Ron Zanger, M.D.
NPI 1255424099ActiveIndividual· Internal Medicine, Nephrology· Cherry Hill, NJ
Internal Medicine, Nephrology (M.D.) in Cherry Hill, New Jersey, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $197,265 for 1,278 claims, against $53,929 paid for services in 2024. Ardelyx, Inc. reported $53.28 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1255424099 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Aug 15, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 25MA04960400 | 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 | 229 |
|---|---|
| Services billed | 666 across 18 procedure codes |
| Paid by Medicare | $53,929 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,278 · 3,306 30-day fills |
|---|---|
| Patients | 190 |
| Total drug cost | $197,265 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Nephrology |
Medical group
- Cooper Nephrology PCCamden, NJ · 20 clinicians
Hospital affiliation
- Cooper University HospitalCamden, NJ
Other facilities
- Davita Cherry Hill DialysisDialysis facility · Cherry Hill, NJ
Industry payments (Open Payments)
- 2025$53.28 · 3 payments from 1 company
- 2024$47.45 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $53.28 | 3 |
What the 2025 payments were for
- Food and Beverage$53.28 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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