Erwin Mermelstein, M.D.
NPI 1538102843ActiveIndividual· Internal Medicine, Cardiovascular Disease· East Brunswick, NJ
Internal Medicine, Cardiovascular Disease (M.D.) in East Brunswick, New Jersey, trained at Js Weill Medical College, Cornell University (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $1,173,945 for 6,905 claims, against $206,869 paid for services in 2024. Heartflow, Inc. was the largest of 3 companies reporting payments in 2025, $53.72 in all, mostly food and beverage.
Overview
| NPI | 1538102843 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Apr 17, 2025 |
| Certified by provider | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 25MA04203400 | NJ |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 25MA04203400 | NJ |
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) (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 988 |
|---|---|
| Services billed | 3,575 across 30 procedure codes |
| Paid by Medicare | $206,869 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,905 · 19,312 30-day fills |
|---|---|
| Patients | 757 |
| Total drug cost | $1,173,945 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Js Weill Medical College, Cornell University |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Robert Wood Johnson Physician EnterpriseEdison, NJ · 75 clinicians
- Robert Wood Johnson Medical Associates at Hamilton PALinden, NJ · 44 clinicians
Hospital affiliations
- Centrastate Medical CenterFreehold, NJ
- Saint Peter's University HospitalNew Brunswick, NJ
Industry payments (Open Payments)
- 2025$53.72 · 3 payments from 3 companies
- 2024$149.55 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $19.92 | 1 |
| Pfizer Inc. | $18.80 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $15.00 | 1 |
What the 2025 payments were for
- Food and Beverage$53.72 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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