Quick answers
- Which hospitals does William J. Sarantos work at?
- Medicare's official clinician data lists William J. Sarantos at 5 hospitals: AMITA Health Resurrection Medical Center, Elmhurst Memorial Hospital, Loyola Gottlieb Memorial Hospital, Loyola University Medical Center and Rush Oak Park Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William J. Sarantos see patients?
- Medicare's clinician data lists 2 practice locations, including Northlake, IL and River Forest, IL. Call before your visit to confirm the address.
- What is William J. Sarantos's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
- Does William J. Sarantos accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Sarantos 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 William J. Sarantos?
- (708) 562-0040, as listed in official Medicare / NPI Registry data.
- What is William J. Sarantos's NPI number?
- 1023192671. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William J. Sarantos works
Medicare's Facility Affiliation Data lists William J. Sarantos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AMITA Health Resurrection Medical CenterChicago, IL · Acute Care Hospital · CCN 140117
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · CCN 140200
- Loyola Gottlieb Memorial HospitalMelrose Park, IL · Acute Care Hospital · CCN 140008
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · CCN 140276
- Rush Oak Park HospitalOak Park, IL · Acute Care Hospital · CCN 140063
Practice locations
Addresses where William J. Sarantos is enrolled with Medicare (CMS data updated 2026-10-02).
- 480 N Wolf RdNorthlake, IL 60164 (708) 562‑0040
- 7353 N AveRiver Forest, IL 60305 (708) 771‑6611
Specialties
- Internal Medicineprimary
- Geriatric Medicinealso
Other internal medicine doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023192671 |
| 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