Ronald D. Massari, MD
NPI 1073510640ActiveIndividual· Internal Medicine, Cardiovascular Disease· Mountain Lakes, NJ
Internal Medicine, Cardiovascular Disease (MD) in Mountain Lakes, New Jersey, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $909,814 for 4,663 claims, against $179,939 paid for services in 2024. Novo Nordisk Inc was the largest of 15 companies reporting payments in 2025, $1,063 in all, mostly food and beverage.
Overview
| NPI | 1073510640 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 28, 2005 |
| Last updated in NPPES | Feb 3, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 25MA05382900 | NJ |
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) (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,172 |
|---|---|
| Services billed | 3,580 across 30 procedure codes |
| Paid by Medicare | $179,939 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,663 · 12,101 30-day fills |
|---|---|
| Patients | 736 |
| Total drug cost | $909,814 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
Hospital affiliations
- Morristown Medical CenterMorristown, NJ
- Newton Medical CenterNewton, NJ
- Saint Clare's Hospital/ Denville CampusDenville, NJ
Industry payments (Open Payments)
- 2025$1,063 · 59 payments from 15 companies
- 2024$1,037 · 64 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $242.66 | 8 |
| Amgen Inc. | $189.20 | 11 |
| Pfizer Inc. | $178.39 | 16 |
| Bayer Healthcare Pharmaceuticals Inc. | $90.17 | 4 |
| Novartis Pharmaceuticals Corporation | $62.67 | 3 |
What the 2025 payments were for
- Food and Beverage$1,063 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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