Physician

Rex C Liu, MD

According to 2025 Medicare claims, Rex Liu, MD (NPI: 1427082593) practices advanced heart failure and transplant cardiology in the Mount Vernon-Anacortes, WA market, with the plurality of this provider's patient population coming from Skagit, WA. This provider's primary affiliated billing organization is PUBLIC HOSPITAL DIST NO 1 SKAGIT (NPI: 1023332749; TIN: 562392010) and primary practice location at 98274-4100. Liu is affiliated with the Cascadia Care Network LLC (ACO ID: A3731) and PSW ACO (ACO ID: A5323), participating under the MSSP model.

Liu's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,808 traditional Medicare patients, billed 3,883 HCPCS/CPT codes, and received $136,385 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 3,511 prescription claims across 739 beneficiaries totaling $1,229,615 in drug costs, led by Entresto (Sacubitril/Valsartan). 2023 DME data shows 29 claims. Open Payments data shows 1 records totaling $38. 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 started with an early spike, then settled into a lower baseline, moving from $418,255 to $136,385. In contrast, Part D prescription costs have moved from a lower plateau to a higher plateau, from $283,855 to $1,229,615. For DME billing, this smaller-volume category started with an early spike, then settled into a lower baseline, moving from $33,334 to $9,397.