Quick answers
- Which hospitals does Bassem T. El Hassan work at?
- Medicare's official clinician data lists Bassem T. El Hassan at 5 hospitals: Brigham and Women's Hospital, Massachusetts General Hospital, North Shore Medical Center -, The Cooley Dickinson Hospital Inc and Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Bassem T. El Hassan see patients?
- Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
- What is Bassem T. El Hassan's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Bassem T. El Hassan accept Medicare assignment?
- Yes. Medicare's clinician data says Bassem T. El Hassan 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 Bassem T. El Hassan offer telehealth?
- Medicare's clinician data says Bassem T. El Hassan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Bassem T. El Hassan?
- (617) 724-0287, as listed in official Medicare / NPI Registry data.
- What is Bassem T. El Hassan's NPI number?
- 1407865751. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Bassem T. El Hassan works
Medicare's Facility Affiliation Data lists Bassem T. El Hassan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · CCN 220110
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
- North Shore Medical Center -Salem, MA · Acute Care Hospital · CCN 220035
- The Cooley Dickinson Hospital IncNorthampton, MA · Acute Care Hospital · CCN 220015
- Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · CCN 300018
Practice locations
Addresses where Bassem T. El Hassan is enrolled with Medicare (CMS data updated 2026-10-02).
- 55 Fruit StBoston, MA 02114 (617) 724‑0287
Group practices
Medicare enrollment lists Bassem T. El Hassan as a member of this group (CMS data updated 2026-10-02).
- Massachusetts General Physicians Organization Inc3,558 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407865751 |
| 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