Quick answers
- Which hospitals does Christine Nwaiser work at?
- Medicare's official clinician data lists Christine Nwaiser at 1 hospital: John T Mather Memorial Hospital of Port Jefferson. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christine Nwaiser see patients?
- Medicare's clinician data lists 2 practice locations, including Port Jefferson Station, NY and Port Jefferson, NY. Call before your visit to confirm the address.
- What is Christine Nwaiser's specialty?
- Medicare lists Sleep Medicine as the primary specialty.
- Does Christine Nwaiser accept Medicare assignment?
- Yes. Medicare's clinician data says Christine Nwaiser 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 Christine Nwaiser offer telehealth?
- Medicare's clinician data says Christine Nwaiser offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Christine Nwaiser?
- (631) 686-1414, as listed in official Medicare / NPI Registry data.
- What is Christine Nwaiser's NPI number?
- 1063974236. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christine Nwaiser works
Medicare's Facility Affiliation Data lists Christine Nwaiser at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · CCN 330185
Practice locations
Addresses where Christine Nwaiser is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 Route 112, Suite APort Jefferson Station, NY 11776 (631) 686‑1414
- 75 N Country Rd, Suite 101Port Jefferson, NY 11777 (631) 476‑2721
Group practices
Medicare enrollment lists Christine Nwaiser as a member of this group (CMS data updated 2026-10-02).
- Harbor View Medical Services PC58 clinicians in the group
Specialties
- Sleep Medicineprimary
Other sleep medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1063974236 |
| 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