Quick answers
- Which hospitals does Hassan A. Kieso work at?
- Medicare's official clinician data lists Hassan A. Kieso at 2 hospitals: CGH Medical Center and OSF Saint Clare Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hassan A. Kieso see patients?
- Medicare's clinician data lists 1 practice location in Sterling, IL. Call before your visit to confirm the address.
- What is Hassan A. Kieso's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Hassan A. Kieso accept Medicare assignment?
- Yes. Medicare's clinician data says Hassan A. Kieso 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 Hassan A. Kieso?
- (815) 625-4790, as listed in official Medicare / NPI Registry data.
- What is Hassan A. Kieso's NPI number?
- 1407812050. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hassan A. Kieso works
Medicare's Facility Affiliation Data lists Hassan A. Kieso at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CGH Medical CenterSterling, IL · Acute Care Hospital · CCN 140043
- OSF Saint Clare Medical CenterPrinceton, IL · Critical Access Hospital · CCN 141337
Practice locations
Addresses where Hassan A. Kieso is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 E Miller RdSterling, IL 61081 (815) 625‑4790
Group practices
Medicare enrollment lists Hassan A. Kieso as a member of this group (CMS data updated 2026-10-02).
- CGH Medical Center197 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Sterling
Clinicians with the same Medicare primary specialty in Sterling, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407812050 |
| 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