Dr. Kei Cheung Ko, MD

Dr. Ko practices at Aspirus Merrill Hospital in Merrill, Wisconsin, part of Aspirus.

Dr. Ko's NPI, 1649582768, was assigned on July 6, 2010. Dr. Ko graduated from SUNY Upstate Medical University in 2010. Dr. Ko's Texas license number on file is T9153.

Dr. Ko's primary practice is Aspirus Merrill Hospital, at 601 S Center Ave, Merrill, WI 54452 in Lincoln County. The practice phone is (715) 536-5511.

Dr. Ko's primary practice is Aspirus Merrill Hospital in Merrill, Wisconsin, part of Aspirus. Dr. Ko is also affiliated with CHRISTUS St. Michael Hospital. The medical group on file is Aspirus Merrill Hospital. Dmand AI also links Dr. Ko to 5 more hospitals and 9 medical groups, each named with a free account. Dr. Ko's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ko practices, 7 sites in all. Vendor and product names are available with a free account.

Emergency medicine is Dr. Ko's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ko is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Ko's licenses on file in 6 states: Texas, New Jersey, New York, Wisconsin, Alabama and Pennsylvania.

CMS data shows 306 Medicare services from Dr. Ko across 6 procedure codes in 2024, for 276 Medicare patients. Medicare paid $27,648 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 276 Medicare patients who saw Dr. Ko in 2024. The largest group is 65 to 74, with 105 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.92, 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 52, with 54% women.

In 2024, Dr. Ko wrote 194 Medicare Part D claims for 137 patients. 93% of them were for generic drugs. CMS names the drug for 78 of them, across 6 drugs with 11 or more claims each, at $691 in total drug cost. In 2023, CMS named 165 claims across 9 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Ko for performance year 2024, reported as part of a group. Dr. Ko accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 7 general payments to Dr. Ko from 3 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $480.

Dr. Ko graduated from SUNY Upstate Medical University in 2010.

Dr. Ko is in network with 19 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.