Physician

Grant Douglas Aaker, MD

According to 2025 Medicare claims, Grant Aaker, MD (NPI: 1770872988) practices ophthalmology in the Olympia-Lacey-Tumwater, WA market, with the plurality of this provider's patient population coming from Thurston, WA. This provider's primary affiliated billing organization is EYE PHYSICIANS OF OLYMPIA INC PS (NPI: 1821165911; TIN: 910872708) and primary practice location at 98503-1014. Aaker is affiliated with the PSW ACO (ACO ID: A5323), participating under the MSSP model.

Aaker's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,548 traditional Medicare patients, billed 5,392 HCPCS/CPT codes, and received $491,960 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 1,889 prescription claims across 487 beneficiaries totaling $217,393 in drug costs, led by Restasis (Cyclosporine). 2020 DME data shows 26 claims. Open Payments data shows 15 records totaling $308. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has risen steadily, from $42,815 to $491,960. Similarly, Part D prescription costs have risen steadily, from $10,477 to $217,393. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.