Leonard Silverstein, M.D.
NPI 1639138571ActiveIndividual· Specialist· Saddle River, NJ
Specialist (M.D.) in Saddle River, New Jersey, trained at Duke University School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $742,413 for 1,582 claims, against $104,428 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 18 companies reporting payments in 2025, $3,357 in all, mostly food and beverage.
Overview
| NPI | 1639138571 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 20, 2006 |
| Last updated in NPPES | Sep 5, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | MA57113 | 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 - Allergy/Immunology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 313 |
|---|---|
| Services billed | 3,247 across 36 procedure codes |
| Paid by Medicare | $104,428 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,582 · 2,222 30-day fills |
|---|---|
| Patients | 264 |
| Total drug cost | $742,413 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Mpv New Jersey MD Services PCDumont, NJ · 151 clinicians
Hospital affiliations
- Hackensack Meridian Health Pascack Valley MedicalWestwood, NJ
- Valley HospitalParamus, NJ
Industry payments (Open Payments)
- 2025$3,357 · 202 payments from 18 companies
- 2024$14,306 · 169 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $530.11 | 21 |
| Ars Pharmaceuticals Operations, Inc. | $472.88 | 30 |
| Genzyme Corporation | $428.80 | 24 |
| Astrazeneca Pharmaceuticals LP | $364.11 | 44 |
| Novartis Pharmaceuticals Corporation | $318.12 | 18 |
What the 2025 payments were for
- Food and Beverage$3,323 · 201 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Specialist providers in Saddle River
- 1740241074
- 1548402795
- 1922248806
- 1962463059