Quick answers
- Which hospitals does Ernest Batista work at?
- Medicare's official clinician data lists Ernest Batista at 4 hospitals: John T Mather Memorial Hospital of Port Jefferson, Long Island Community Hospital, St Catherine of Siena Hospital and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ernest Batista see patients?
- Medicare's clinician data lists 3 practice locations, including Stony Brook, NY and Greenport, NY. Call before your visit to confirm the address.
- What is Ernest Batista's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Ernest Batista accept Medicare assignment?
- Yes. Medicare's clinician data says Ernest Batista 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 Ernest Batista?
- (631) 638-2121, as listed in official Medicare / NPI Registry data.
- What is Ernest Batista's NPI number?
- 1538690458. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ernest Batista works
Medicare's Facility Affiliation Data lists Ernest Batista at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · CCN 330185
- Long Island Community HospitalPatchogue, NY · Acute Care Hospital · CCN 330141
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · CCN 330401
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where Ernest Batista is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Nicolls RdStony Brook, NY 11794 (631) 638‑2121
- 101 Nicolls RdStony Brook, NY 11794 (631) 444‑5400
- 201 Manor PlGreenport, NY 11944 (631) 477‑1000
Group practices
Medicare enrollment lists Ernest Batista as a member of this group (CMS data updated 2026-10-02).
- Stony Brook Radiology, University Faculty Practice Corporation59 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Stony Brook
Clinicians with the same Medicare primary specialty in Stony Brook, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538690458 |
| 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