Physician

Jaewoo Pak, M.D.

According to 2025 Medicare claims, Jaewoo Pak, M.D. (NPI: 1962567321) practices internal medicine in the Anaheim-Santa Ana-Irvine, CA market, with the plurality of this provider's patient population coming from Orange, CA. This provider's primary affiliated billing organization is STEMS PRP, INC (NPI: 1083283741) and primary practice location at 92832-1725.

Pak's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 225 traditional Medicare patients, billed 49,167 HCPCS/CPT codes, and received $1,776,517 in Medicare payments. The top billing code was 99213 (Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more). Part D data shows 384 prescription claims across 90 beneficiaries totaling $33,290 in drug costs, led by Januvia (Sitagliptin Phosphate). DME data shows 17 claims. Open Payments data shows 3 records totaling $67. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have moved from a higher plateau to a lower plateau, from $46,140 to $33,290. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.