Quick answers
- Which hospitals does Theodore M. Perlman work at?
- Medicare's official clinician data lists Theodore M. Perlman at 1 hospital: Chsli St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Theodore M. Perlman see patients?
- Medicare's clinician data lists 2 practice locations, including Syosset, NY and Mount Kisco, NY. Call before your visit to confirm the address.
- What is Theodore M. Perlman's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Theodore M. Perlman accept Medicare assignment?
- Yes. Medicare's clinician data says Theodore M. Perlman 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 Theodore M. Perlman?
- (516) 696-2977, as listed in official Medicare / NPI Registry data.
- What is Theodore M. Perlman's NPI number?
- 1730197443. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Theodore M. Perlman works
Medicare's Facility Affiliation Data lists Theodore M. Perlman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · CCN 330332
Practice locations
Addresses where Theodore M. Perlman is enrolled with Medicare (CMS data updated 2026-10-02).
- 575 Underhill BlvdSyosset, NY 11791 (516) 696‑2977
- 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
Group practices
Medicare enrollment lists Theodore M. Perlman as a member of this group (CMS data updated 2026-10-02).
- Optum Medical Care PC1,010 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Syosset
Clinicians with the same Medicare primary specialty in Syosset, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730197443 |
| 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