Robert Sipzner, M.D.
NPI 1467491589ActiveIndividual· Internal Medicine, Nephrology· Livingston, NJ
Internal Medicine, Nephrology (M.D.) in Livingston, New Jersey, trained at New York University School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $628,520 for 5,094 claims, against $158,329 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 17 companies reporting payments in 2025, $947.47 in all, mostly food and beverage.
Overview
| NPI | 1467491589 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Feb 22, 2024 |
| Certified by provider | Feb 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 25MA04976000 | 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 - Nephrology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 416 |
|---|---|
| Services billed | 1,736 across 22 procedure codes |
| Paid by Medicare | $158,329 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,094 · 12,411 30-day fills |
|---|---|
| Patients | 512 |
| Total drug cost | $628,520 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
Hospital affiliations
- Cooperman Barnabas Medical CenterLivingston, NJ
- Morristown Medical CenterMorristown, NJ
- Overlook Medical CenterSummit, NJ
Other facilities
- Davita BayonneDialysis facility · Bayonne, NJ
- Davita West Orange DialysisDialysis facility · West Orange, NJ
- Barnabas Health Home Care and HospiceHome health agency · West Orange, NJ
Industry payments (Open Payments)
- 2025$947.47 · 59 payments from 17 companies
- 2024$858.65 · 59 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $163.22 | 13 |
| Amgen Inc. | $143.02 | 9 |
| Bayer Healthcare Pharmaceuticals Inc. | $91.56 | 5 |
| Ardelyx, Inc. | $83.61 | 5 |
| Novo Nordisk Inc | $67.19 | 4 |
What the 2025 payments were for
- Food and Beverage$945.81 · 58 payments
- Education$1.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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