Quick answers
- Which hospitals does Wassim Atassi work at?
- Medicare's official clinician data lists Wassim Atassi at 5 hospitals: Community Hospital, Franciscan Health Dyer, Franciscan Health Michigan City, Franciscan Health Munster and St Catherine Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Wassim Atassi see patients?
- Medicare's clinician data lists 1 practice location in Highland, IN. Call before your visit to confirm the address.
- What is Wassim Atassi's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Wassim Atassi accept Medicare assignment?
- Yes. Medicare's clinician data says Wassim Atassi 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 Wassim Atassi?
- (219) 937-2511, as listed in official Medicare / NPI Registry data.
- What is Wassim Atassi's NPI number?
- 1871533927. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Wassim Atassi works
Medicare's Facility Affiliation Data lists Wassim Atassi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community HospitalMunster, IN · Acute Care Hospital · CCN 150125
- Franciscan Health DyerDyer, IN · Acute Care Hospital · CCN 150090
- Franciscan Health Michigan CityMichigan City, IN · Acute Care Hospital · CCN 150015
- Franciscan Health MunsterMunster, IN · Acute Care Hospital · CCN 150165
- St Catherine Hospital IncEast Chicago, IN · Acute Care Hospital · CCN 150008
Practice locations
Addresses where Wassim Atassi is enrolled with Medicare (CMS data updated 2026-10-02).
- 9696 Gordon DrHighland, IN 46322 (219) 937‑2511
Group practices
Medicare enrollment lists Wassim Atassi as a member of this group (CMS data updated 2026-10-02).
- Columbia Medical Center Ltd6 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Highland
Clinicians with the same Medicare primary specialty in Highland, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871533927 |
| 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