Quick answers
- Which hospitals does John A. Varner work at?
- Medicare's official clinician data lists John A. Varner at 5 hospitals: Long Island Jewish Medical Center, North Shore University Hospital, Northwell Hospital Glen Cove, Plainview Hospital and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Varner see patients?
- Medicare's clinician data lists 1 practice location in Glen Cove, NY. Call before your visit to confirm the address.
- What is John A. Varner's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does John A. Varner accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Varner 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 John A. Varner?
- (516) 484-7893, as listed in official Medicare / NPI Registry data.
- What is John A. Varner's NPI number?
- 1770578338. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John A. Varner works
Medicare's Facility Affiliation Data lists John A. Varner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · CCN 330195
- North Shore University HospitalManhasset, NY · Acute Care Hospital · CCN 330106
- Northwell Hospital Glen CoveGlen Cove, NY · Acute Care Hospital · CCN 330181
- Plainview HospitalPlainview, NY · Acute Care Hospital · CCN 330331
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
Practice locations
Addresses where John A. Varner is enrolled with Medicare (CMS data updated 2026-10-02).
- 70 Glen St, Suite 200Glen Cove, NY 11542 (516) 484‑7893
Group practices
Medicare enrollment lists John A. Varner as a member of this group (CMS data updated 2026-10-02).
- North Shore Lij Medical Group at North Nassau, PC35 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Glen Cove
Clinicians with the same Medicare primary specialty in Glen Cove, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770578338 |
| 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