Quick answers
- Which hospitals does Ashby O. Thomas work at?
- Medicare's official clinician data lists Ashby O. Thomas at 2 hospitals: Long Island Jewish Medical Center and North Shore University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ashby O. Thomas see patients?
- Medicare's clinician data lists 3 practice locations, including New Hyde Park, NY and Glen Cove, NY. Call before your visit to confirm the address.
- What is Ashby O. Thomas's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Ashby O. Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says Ashby O. Thomas 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 Ashby O. Thomas offer telehealth?
- Medicare's clinician data says Ashby O. Thomas offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ashby O. Thomas?
- (516) 775-7770, as listed in official Medicare / NPI Registry data.
- What is Ashby O. Thomas's NPI number?
- 1366767154. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ashby O. Thomas works
Medicare's Facility Affiliation Data lists Ashby O. Thomas 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
Practice locations
Addresses where Ashby O. Thomas is enrolled with Medicare (CMS data updated 2026-10-02).
- 2001 Marcus Ave, N18New Hyde Park, NY 11042 (516) 775‑7770
- 27005 75th AveNew Hyde Park, NY 11040 (718) 470‑7000
- 70 Glen St, Suite 200Glen Cove, NY 11542 (516) 484‑7893
Group practices
Medicare enrollment lists Ashby O. Thomas as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- North Shore Lij Medical Group at North Nassau, PC35 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in New Hyde Park
Clinicians with the same Medicare primary specialty in New Hyde Park, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Js Weill Medical College, Cornell University |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1366767154 |
| 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