Quick answers
- Which hospitals does Keriake Semertzides work at?
- Medicare's official clinician data lists Keriake Semertzides at 2 hospitals: Long Island Community Hospital and St Charles Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Keriake Semertzides see patients?
- Medicare's clinician data lists 1 practice location in Patchogue, NY. Call before your visit to confirm the address.
- What is Keriake Semertzides's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Keriake Semertzides accept Medicare assignment?
- Yes. Medicare's clinician data says Keriake Semertzides 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 Keriake Semertzides offer telehealth?
- Medicare's clinician data says Keriake Semertzides offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Keriake Semertzides?
- (631) 475-1900, as listed in official Medicare / NPI Registry data.
- What is Keriake Semertzides's NPI number?
- 1992064513. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Keriake Semertzides works
Medicare's Facility Affiliation Data lists Keriake Semertzides at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Community HospitalPatchogue, NY · Acute Care Hospital · CCN 330141
- St Charles HospitalPort Jefferson, NY · Acute Care Hospital · CCN 330246
Practice locations
Addresses where Keriake Semertzides is enrolled with Medicare (CMS data updated 2026-10-02).
- 157 E Woodside AvePatchogue, NY 11772 (631) 475‑1900
Group practices
Medicare enrollment lists Keriake Semertzides as a member of this group (CMS data updated 2026-10-02).
- New York University6,134 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Patchogue
Clinicians with the same Medicare primary specialty in Patchogue, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1992064513 |
| 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