Quick answers
- Which hospitals does Nizar A. Assi work at?
- Medicare's official clinician data lists Nizar A. Assi at 1 hospital: Mercy Hospital Fort Smith. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nizar A. Assi see patients?
- Medicare's clinician data lists 3 practice locations, including Alma, AR, Fort Smith, AR and Dillon, CO. Call before your visit to confirm the address.
- What is Nizar A. Assi's specialty?
- Medicare lists Interventional Cardiology as the primary specialty.
- Does Nizar A. Assi accept Medicare assignment?
- Yes. Medicare's clinician data says Nizar A. Assi 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 Nizar A. Assi?
- (479) 632-0321, as listed in official Medicare / NPI Registry data.
- What is Nizar A. Assi's NPI number?
- 1194772954. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nizar A. Assi works
Medicare's Facility Affiliation Data lists Nizar A. Assi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital Fort SmithFort Smith, AR · Acute Care Hospital · CCN 040062
Practice locations
Addresses where Nizar A. Assi is enrolled with Medicare (CMS data updated 2026-10-02).
- 1414 Hwy 71 NAlma, AR 72921 (479) 632‑0321
- 7001 Rogers Ave, Suite 401aFort Smith, AR 72903 (479) 314‑4650
- 956 W Anemone TrailDillon, CO 80435 (970) 485‑6826
Group practices
Medicare enrollment lists Nizar A. Assi as a member of these groups (CMS data updated 2026-10-02).
- Mercy Clinic Fort Smith Communities372 clinicians in the group
- Fands Physical Therapy, Inc221 clinicians in the group
- Peaks Medical PC4 clinicians in the group
- Peaks Urgent Care PC2 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Arkansas
Clinicians with the same Medicare primary specialty in Arkansas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194772954 |
| 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