Quick answers
- Which hospitals does Arron J. Gravina work at?
- Medicare's official clinician data lists Arron J. Gravina at 2 hospitals: John T Mather Memorial Hospital of Port Jefferson and Morristown Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Arron J. Gravina see patients?
- Medicare's clinician data lists 3 practice locations, including Yonkers, NY, Port Jefferson Station, NY and Parsippany, NJ. Call before your visit to confirm the address.
- What is Arron J. Gravina's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Arron J. Gravina accept Medicare assignment?
- Yes. Medicare's clinician data says Arron J. Gravina 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 Arron J. Gravina?
- (914) 963-8588, as listed in official Medicare / NPI Registry data.
- What is Arron J. Gravina's NPI number?
- 1538665666. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Arron J. Gravina works
Medicare's Facility Affiliation Data lists Arron J. Gravina 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
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
Practice locations
Addresses where Arron J. Gravina is enrolled with Medicare (CMS data updated 2026-10-02).
- 1086 N Broadway, Suite 220Yonkers, NY 10701 (914) 963‑8588
- 1500 Route 112, Bldg 4Port Jefferson Station, NY 11776 (631) 928‑0188
- 900 Lanidex Plz, Suite 300Parsippany, NJ 07054 (973) 394‑1818
Group practices
Medicare enrollment lists Arron J. Gravina as a member of this group (CMS data updated 2026-10-02).
- Ent and Allergy Associates LLP432 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Yonkers
Clinicians with the same Medicare primary specialty in Yonkers, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538665666 |
| 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