Quick answers
- Which hospitals does Benjamin L. Biederman work at?
- Medicare's official clinician data lists Benjamin L. Biederman at 1 hospital: St Joseph's University Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Benjamin L. Biederman see patients?
- Medicare's clinician data lists 2 practice locations, including Totowa, NJ and Montclair, NJ. Call before your visit to confirm the address.
- What is Benjamin L. Biederman's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Benjamin L. Biederman accept Medicare assignment?
- Yes. Medicare's clinician data says Benjamin L. Biederman 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 Benjamin L. Biederman?
- (862) 657-3100, as listed in official Medicare / NPI Registry data.
- What is Benjamin L. Biederman's NPI number?
- 1518428069. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Benjamin L. Biederman works
Medicare's Facility Affiliation Data lists Benjamin L. Biederman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Joseph's University Medical Center IncPaterson, NJ · Acute Care Hospital · CCN 310019
Practice locations
Addresses where Benjamin L. Biederman is enrolled with Medicare (CMS data updated 2026-10-02).
- 225 Minnisink Rd, Suite 300Totowa, NJ 07512 (862) 657‑3100
- 88 Park StMontclair, NJ 07042 (973) 233‑9559
Group practices
Medicare enrollment lists Benjamin L. Biederman as a member of these groups (CMS data updated 2026-10-02).
- St Josephs Medical Group PC216 clinicians in the group
- Gastroenterology Associates of New Jersey LLC80 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518428069 |
| 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