Quick answers
- Which hospitals does William Kosmala work at?
- Medicare's official clinician data lists William Kosmala at 4 hospitals: Northwestern Medicine Central Dupage Hospital, Palos Community Hospital, Silver Cross Hospital and Medical Centers and The University of Chicago Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Kosmala see patients?
- Medicare's clinician data lists 6 practice locations, including Orland Park, IL, Palos Heights, IL and Arlington Heights, IL. Call before your visit to confirm the address.
- What is William Kosmala's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does William Kosmala accept Medicare assignment?
- Yes. Medicare's clinician data says William Kosmala 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.
- Does William Kosmala offer telehealth?
- Medicare's clinician data says William Kosmala offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William Kosmala?
- (708) 425-9456, as listed in official Medicare / NPI Registry data.
- What is William Kosmala's NPI number?
- 1760442511. 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 Kosmala works
Medicare's Facility Affiliation Data lists William Kosmala at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · CCN 140213
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · CCN 140088
Practice locations
Addresses where William Kosmala is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 10754 W 167th StOrland Park, IL 60467 (708) 425‑9456
- 10758 W 167th StOrland Park, IL 60467 (708) 361‑4778
- 12251 S 80th AvePalos Heights, IL 60463 (708) 923‑4000
- 1415 S Arlington Heights RdArlington Heights, IL 60005
- 7340 W College DrPalos Heights, IL 60463 (708) 361‑3233
Group practices
Medicare enrollment lists William Kosmala as a member of this group (CMS data updated 2026-10-02).
- Illinois Gastroenterology Group LLC115 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Orland Park
Clinicians with the same Medicare primary specialty in Orland Park, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1760442511 |
| 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