Quick answers
- Which hospitals does Alex Natanzon work at?
- Medicare's official clinician data lists Alex Natanzon at 4 hospitals: Maimonides Medical Center, Mount Sinai Beth Israel, New York Community Hospital of Brooklyn, Inc. and NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alex Natanzon see patients?
- Medicare's clinician data lists 8 practice locations, including New York, NY and Brooklyn, NY. Call before your visit to confirm the address.
- What is Alex Natanzon's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Alex Natanzon accept Medicare assignment?
- Yes. Medicare's clinician data says Alex Natanzon 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 Alex Natanzon offer telehealth?
- Medicare's clinician data says Alex Natanzon offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Alex Natanzon?
- (212) 263-9700, as listed in official Medicare / NPI Registry data.
- What is Alex Natanzon's NPI number?
- 1467613281. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alex Natanzon works
Medicare's Facility Affiliation Data lists Alex Natanzon 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
- Mount Sinai Beth IsraelNew York, NY · Acute Care Hospital · closed, according to its website · CCN 330169
- New York Community Hospital of Brooklyn, Inc.Brooklyn, NY · Acute Care Hospital · CCN 330019
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
Practice locations
Addresses where Alex Natanzon is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 201 Kings HwyBrooklyn, NY 11223 (929) 446‑4500
- 2525 Kings HwyBrooklyn, NY 11229 (718) 645‑1118
- 3201 Kings HwyBrooklyn, NY 11234 (718) 645‑1118
- 445 Kings Hwy, Suite 2Brooklyn, NY 11223 (718) 645‑0300
Group practices
Medicare enrollment lists Alex Natanzon as a member of these groups (CMS data updated 2026-10-02).
- New York University6,134 clinicians in the group
- Interborough Developmental and Consultation Center Inc169 clinicians in the group
- Sla Associates LLC26 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1467613281 |
| 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