Quick answers
- Which hospitals does Michael T. Gray work at?
- Medicare's official clinician data lists Michael T. Gray at 4 hospitals: Chsli St Joseph Hospital, Good Samaritan Hospital 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 Michael T. Gray see patients?
- Medicare's clinician data lists 1 practice location in Bay Shore, NY. Call before your visit to confirm the address.
- What is Michael T. Gray's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
- Does Michael T. Gray accept Medicare assignment?
- Medicare's clinician data says Michael T. Gray may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Michael T. Gray?
- (631) 376-6075, as listed in official Medicare / NPI Registry data.
- What is Michael T. Gray's NPI number?
- 1477634350. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael T. Gray works
Medicare's Facility Affiliation Data lists Michael T. Gray 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
- 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 Michael T. Gray is enrolled with Medicare (CMS data updated 2026-10-02).
- 40 E Main StBay Shore, NY 11706 (631) 376‑6075
Group practices
Medicare enrollment lists Michael T. Gray as a member of these groups (CMS data updated 2026-10-02).
- Infectious Diseases Medicine PLLC5 clinicians in the group
- South Shore Infectious Diseases, PC5 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Bay Shore
Clinicians with the same Medicare primary specialty in Bay Shore, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1477634350 |
| 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