Quick answers
- Which hospitals does Jay I. Stack work at?
- Medicare's official clinician data lists Jay I. Stack at 1 hospital: Morristown Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jay I. Stack see patients?
- Medicare's clinician data lists 1 practice location in Florham Park, NJ. Call before your visit to confirm the address.
- What is Jay I. Stack's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Jay I. Stack accept Medicare assignment?
- Yes. Medicare's clinician data says Jay I. Stack accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Jay I. Stack offer telehealth?
- Medicare's clinician data says Jay I. Stack offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jay I. Stack?
- (973) 736-2212, as listed in official Medicare / NPI Registry data.
- What is Jay I. Stack's NPI number?
- 1245325026. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jay I. Stack works
Medicare's Facility Affiliation Data lists Jay I. Stack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
Practice locations
Addresses where Jay I. Stack is enrolled with Medicare (CMS data updated 2026-10-02).
- 83 Hanover Rd, Suite 290Florham Park, NJ 07932 (973) 736‑2212
Group practices
Medicare enrollment lists Jay I. Stack as a member of this group (CMS data updated 2026-10-02).
- Northeast Kidney Care LLC67 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Florham Park
Clinicians with the same Medicare primary specialty in Florham Park, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245325026 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians