Quick answers
- Which hospitals does Hatem Hassaballa work at?
- Medicare's official clinician data lists Hatem Hassaballa at 2 hospitals: Saint Anthony Medical Center and UW Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hatem Hassaballa see patients?
- Medicare's clinician data lists 1 practice location in Rockford, IL. Call before your visit to confirm the address.
- What is Hatem Hassaballa's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Hatem Hassaballa accept Medicare assignment?
- Yes. Medicare's clinician data says Hatem Hassaballa 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 Hatem Hassaballa?
- (779) 696-4400, as listed in official Medicare / NPI Registry data.
- What is Hatem Hassaballa's NPI number?
- 1699174540. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hatem Hassaballa works
Medicare's Facility Affiliation Data lists Hatem Hassaballa at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Anthony Medical CenterRockford, IL · Acute Care Hospital · CCN 140233
- UW HealthRockford, IL · Acute Care Hospital · CCN 140228
Practice locations
Addresses where Hatem Hassaballa is enrolled with Medicare (CMS data updated 2026-10-02).
- 1401 E State StRockford, IL 61104 (779) 696‑4400
Group practices
Medicare enrollment lists Hatem Hassaballa as a member of this group (CMS data updated 2026-10-02).
- Rockford Hospitalist Group LLC41 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Rockford
Clinicians with the same Medicare primary specialty in Rockford, IL — not a recommendation.
Clinician information
| Graduation year | 2008 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699174540 |
| 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