Quick answers
- Which hospitals does Varant Arzoumanian work at?
- Medicare's official clinician data lists Varant Arzoumanian at 5 hospitals: Baptist Health - Fort Smith, Cherokee Nation W W Hastings Indian Hospital, Choctaw Nation Health Services Authority, Eastern Oklahoma Medical Center and Mercy Hospital Fort Smith. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Varant Arzoumanian see patients?
- Medicare's clinician data lists 3 practice locations, including Fort Smith, AR. Call before your visit to confirm the address.
- What is Varant Arzoumanian's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Varant Arzoumanian accept Medicare assignment?
- Yes. Medicare's clinician data says Varant Arzoumanian 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 Varant Arzoumanian?
- (479) 709-7435, as listed in official Medicare / NPI Registry data.
- What is Varant Arzoumanian's NPI number?
- 1790904027. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Varant Arzoumanian works
Medicare's Facility Affiliation Data lists Varant Arzoumanian at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Health - Fort SmithFort Smith, AR · Acute Care Hospital · CCN 040055
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK · Acute Care Hospital · CCN 370171
- Choctaw Nation Health Services AuthorityTalihina, OK · Acute Care Hospital · CCN 370172
- Eastern Oklahoma Medical CenterPoteau, OK · Critical Access Hospital · CCN 371337
- Mercy Hospital Fort SmithFort Smith, AR · Acute Care Hospital · CCN 040062
Practice locations
Addresses where Varant Arzoumanian is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 Towson Ave, Suite 300Fort Smith, AR 72901 (479) 709‑7435
- 7001 Rogers Ave, Suite 200Fort Smith, AR 72903 (479) 314‑4620
- 7301 Rogers AveFort Smith, AR 72903 (479) 314‑6000
Group practices
Medicare enrollment lists Varant Arzoumanian as a member of these groups (CMS data updated 2026-10-02).
- Mercy Clinic Fort Smith Communities372 clinicians in the group
- Baptist Health Services98 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Fort Smith
Clinicians with the same Medicare primary specialty in Fort Smith, AR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790904027 |
| 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