine, Gastroenterology· Baltimore, MD
Internal Medicine, Gastroenterology (M.D.) in Baltimore, Maryland, trained at University of Maryland School of Medicine (class of 1987). 266 Medicare patients in 2024, $59,428 paid; nearly all of their 534 Part D prescriptions were generic (93%). Steris Corporation reported $194.62 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1801842018 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Nov 15, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | D39961 | 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) | Enrolled Practitioner - Gastroenterology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 266 |
|---|---|
| Services billed | 525 across 48 procedure codes |
| Paid by Medicare | $59,428 |
Part D prescriptions in 2024
| Prescriptions (claims) | 534 · 1,275 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $54,114 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- University of Maryland Physicians PABaltimore, MD · 404 clinicians
Hospital affiliations
- University of Maryland Medical CenterBaltimore, MD
- University of MD Medical Center Midtown CampusBaltimore, MD
Industry payments (Open Payments)
- 2025$194.62 · 1 payment from 1 company
- 2024$1,846 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Steris Corporation | $194.62 | 1 |
What the 2025 payments were for
- Food and Beverage$194.62 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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