Quick answers
- Which hospitals does Hossam E. Yassin work at?
- Medicare's official clinician data lists Hossam E. Yassin at 3 hospitals: Cape Cod Hospital, Falmouth Hospital and Martha's Vineyard Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hossam E. Yassin see patients?
- Medicare's clinician data lists 1 practice location in Hyannis, MA. Call before your visit to confirm the address.
- What is Hossam E. Yassin's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Hossam E. Yassin accept Medicare assignment?
- Yes. Medicare's clinician data says Hossam E. Yassin 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 Hossam E. Yassin?
- (774) 552-6000, as listed in official Medicare / NPI Registry data.
- What is Hossam E. Yassin's NPI number?
- 1447269782. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hossam E. Yassin works
Medicare's Facility Affiliation Data lists Hossam E. Yassin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cape Cod HospitalHyannis, MA · Acute Care Hospital · CCN 220012
- Falmouth HospitalFalmouth, MA · Acute Care Hospital · CCN 220135
- Martha's Vineyard Hospital IncOak Bluffs, MA · Critical Access Hospital · CCN 221300
Practice locations
Addresses where Hossam E. Yassin is enrolled with Medicare (CMS data updated 2026-10-02).
- 27 Park StHyannis, MA 02601 (774) 552‑6000
Group practices
Medicare enrollment lists Hossam E. Yassin as a member of this group (CMS data updated 2026-10-02).
- Physicians of Cape Cod Hospital334 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Hyannis
Clinicians with the same Medicare primary specialty in Hyannis, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447269782 |
| 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