Quick answers
- Which hospitals does Mark E. Tanchel work at?
- Medicare's official clinician data lists Mark E. Tanchel at 1 hospital: Hackensack University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark E. Tanchel see patients?
- Medicare's clinician data lists 2 practice locations, including Toms River, NJ and Hackensack, NJ. Call before your visit to confirm the address.
- What is Mark E. Tanchel's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Mark E. Tanchel accept Medicare assignment?
- Yes. Medicare's clinician data says Mark E. Tanchel 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 Mark E. Tanchel offer telehealth?
- Medicare's clinician data says Mark E. Tanchel offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark E. Tanchel?
- (732) 281-1590, as listed in official Medicare / NPI Registry data.
- What is Mark E. Tanchel's NPI number?
- 1598762676. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark E. Tanchel works
Medicare's Facility Affiliation Data lists Mark E. Tanchel 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
Practice locations
Addresses where Mark E. Tanchel is enrolled with Medicare (CMS data updated 2026-10-02).
- 301 Lakehurst RdToms River, NJ 08755 (732) 281‑1590
- 52 1st StHackensack, NJ 07601 (201) 488‑3003
Group practices
Medicare enrollment lists Mark E. Tanchel as a member of this group (CMS data updated 2026-10-02).
- Gastroenterology Associates of New Jersey LLC80 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Toms River
Clinicians with the same Medicare primary specialty in Toms River, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598762676 |
| 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