Quick answers
- Which hospitals does Mazen Kherallah work at?
- Medicare's official clinician data lists Mazen Kherallah at 4 hospitals: Franciscan Health Olympia & Chicago Heights, Insight Hospital and Medical Center Chicago, Sanford Bemidji Medical Center and Sanford Medical Center Fargo. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mazen Kherallah see patients?
- Medicare's clinician data lists 8 practice locations, including West Fargo, ND, Bemidji, MN and Olympia Fields, IL. Call before your visit to confirm the address.
- What is Mazen Kherallah's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty.
- Does Mazen Kherallah accept Medicare assignment?
- Yes. Medicare's clinician data says Mazen Kherallah 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 Mazen Kherallah offer telehealth?
- Medicare's clinician data says Mazen Kherallah offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mazen Kherallah?
- (701) 234-4445, as listed in official Medicare / NPI Registry data.
- What is Mazen Kherallah's NPI number?
- 1922025691. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mazen Kherallah works
Medicare's Facility Affiliation Data lists Mazen Kherallah at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL · Acute Care Hospital · CCN 140172
- Insight Hospital and Medical Center ChicagoChicago, IL · Acute Care Hospital · CCN 140158
- Sanford Bemidji Medical CenterBemidji, MN · Acute Care Hospital · CCN 240100
- Sanford Medical Center FargoFargo, ND · Acute Care Hospital · CCN 350011
Practice locations
Addresses where Mazen Kherallah is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1220 Sheyenne StWest Fargo, ND 58078 (701) 234‑4445
- 1300 Anne St NWBemidji, MN 56601 (218) 333‑5000
- 1611 Anne St NWBemidji, MN 56601 (218) 333‑5000
- 20201 S Crawford Ave, Franciscan St James HealthOlympia Fields, IL 60461 (708) 747‑4000
- 2040 W 32nd StJoplin, MO 64804 (417) 627‑1300
Group practices
Medicare enrollment lists Mazen Kherallah as a member of these groups (CMS data updated 2026-10-02).
- Sanford Medical Center Fargo1,225 clinicians in the group
- Sanford Health of Northern Minnesota343 clinicians in the group
- Insight Chicago Inc141 clinicians in the group
- Critical Care Physicians of Illinois LLC38 clinicians in the group
- Landmark Hospital of Joplin LLC8 clinicians in the group
Specialties
- Critical Care (Intensivists)primary
Find other Critical Care (Intensivists) doctors in North Dakota →
Other critical care doctors in West Fargo
Clinicians with the same Medicare primary specialty in West Fargo, ND — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1922025691 |
| 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