Dr. Willis Ko, MD

Dr. Ko practices at Fairview Heights Medical Group SC in Saint Louis, Missouri.

Dr. Ko's NPI, 1215465307, was assigned on June 1, 2017. Dr. Ko holds Illinois license 036171090.

Dr. Ko's primary practice is Fairview Heights Medical Group SC, at 670 Mason Ridge Center Dr, Saint Louis, MO 63141 in Saint Louis County. The practice phone is (314) 996-7644.

Dr. Ko's primary practice is Fairview Heights Medical Group SC in Saint Louis, Missouri. Dr. Ko is also affiliated with Barnes-Jewish Hospital. The medical group on file is SSM Health Medical Group. Dmand AI also links Dr. Ko to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ko practices, 6 sites in all. Vendor and product names are available with a free account.

Interventional cardiology is Dr. Ko's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dmand AI has Dr. Ko's licenses on file in 3 states: Illinois, Missouri and Pennsylvania.

CMS data shows 170 Medicare services from Dr. Ko across 8 procedure codes in 2024, for 128 Medicare patients. Medicare paid $7,311 for them.

CMS counts 128 Medicare patients who saw Dr. Ko in 2024. The largest group is 75 to 84, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ko's median patient age at 72, with 52% women.

In 2024, Dr. Ko wrote 275 Medicare Part D claims for 116 patients. 86% of them were for generic drugs. CMS names the drug for 183 of them, across 6 drugs with 11 or more claims each, at $8,870 in total drug cost. In 2023, CMS named 88 claims across 3 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Ko for performance year 2024, reported through an alternative payment model (APM). Dr. Ko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of coronary angioplasty and stenting by Dr. Ko, more than 35% of the clinicians it reports for that procedure.

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 3 papers to Dr. Ko, published from 2020 to 2023. 2020 was the busiest year, with 2. Dr. Ko's most frequent co-authors are Geoffrey W. Bergman, MD, Xuming Dai, MD, PhD and Erin Mills Iannacone, MD.

CMS Open Payments shows 76 general payments to Dr. Ko from 22 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 86% of the total. Abbott Laboratories paid the most, $722.