Quick answers
- Where does Grant D. Aaker see patients?
- Medicare's clinician data lists 1 practice location in Lacey, WA. Call before your visit to confirm the address.
- What is Grant D. Aaker's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Grant D. Aaker accept Medicare assignment?
- Yes. Medicare's clinician data says Grant D. Aaker 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 Grant D. Aaker?
- (360) 456-3200, as listed in official Medicare / NPI Registry data.
- What is Grant D. Aaker's NPI number?
- 1770872988. 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 Grant D. Aaker is enrolled with Medicare (CMS data updated 2026-10-02).
- 345 College St SE, Suite CLacey, WA 98503 (360) 456‑3200
Group practices
Medicare enrollment lists Grant D. Aaker as a member of this group (CMS data updated 2026-10-02).
- Eye Physicians of Olympia Inc PS13 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Lacey
Clinicians with the same Medicare primary specialty in Lacey, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770872988 |
| 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