Quick answers
- Which hospitals does Robert T. Williams Jr. work at?
- Medicare's official clinician data lists Robert T. Williams Jr. at 1 hospital: Loyola University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert T. Williams Jr. see patients?
- Medicare's clinician data lists 2 practice locations, including Maywood, IL and Wheaton, IL. Call before your visit to confirm the address.
- What is Robert T. Williams Jr.'s specialty?
- Medicare lists Optometry as the primary specialty.
- Does Robert T. Williams Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Robert T. Williams Jr. 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 Robert T. Williams Jr.?
- (630) 690-7115, as listed in official Medicare / NPI Registry data.
- What is Robert T. Williams Jr.'s NPI number?
- 1528032430. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert T. Williams Jr. works
Medicare's Facility Affiliation Data lists Robert T. Williams Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · CCN 140276
Practice locations
Addresses where Robert T. Williams Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 2160 S 1st AveMaywood, IL 60153
- 219 E Cole AveWheaton, IL 60187 (630) 690‑7115
Group practices
Medicare enrollment lists Robert T. Williams Jr. as a member of these groups (CMS data updated 2026-10-02).
- Loyola University Medical Center953 clinicians in the group
- Spectrios Institute for Low Vision4 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Illinois College Of Optometry At Chicago |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528032430 |
| 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