Dr. Greg C. Flaker, MD

Dr. Flaker practices at University Hospital (MU Health Care) in Columbia, Missouri.

Dr. Flaker's NPI, 1851342299, was assigned on May 12, 2006. Dr. Flaker graduated from University of Missouri, Columbia School of Medicine in 1976. Dr. Flaker holds Missouri license R8297.

Dr. Flaker's primary practice is University Hospital (MU Health Care), at 1 Hospital Dr, Columbia, MO 65201 in Boone County. The practice phone is (573) 882-4141.

Dr. Flaker's primary practice is University Hospital (MU Health Care) in Columbia, Missouri. Dr. Flaker is also affiliated with University Hospital. The medical group on file is University of Missouri Health Care. Dmand AI also links Dr. Flaker to 4 more hospitals and 1 group practice or clinic, each named with a free account.

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

Clinical cardiac electrophysiology is Dr. Flaker's primary specialty in the NPI Registry, under taxonomy code 207RC0001X. Dr. Flaker is licensed in Missouri.

CMS data shows 1,833 Medicare services from Dr. Flaker across 8 procedure codes in 2024, for 1,259 Medicare patients. Medicare paid $38,992 for them.

CMS counts 1,259 Medicare patients who saw Dr. Flaker in 2024. The largest group is 65 to 74, with 453 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.91, 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. Flaker's median patient age at 71, with 52% women.

In 2024, Dr. Flaker wrote 2,356 Medicare Part D claims for 227 patients. 76% of them were for generic drugs. CMS names the drug for 2,108 of them, across 40 drugs with 11 or more claims each, at $582,612 in total drug cost. In 2023, CMS named 2,014 claims across 46 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Flaker for performance year 2024, reported as part of a group. Dr. Flaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 51 papers to Dr. Flaker, published from 2003 to 2023. 2015 was the busiest year, with 5. The most frequent topics are Atrial Fibrillation, Anticoagulants and Warfarin. Dr. Flaker has published most often in Am Heart J. Dr. Flaker's most frequent co-authors are John H. Alexander, Scott M. Koerber, DO and Anand Chockalingam, MD.

CMS Open Payments shows 154 general payments to Dr. Flaker from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 40% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $5,349.

Dr. Flaker graduated from University of Missouri, Columbia School of Medicine in 1976.