Quick answers
- Which hospitals does Jonathan S. Leibowitz work at?
- Medicare's official clinician data lists Jonathan S. Leibowitz at 2 hospitals: Maimonides Medical Center and NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan S. Leibowitz see patients?
- Medicare's clinician data lists 2 practice locations, including Brooklyn, NY and Flushing, NY. Call before your visit to confirm the address.
- What is Jonathan S. Leibowitz's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Jonathan S. Leibowitz accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan S. Leibowitz 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 Jonathan S. Leibowitz offer telehealth?
- Medicare's clinician data says Jonathan S. Leibowitz offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jonathan S. Leibowitz?
- (718) 972-7222, as listed in official Medicare / NPI Registry data.
- What is Jonathan S. Leibowitz's NPI number?
- 1588665012. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan S. Leibowitz works
Medicare's Facility Affiliation Data lists Jonathan S. Leibowitz 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
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
Practice locations
Addresses where Jonathan S. Leibowitz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1343 55th StBrooklyn, NY 11219 (718) 972‑7222
- 2619 Francis Lewis BlvdFlushing, NY 11358 (718) 888‑0750
Group practices
Medicare enrollment lists Jonathan S. Leibowitz as a member of this group (CMS data updated 2026-10-02).
- Chinatown True Care Medical PLLC241 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1588665012 |
| 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