Quick answers
- Where does Grace Hashisaka see patients?
- Medicare's clinician data lists 4 practice locations, including Chicago, IL and Melrose Park, IL. Call before your visit to confirm the address.
- What is Grace Hashisaka's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Grace Hashisaka accept Medicare assignment?
- Yes. Medicare's clinician data says Grace Hashisaka 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 Grace Hashisaka?
- (773) 327-3000, as listed in official Medicare / NPI Registry data.
- What is Grace Hashisaka's NPI number?
- 1336170513. 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 Grace Hashisaka is enrolled with Medicare (CMS data updated 2026-10-02).
- 1730 W Fullerton AveChicago, IL 60614 (773) 327‑3000
- 400 W Division StChicago, IL 60610 (312) 274‑1212
- 4017 N Milwaukee AveChicago, IL 60641 (773) 545‑2660
- 904 W N AveMelrose Park, IL 60160 (708) 343‑9009
Group practices
Medicare enrollment lists Grace Hashisaka as a member of these groups (CMS data updated 2026-10-02).
- Melrose Park Eye Care LLC8 clinicians in the group
- Old Town Eye Care LLC6 clinicians in the group
- Riverpoint Eye Care LLC6 clinicians in the group
- Six Corners Eye Care, LLC5 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 |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336170513 |
| 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