Quick answers
- Which hospitals does Mohsen Alshamam work at?
- Medicare's official clinician data lists Mohsen Alshamam at 3 hospitals: Canton-Potsdam Hospital, SLHS Massena, Inc and St John's Episcopal Hospital at South Shore. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mohsen Alshamam see patients?
- Medicare's clinician data lists 5 practice locations, including Massena, NY, Port Jefferson, NY and Far Rockaway, NY. Call before your visit to confirm the address.
- What is Mohsen Alshamam's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Mohsen Alshamam accept Medicare assignment?
- Yes. Medicare's clinician data says Mohsen Alshamam 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 Mohsen Alshamam?
- (240) 686-2300, as listed in official Medicare / NPI Registry data.
- What is Mohsen Alshamam's NPI number?
- 1710448113. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mohsen Alshamam works
Medicare's Facility Affiliation Data lists Mohsen Alshamam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Canton-Potsdam HospitalPotsdam, NY · Acute Care Hospital · CCN 330197
- SLHS Massena, IncMassena, NY · Critical Access Hospital · CCN 331322
- St John's Episcopal Hospital at South ShoreFar Rockaway, NY · Acute Care Hospital · CCN 330395
Practice locations
Addresses where Mohsen Alshamam is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hospital DrMassena, NY 13662
- 1 Hospital Dr, Fl 3Massena, NY 13662
- 200 Belle Terre RdPort Jefferson, NY 11777 (240) 686‑2300
- 327 Beach 19th StFar Rockaway, NY 11691 (718) 869‑7000
- 50 Leroy StPotsdam, NY 13676 (315) 265‑3300
Group practices
Medicare enrollment lists Mohsen Alshamam as a member of these groups (CMS data updated 2026-10-02).
- Canton-Potsdam Hospital252 clinicians in the group
- Port Emergency Medical Services PC43 clinicians in the group
- Massena Hospital Inc42 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Massena
Clinicians with the same Medicare primary specialty in Massena, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710448113 |
| 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