Quick answers
- Which hospitals does Nickolaos Michelakis work at?
- Medicare's official clinician data lists Nickolaos Michelakis at 4 hospitals: Long Island Community Hospital, Mercy Medical Center, Nassau University Medical Center and NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nickolaos Michelakis see patients?
- Medicare's clinician data lists 6 practice locations, including New York, NY, Garden City, NY and East Meadow, NY. Call before your visit to confirm the address.
- What is Nickolaos Michelakis's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Nickolaos Michelakis accept Medicare assignment?
- Yes. Medicare's clinician data says Nickolaos Michelakis 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 Nickolaos Michelakis?
- (212) 263-9700, as listed in official Medicare / NPI Registry data.
- What is Nickolaos Michelakis's NPI number?
- 1649475294. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nickolaos Michelakis works
Medicare's Facility Affiliation Data lists Nickolaos Michelakis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Community HospitalPatchogue, NY · Acute Care Hospital · CCN 330141
- Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · CCN 330259
- Nassau University Medical CenterEast Meadow, NY · Acute Care Hospital · CCN 330027
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
Practice locations
Addresses where Nickolaos Michelakis is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 1401 Franklin AveGarden City, NY 11530
- 1530 Front StEast Meadow, NY 11554 (516) 324‑7500
- 212 Jericho TpkeMineola, NY 11501 (516) 663‑4480
- 259 1st StMineola, NY 11501
Group practices
Medicare enrollment lists Nickolaos Michelakis as a member of this group (CMS data updated 2026-10-02).
- New York University6,134 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 | State University Of New York Downstate Medical Center |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649475294 |
| 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