Quick answers
- Which hospitals does Cory Williams work at?
- Medicare's official clinician data lists Cory Williams at 1 hospital: Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Cory Williams see patients?
- Medicare's clinician data lists 3 practice locations, including Joliet, IL, Munster, IN and Chicago, IL. Call before your visit to confirm the address.
- What is Cory Williams's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Cory Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Cory Williams 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 Cory Williams?
- (312) 554-5431, as listed in official Medicare / NPI Registry data.
- What is Cory Williams's NPI number?
- 1770125908. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cory Williams works
Medicare's Facility Affiliation Data lists Cory Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community HospitalMunster, IN · Acute Care Hospital · CCN 150125
Practice locations
Addresses where Cory Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 1225 Richards StJoliet, IL 60433 (312) 554‑5431
- 800 Macarthur Blvd, Suite 5Munster, IN 46321 (219) 392‑7025
- 9415 S Western Ave, Suite 206Chicago, IL 60643 (844) 425‑9777
Group practices
Medicare enrollment lists Cory Williams as a member of these groups (CMS data updated 2026-10-02).
- 219 Health Network Inc69 clinicians in the group
- Matrix Mental Health Ltd10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Joliet
Clinicians with the same Medicare primary specialty in Joliet, IL — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770125908 |
| 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