Quick answers
- Which hospitals does Joslin Thomas work at?
- Medicare's official clinician data lists Joslin Thomas at 2 hospitals: North Shore University Hospital and Peconic Bay Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joslin Thomas see patients?
- Medicare's clinician data lists 6 practice locations, including Riverhead, NY, Brooklyn, NY and Syosset, NY. Call before your visit to confirm the address.
- What is Joslin Thomas's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Joslin Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says Joslin 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.
- What is the phone number for Joslin Thomas?
- (631) 548-6101, as listed in official Medicare / NPI Registry data.
- What is Joslin Thomas's NPI number?
- 1114176658. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joslin Thomas works
Medicare's Facility Affiliation Data lists Joslin Thomas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- North Shore University HospitalManhasset, NY · Acute Care Hospital · CCN 330106
- Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · CCN 330107
Practice locations
Addresses where Joslin Thomas is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1 Heroes WayRiverhead, NY 11901 (631) 548‑6101
- 1305 Kings HwyBrooklyn, NY 11229 (718) 280‑5172
- 221 Jericho TpkeSyosset, NY 11791 (516) 496‑2752
- 2248 31st StAstoria, NY 11105 (718) 571‑9192
- 243 Merrick RdRockville Centre, NY 11570 (516) 537‑9063
Group practices
Medicare enrollment lists Joslin Thomas as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- City Medical of Upper East Side PLLC658 clinicians in the group
- North Shore Lij Urgent Care PC390 clinicians in the group
- Central Suffolk Hospital95 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Riverhead
Clinicians with the same Medicare primary specialty in Riverhead, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114176658 |
| 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