Gaby Weissman, M.D.
NPI 1629010285ActiveIndividual· Internal Medicine, Cardiovascular Disease· Washington, DC
Internal Medicine, Cardiovascular Disease (M.D.) in Washington, District of Columbia, trained at University of Texas Medical Branch at Galveston (class of 1999). Mostly services rather than prescriptions: Medicare paid $64,878 for 927 patients in 2024, with only 36 Part D claims. Heartflow, Inc. was the largest of 5 companies reporting payments in 2025, $1,681 in all, mostly food and beverage.
Overview
| NPI | 1629010285 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2006 |
| Last updated in NPPES | Mar 30, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | D0064333 | 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 - Cardiovascular Disease (Cardiology) (DC); Practitioner - Cardiovascular Disease (Cardiology) (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 927 |
|---|---|
| Services billed | 1,111 across 28 procedure codes |
| Paid by Medicare | $64,878 |
Part D prescriptions in 2024
| Prescriptions (claims) | 36 · 78 30-day fills |
|---|---|
| Total drug cost | $17,274 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Medstar Heart Institute LLCBaltimore, MD · 301 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Medstar Good Samaritan HospitalBaltimore, MD
- Medstar Southern Maryland Hospital CenterClinton, MD
- Medstar Union Memorial HospitalBaltimore, MD
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$1,681 · 13 payments from 5 companies
- 2024$1,183 · 14 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $1,310 | 7 |
| Abbott Laboratories | $163.59 | 1 |
| Neosoft, LLC | $129.73 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $60.29 | 3 |
| Novartis Pharmaceuticals Corporation | $18.03 | 1 |
What the 2025 payments were for
- Food and Beverage$903.34 · 10 payments
- Travel and Lodging$777.99 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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