Quick answers
- Which hospitals does John A. Reyes work at?
- Medicare's official clinician data lists John A. Reyes at 5 hospitals: Long Island Jewish Medical Center, North Shore University Hospital, Northwell Hospital Glen Cove, Ns/Lij HS Southside 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. Reyes see patients?
- Medicare's clinician data lists 2 practice locations, including Glen Cove, NY and Oyster Bay, NY. Call before your visit to confirm the address.
- What is John A. Reyes's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John A. Reyes accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Reyes 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 John A. Reyes offer telehealth?
- Medicare's clinician data says John A. Reyes offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John A. Reyes?
- (516) 674-1647, as listed in official Medicare / NPI Registry data.
- What is John A. Reyes's NPI number?
- 1295888709. 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. Reyes works
Medicare's Facility Affiliation Data lists John A. Reyes 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
- Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · CCN 330043
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
Practice locations
Addresses where John A. Reyes is enrolled with Medicare (CMS data updated 2026-10-02).
- 10 Medical Plz, Suite 209Glen Cove, NY 11542 (516) 674‑1647
- 15 A Berry Hill RdOyster Bay, NY 11771 (631) 581‑0672
Group practices
Medicare enrollment lists John A. Reyes as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Glen Cove
Clinicians with the same Medicare primary specialty in Glen Cove, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295888709 |
| 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