Quick answers
- Which hospitals does Lily Zhang work at?
- Medicare's official clinician data lists Lily Zhang at 5 hospitals: Chsli St Joseph Hospital, Good Samaritan Hospital Medical Center, Mercy Medical Center, St Catherine of Siena Hospital and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lily Zhang see patients?
- Medicare's clinician data lists 3 practice locations, including Roslyn, NY, Centereach, NY and Greenvale, NY. Call before your visit to confirm the address.
- What is Lily Zhang's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Lily Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Lily Zhang 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 Lily Zhang?
- (516) 562-6000, as listed in official Medicare / NPI Registry data.
- What is Lily Zhang's NPI number?
- 1942453444. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lily Zhang works
Medicare's Facility Affiliation Data lists Lily Zhang 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
- Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · CCN 330259
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · CCN 330401
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
Practice locations
Addresses where Lily Zhang is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Port Washington BlvdRoslyn, NY 11576 (516) 562‑6000
- 2112 Middle Country RdCentereach, NY 11720 (631) 468‑6900
- 2200 Northern Blvd, 100c St Francis DiagnosticGreenvale, NY 11548 (516) 325‑7400
Group practices
Medicare enrollment lists Lily Zhang as a member of these groups (CMS data updated 2026-10-02).
- CHS Physician Partners PC743 clinicians in the group
- St Francis Cardiac Prevention Services PC62 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Roslyn
Clinicians with the same Medicare primary specialty in Roslyn, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942453444 |
| 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