Quick answers
- Which hospitals does James Lainiotis work at?
- Medicare's official clinician data lists James Lainiotis at 1 hospital: North Shore University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Lainiotis see patients?
- Medicare's clinician data lists 1 practice location in Plainview, NY. Call before your visit to confirm the address.
- What is James Lainiotis's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does James Lainiotis accept Medicare assignment?
- Yes. Medicare's clinician data says James Lainiotis 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 James Lainiotis?
- (516) 938-1414, as listed in official Medicare / NPI Registry data.
- What is James Lainiotis's NPI number?
- 1790737948. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James Lainiotis works
Medicare's Facility Affiliation Data lists James Lainiotis 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
Practice locations
Addresses where James Lainiotis is enrolled with Medicare (CMS data updated 2026-10-02).
- 522 Old Country RdPlainview, NY 11803 (516) 938‑1414
Group practices
Medicare enrollment lists James Lainiotis as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Plainview
Clinicians with the same Medicare primary specialty in Plainview, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790737948 |
| 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