Quick answers
- Which hospitals does Matthew P. Liakos work at?
- Medicare's official clinician data lists Matthew P. Liakos at 4 hospitals: Chsli St Joseph Hospital, Good Samaritan Hospital Medical Center, St Charles Hospital and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew P. Liakos see patients?
- Medicare's clinician data lists 2 practice locations, including West Islip, NY. Call before your visit to confirm the address.
- What is Matthew P. Liakos's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Matthew P. Liakos accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew P. Liakos 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 Matthew P. Liakos?
- (631) 465-6225, as listed in official Medicare / NPI Registry data.
- What is Matthew P. Liakos's NPI number?
- 1194004291. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew P. Liakos works
Medicare's Facility Affiliation Data lists Matthew P. Liakos 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
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
- St Charles HospitalPort Jefferson, NY · Acute Care Hospital · CCN 330246
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
Practice locations
Addresses where Matthew P. Liakos is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Montauk HwyWest Islip, NY 11795 (631) 465‑6225
- 540 Union BlvdWest Islip, NY 11795 (631) 669‑2255
Group practices
Medicare enrollment lists Matthew P. Liakos as a member of these groups (CMS data updated 2026-10-02).
- St Francis Hospital99 clinicians in the group
- Cardiac Ekg Interpretation, P. C.57 clinicians in the group
Specialties
Other interventional cardiologists in West Islip
Clinicians with the same Medicare primary specialty in West Islip, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194004291 |
| 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