Dr. Christopher Thomas Boyer, DO

Dr. Boyer practices at Mercy Hospital South in Saint Louis, Missouri, part of Mercy.

Dr. Boyer's NPI, 1205109675, was assigned on February 16, 2012. Dr. Boyer holds Missouri license 2019012552.

Dr. Boyer's primary practice is Mercy Hospital South, at 10010 Kennerly Road, Saint Louis, MO 63128 in St. Louis County. The practice phone is (314) 525-1000.

Dr. Boyer's primary practice is Mercy Hospital South in Saint Louis, Missouri, part of Mercy. Dr. Boyer is also affiliated with University Hospital. The medical group on file is Mercy Clinic South Hospitalists. Dmand AI also links Dr. Boyer to 4 more medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Boyer practices, 2 sites in all. Vendor and product names are available with a free account.

Hospitalist is Dr. Boyer's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Dr. Boyer's licenses on file in 2 states: Missouri and Wisconsin.

CMS data shows 654 Medicare services from Dr. Boyer across 5 procedure codes in 2024, for 270 Medicare patients. Medicare paid $47,052 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 270 Medicare patients who saw Dr. Boyer in 2024. The largest group is 75 to 84, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.46, 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. Boyer's median patient age at 76, with 53% women.

In 2024, Dr. Boyer wrote 605 Medicare Part D claims for 255 patients. 82% of them were for generic drugs. CMS names the drug for 260 of them, across 14 drugs with 11 or more claims each, at $10,915 in total drug cost. In 2023, CMS named 343 claims across 20 drugs.

Dr. Boyer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 5 general payments to Dr. Boyer from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $86.