Quick answers
- Where does Marc Z. Tessler see patients?
- Medicare's clinician data lists 2 practice locations, including South Fallsburg, NY and New Square, NY. Call before your visit to confirm the address.
- What is Marc Z. Tessler's specialty?
- Medicare lists Pediatric Medicine as the primary specialty.
- Does Marc Z. Tessler accept Medicare assignment?
- Yes. Medicare's clinician data says Marc Z. 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 Marc Z. Tessler?
- (845) 482-9394, as listed in official Medicare / NPI Registry data.
- What is Marc Z. Tessler's NPI number?
- 1669432829. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Marc Z. Tessler is enrolled with Medicare (CMS data updated 2026-10-02).
- 36 Laurel AveSouth Fallsburg, NY 12779 (845) 482‑9394
- 728 N Main StNew Square, NY 10977 (845) 354‑9300
Group practices
Medicare enrollment lists Marc Z. Tessler as a member of this group (CMS data updated 2026-10-02).
- Refuah Health Center Inc89 clinicians in the group
Specialties
- Pediatric Medicineprimary
Other pediatricians in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Medical school | State University Of New York Downstate Medical Center |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669432829 |
| 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
- 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