Quick answers
- Which hospitals does John P. Zeibeq work at?
- Medicare's official clinician data lists John P. Zeibeq at 1 hospital: Trinitas Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John P. Zeibeq see patients?
- Medicare's clinician data lists 2 practice locations, including Elizabeth, NJ and Livingston, NJ. Call before your visit to confirm the address.
- What is John P. Zeibeq's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Gastroenterology.
- Does John P. Zeibeq accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Zeibeq 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.
- What is the phone number for John P. Zeibeq?
- (615) 972-9119, as listed in official Medicare / NPI Registry data.
- What is John P. Zeibeq's NPI number?
- 1821250341. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John P. Zeibeq works
Medicare's Facility Affiliation Data lists John P. Zeibeq at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Trinitas Regional Medical CenterElizabeth, NJ · Acute Care Hospital · CCN 310027
Practice locations
Addresses where John P. Zeibeq is enrolled with Medicare (CMS data updated 2026-10-02).
- 225 Williamson StElizabeth, NJ 07202 (615) 972‑9119
- 94 Old Short Hills RdLivingston, NJ 07039 (732) 369‑5994
Group practices
Medicare enrollment lists John P. Zeibeq as a member of this group (CMS data updated 2026-10-02).
- RWJBH Observation Associates LLC1,008 clinicians in the group
Specialties
- Critical Care (Intensivists)primary
- Gastroenterologyalso
Find other Critical Care (Intensivists) doctors in New Jersey →
Other critical care doctors in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821250341 |
| 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