Quick answers
- Which hospitals does Robert Czyzewski work at?
- Medicare's official clinician data lists Robert Czyzewski at 5 hospitals: Hackensack University Medical Center, JFK University Medical Center, Raritan Bay Medical Center, Robert Wood Johnson University Hospital at Rahway and Trinitas Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert Czyzewski see patients?
- Medicare's clinician data lists 3 practice locations, including Iselin, NJ and Linden, NJ. Call before your visit to confirm the address.
- What is Robert Czyzewski's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Robert Czyzewski accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Czyzewski 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 Robert Czyzewski?
- (732) 404-1580, as listed in official Medicare / NPI Registry data.
- What is Robert Czyzewski's NPI number?
- 1558304782. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert Czyzewski works
Medicare's Facility Affiliation Data lists Robert Czyzewski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · CCN 310001
- JFK University Medical CenterEdison, NJ · Acute Care Hospital · CCN 310108
- Raritan Bay Medical CenterPerth Amboy, NJ · Acute Care Hospital · CCN 310039
- Robert Wood Johnson University Hospital at RahwayRahway, NJ · Acute Care Hospital · CCN 310024
- Trinitas Regional Medical CenterElizabeth, NJ · Acute Care Hospital · CCN 310027
Practice locations
Addresses where Robert Czyzewski is enrolled with Medicare (CMS data updated 2026-10-02).
- 400 Gill LaneIselin, NJ 08830
- 400 Gill LnIselin, NJ 08830 (732) 404‑1580
- 515 N Wood Ave, Suite 302Linden, NJ 07036
Group practices
Medicare enrollment lists Robert Czyzewski as a member of these groups (CMS data updated 2026-10-02).
- Avenel Iselin Medical Group, LLC18 clinicians in the group
- Linden Medical Group, LLC2 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558304782 |
| 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