Quick answers
- Which hospitals does Alexander Sarenac work at?
- Medicare's official clinician data lists Alexander Sarenac at 5 hospitals: Cayuga Medical Center at Ithaca, Corning Hospital, Hackensack Meridian Health Pascack Valley Medical, Samaritan Hospital of Troy, New York and St Peter's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexander Sarenac see patients?
- Medicare's clinician data lists 6 practice locations, including Montclair, NJ, Corning, NY and Schenecctady, NY. Call before your visit to confirm the address.
- What is Alexander Sarenac's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Alexander Sarenac accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander Sarenac 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 Alexander Sarenac?
- (973) 429-6000, as listed in official Medicare / NPI Registry data.
- What is Alexander Sarenac's NPI number?
- 1366736241. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexander Sarenac works
Medicare's Facility Affiliation Data lists Alexander Sarenac at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cayuga Medical Center at IthacaIthaca, NY · Acute Care Hospital · CCN 330307
- Corning HospitalCorning, NY · Acute Care Hospital · CCN 330277
- Hackensack Meridian Health Pascack Valley MedicalWestwood, NJ · Acute Care Hospital · CCN 310130
- Samaritan Hospital of Troy, New YorkTroy, NY · Acute Care Hospital · CCN 330180
- St Peter's HospitalAlbany, NY · Acute Care Hospital · CCN 330057
Practice locations
Addresses where Alexander Sarenac is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1 Bay AveMontclair, NJ 07042 (973) 429‑6000
- 1 Guthrie DrCorning, NY 14830 (607) 937‑7200
- 1101 Nott StSchenecctady, NY 12308 (518) 243‑4121
- 250 Old Hook RdWestwood, NJ 07675 (954) 939‑5000
- 33 -57 Harrison StJohnson City, NY 13790 (607) 763‑6622
Group practices
Medicare enrollment lists Alexander Sarenac as a member of these groups (CMS data updated 2026-10-02).
- United Medical Associates PC229 clinicians in the group
- Island Emergency Medical Services PC137 clinicians in the group
- Barron Emergency Physicians LLC100 clinicians in the group
- Corning Hospital44 clinicians in the group
- Emergency Associates of Montclair LLC26 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Montclair
Clinicians with the same Medicare primary specialty in Montclair, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366736241 |
| 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