Quick answers
- Which hospitals does Michael A. Gistrak work at?
- Medicare's official clinician data lists Michael A. Gistrak at 1 hospital: Robert Wood Johnson University Hospital at Rahway. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael A. Gistrak see patients?
- Medicare's clinician data lists 5 practice locations, including West Orange, NJ, Fair Lawn, NJ and Haledon, NJ. Call before your visit to confirm the address.
- What is Michael A. Gistrak's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Michael A. Gistrak accept Medicare assignment?
- Yes. Medicare's clinician data says Michael A. Gistrak 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 Michael A. Gistrak?
- (973) 731-4600, as listed in official Medicare / NPI Registry data.
- What is Michael A. Gistrak's NPI number?
- 1396793972. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael A. Gistrak works
Medicare's Facility Affiliation Data lists Michael A. Gistrak at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Robert Wood Johnson University Hospital at RahwayRahway, NJ · Acute Care Hospital · CCN 310024
Practice locations
Addresses where Michael A. Gistrak is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 Old Short Hills Rd, Suite 217West Orange, NJ 07052 (973) 731‑4600
- 22 -18 Broadway, Suite 201Fair Lawn, NJ 07410 (201) 475‑5050
- 397 Haledon Ave, Suite 103Haledon, NJ 07508 (973) 782‑4871
- 727 Raritan Rd, Suite 101Clark, NJ 07066 (732) 499‑8000
- 865 Stone StRahway, NJ 07065 (732) 499‑6139
Group practices
Medicare enrollment lists Michael A. Gistrak as a member of these groups (CMS data updated 2026-10-02).
- Barnabas Health Multispecialty23 clinicians in the group
- Heart and Vascular Associates of Northern Jersey, P.A.14 clinicians in the group
- Gastrointestinal Medical Experts, LLC5 clinicians in the group
- Milliennieum Gastroenterology Inc4 clinicians in the group
- Rahway Pathology, P.A.4 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Js Weill Medical College, Cornell University |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396793972 |
| 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