Dr. Christopher Thomas Arett, MD

Dr. Arett practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.

Dr. Arett's NPI, 1972600559, was assigned on September 17, 2006. Dr. Arett graduated from Washington University School of Medicine in 2008. Dr. Arett holds Missouri license 2015031841.

Dr. Arett's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Arett also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.

Dr. Arett's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Arett is also affiliated with Missouri Baptist Medical Center. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Arett to 3 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. Arett practices, 6 sites in all. Vendor and product names are available with a free account.

Urology is Dr. Arett's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Arett is licensed in Missouri.

CMS data shows 6,623 Medicare services from Dr. Arett across 24 procedure codes in 2024, for 619 Medicare patients. Medicare paid $115,826 for them.

CMS counts 619 Medicare patients who saw Dr. Arett in 2026. The largest group is 65 to 74, with 268 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Arett's median patient age at 74, with 15% women.

In 2026, Dr. Arett wrote 1,998 Medicare Part D claims for 546 patients. 90% of them were for generic drugs. CMS names the drug for 1,884 of them, across 20 drugs with 11 or more claims each, at $128,499 in total drug cost. In 2023, CMS named 1,652 claims across 17 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Arett for performance year 2026, reported as part of a group. Dr. Arett accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Arett as offering telehealth. CMS counts 39 procedures of prostate resection by Dr. Arett, more than 95% of the clinicians it reports for that procedure.

CMS Open Payments shows 166 general payments to Dr. Arett from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Boston Scientific Corporation paid the most, $2,345.

Dr. Arett graduated from Washington University School of Medicine in 2008.