Quick answers
- Which hospitals does William J. Will work at?
- Medicare's official clinician data lists William J. Will at 3 hospitals: Advocate Christ Hospital & Medical Center, Franciscan Health Olympia & Chicago Heights and Silver Cross Hospital and Medical Centers. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William J. Will see patients?
- Medicare's clinician data lists 8 practice locations, including Schaumburg, IL, Tinley Park, IL and Joliet, IL. Call before your visit to confirm the address.
- What is William J. Will's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does William J. Will accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Will 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. Will?
- (630) 469-9200, as listed in official Medicare / NPI Registry data.
- What is William J. Will's NPI number?
- 1568471860. 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. Will works
Medicare's Facility Affiliation Data lists William J. Will at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · CCN 140208
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL · Acute Care Hospital · CCN 140172
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · CCN 140213
Practice locations
Addresses where William J. Will is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1325 N Meacham RdSchaumburg, IL 60173 (630) 469‑9200
- 17495 La Grange RdTinley Park, IL 60487 (708) 226‑7000
- 2100 Glenwood AveJoliet, IL 60435 (815) 725‑2121
- 2600 Compass RdGlenview, IL 60026
- 30 Stratford DrBloomingdale, IL 60108 (630) 893‑2210
Group practices
Medicare enrollment lists William J. Will as a member of these groups (CMS data updated 2026-10-02).
- Select Rehabilitation, LLC2,046 clinicians in the group
- Dupage Medical Group Ltd1,322 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Schaumburg
Clinicians with the same Medicare primary specialty in Schaumburg, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568471860 |
| 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