Quick answers
- Which hospitals does Herman Tessler work at?
- Medicare's official clinician data lists Herman Tessler at 1 hospital: Maimonides Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Herman Tessler see patients?
- Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
- What is Herman Tessler's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Herman Tessler accept Medicare assignment?
- Yes. Medicare's clinician data says Herman Tessler 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 Herman Tessler?
- (718) 376-9494, as listed in official Medicare / NPI Registry data.
- What is Herman Tessler's NPI number?
- 1033119045. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Herman Tessler works
Medicare's Facility Affiliation Data lists Herman Tessler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Maimonides Medical CenterBrooklyn, NY · Acute Care Hospital · CCN 330194
Practice locations
Addresses where Herman Tessler is enrolled with Medicare (CMS data updated 2026-10-02).
- 1443 Ocean PkwyBrooklyn, NY 11230 (718) 376‑9494
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033119045 |
| 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