Mark Zweben, M.D.
NPI 1720067077ActiveIndividual· Internal Medicine, Cardiovascular Disease· Bear, DE
Internal Medicine, Cardiovascular Disease (M.D.) in Bear, Delaware, trained at New York University School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,296,546 for 7,129 claims, against $553,860 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $242.29 in all, mostly food and beverage.
Overview
| NPI | 1720067077 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 14, 2006 |
| Last updated in NPPES | Jul 8, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | C1-0006934 | DE |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | D0007714 | 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 - Cardiovascular Disease (Cardiology) (DE); Practitioner - Cardiovascular Disease (Cardiology) (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,441 |
|---|---|
| Services billed | 6,385 across 53 procedure codes |
| Paid by Medicare | $553,860 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,129 · 18,576 30-day fills |
|---|---|
| Patients | 953 |
| Total drug cost | $1,296,546 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
- Cardiology Physicians, LLCNewark, DE · 49 clinicians
Hospital affiliations
- Christiana HospitalNewark, DE
- Union Hospital of Cecil CountyElkton, MD
Industry payments (Open Payments)
- 2025$242.29 · 4 payments from 3 companies
- 2024$258.70 · 16 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $124.39 | 1 |
| Abbott Laboratories | $77.59 | 1 |
| E.R. Squibb & Sons, L.L.C. | $40.31 | 2 |
What the 2025 payments were for
- Food and Beverage$242.29 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other cardiologists in Bear
- 1861619975
- 1578499505