Quick answers
- Where does Aaron M. Janis see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Aaron M. Janis's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Aaron M. Janis accept Medicare assignment?
- Medicare's clinician data says Aaron M. Janis may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Aaron M. Janis?
- (773) 582-0660, as listed in official Medicare / NPI Registry data.
- What is Aaron M. Janis's NPI number?
- 1437228616. 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 Aaron M. Janis is enrolled with Medicare (CMS data updated 2026-10-02).
- 4256 W 63rd StChicago, IL 60629 (773) 582‑0660
Group practices
Medicare enrollment lists Aaron M. Janis as a member of this group (CMS data updated 2026-10-02).
- Charles S Kefalas Odpc2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | University Alabama Birmingham - School Of Optometry |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1437228616 |
| 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