Quick answers
- Which hospitals does Steffi Nainan work at?
- Medicare's official clinician data lists Steffi Nainan at 2 hospitals: North Shore University Hospital and Northwell Hospital Glen Cove. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steffi Nainan see patients?
- Medicare's clinician data lists 2 practice locations, including Glen Oaks, NY and Great Neck, NY. Call before your visit to confirm the address.
- What is Steffi Nainan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Steffi Nainan accept Medicare assignment?
- Yes. Medicare's clinician data says Steffi Nainan 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 Steffi Nainan offer telehealth?
- Medicare's clinician data says Steffi Nainan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Steffi Nainan?
- (718) 470-4000, as listed in official Medicare / NPI Registry data.
- What is Steffi Nainan's NPI number?
- 1093396947. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steffi Nainan works
Medicare's Facility Affiliation Data lists Steffi Nainan 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
- Northwell Hospital Glen CoveGlen Cove, NY · Acute Care Hospital · CCN 330181
Practice locations
Addresses where Steffi Nainan is enrolled with Medicare (CMS data updated 2026-10-02).
- 25611 Union TpkeGlen Oaks, NY 11004 (718) 470‑4000
- 865 Northern Blvd, Suite 102Great Neck, NY 11021 (516) 622‑5005
Group practices
Medicare enrollment lists Steffi Nainan 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 Glen Oaks
Clinicians with the same Medicare primary specialty in Glen Oaks, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1093396947 |
| 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