Quick answers
- Where does John J. Gardner see patients?
- Medicare's clinician data lists 2 practice locations, including Homer Glen, IL and Hickory Hills, IL. Call before your visit to confirm the address.
- What is John J. Gardner's specialty?
- Medicare lists Optometry as the primary specialty.
- Does John J. Gardner accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Gardner 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 John J. Gardner?
- (708) 301-3101, as listed in official Medicare / NPI Registry data.
- What is John J. Gardner's NPI number?
- 1700942539. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John J. Gardner is enrolled with Medicare (CMS data updated 2026-10-02).
- 15933 S Bell RdHomer Glen, IL 60491 (708) 301‑3101
- 9400 S Roberts RdHickory Hills, IL 60457 (708) 598‑1322
Group practices
Medicare enrollment lists John J. Gardner as a member of these groups (CMS data updated 2026-10-02).
- John J Gardner Od PC3 clinicians in the group
- Homer Glen Vision Source LLC2 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 | Ohio State University - College Of Optometry |
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700942539 |
| 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
- 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