Quick answers
- Which hospitals does Hythem R. Zayed work at?
- Medicare's official clinician data lists Hythem R. Zayed at 2 hospitals: UChicago Medicine AdventHealth Hinsdale and UChicago Medicine AdventHealth La Grange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hythem R. Zayed see patients?
- Medicare's clinician data lists 1 practice location in Bolingbrook, IL. Call before your visit to confirm the address.
- What is Hythem R. Zayed's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Hythem R. Zayed accept Medicare assignment?
- Yes. Medicare's clinician data says Hythem R. Zayed 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 Hythem R. Zayed?
- (630) 312-5000, as listed in official Medicare / NPI Registry data.
- What is Hythem R. Zayed's NPI number?
- 1225217748. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hythem R. Zayed works
Medicare's Facility Affiliation Data lists Hythem R. Zayed at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · CCN 140122
- UChicago Medicine AdventHealth La GrangeLa Grange, IL · Acute Care Hospital · CCN 140065
Practice locations
Addresses where Hythem R. Zayed is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 Remington BlvdBolingbrook, IL 60440 (630) 312‑5000
Group practices
Medicare enrollment lists Hythem R. Zayed as a member of this group (CMS data updated 2026-10-02).
- Advance Inpatient Medicine LLC42 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Bolingbrook
Clinicians with the same Medicare primary specialty in Bolingbrook, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225217748 |
| 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