Jay Irving Stack, M.D.
NPI 1245325026ActiveIndividual· Internal Medicine, Nephrology· Morristown, NJ
Internal Medicine, Nephrology (M.D.) in Morristown, New Jersey, trained at Perelman School of Med at the University of Pennsylvania (class of 1976). In 2024 Medicare paid $163,509 for 241 patients, and Part D covered 1,417 of their prescriptions, 88% of them generic. Alexion Pharmaceuticals, Inc. was the largest of 8 companies reporting payments in 2025, $701.60 in all, mostly consulting fees.
Overview
| NPI | 1245325026 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 4, 2006 |
| Last updated in NPPES | Dec 20, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 25MA03875700 | 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 - Nephrology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 241 |
|---|---|
| Services billed | 1,205 across 17 procedure codes |
| Paid by Medicare | $163,509 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,417 · 3,542 30-day fills |
|---|---|
| Patients | 190 |
| Total drug cost | $237,841 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Northeast Kidney Care LLCManahawkin, NJ · 67 clinicians
Hospital affiliation
- Morristown Medical CenterMorristown, NJ
Other facilities
- Davita Renal Center of MorristownDialysis facility · Morristown, NJ
- Davita Renal Center of SuccasunnaDialysis facility · Succasunna, NJ
- Fmc Dialysis Associates North JerseyDialysis facility · Parsippany, NJ
- Fmc East MorrisDialysis facility · Morristown, NJ
- Atlantic Visiting NurseHome health agency · Morristown, NJ
Industry payments (Open Payments)
- 2025$701.60 · 17 payments from 8 companies
- 2024$475.29 · 30 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $350.00 | 1 |
| Ardelyx, Inc. | $113.19 | 1 |
| Otsuka America Pharmaceutical, Inc. | $62.02 | 3 |
| Novartis Pharmaceuticals Corporation | $60.87 | 4 |
| Astrazeneca Pharmaceuticals LP | $47.15 | 3 |
What the 2025 payments were for
- Consulting Fee$350.00 · 1 payment
- Food and Beverage$348.28 · 15 payments
- Education$3.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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