Quick answers
- Which hospitals does William C. Park work at?
- Medicare's official clinician data lists William C. Park at 1 hospital: Presence Mercy Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William C. Park see patients?
- Medicare's clinician data lists 1 practice location in Aurora, IL. Call before your visit to confirm the address.
- What is William C. Park's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does William C. Park accept Medicare assignment?
- Yes. Medicare's clinician data says William C. Park 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 C. Park?
- (630) 897-5104, as listed in official Medicare / NPI Registry data.
- What is William C. Park's NPI number?
- 1942458237. 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 C. Park works
Medicare's Facility Affiliation Data lists William C. Park at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Presence Mercy Medical CenterAurora, IL · Acute Care Hospital · CCN 140174
Practice locations
Addresses where William C. Park is enrolled with Medicare (CMS data updated 2026-10-02).
- 1300 N Highland Ave, Suite 1Aurora, IL 60506 (630) 897‑5104
Group practices
Medicare enrollment lists William C. Park as a member of this group (CMS data updated 2026-10-02).
- Aurora Eye Clinic Ltd8 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Aurora
Clinicians with the same Medicare primary specialty in Aurora, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942458237 |
| 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