Dr. Jason Reid Wellen, MD

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

Dr. Wellen's NPI, 1134331382, was assigned on May 3, 2007. Dr. Wellen holds Missouri license 2007008872.

Dr. Wellen'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. Wellen also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.

Dr. Wellen's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Wellen is also affiliated with Missouri Baptist Medical Center. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Wellen to 1 more hospital and 1 home health agency, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wellen practices, 4 sites in all. Vendor and product names are available with a free account.

Transplant surgery is Dr. Wellen's primary specialty in the NPI Registry, under taxonomy code 204F00000X. Dr. Wellen is licensed in Missouri.

CMS data shows 35 Medicare services from Dr. Wellen across 2 procedure codes in 2024, for 34 Medicare patients. Medicare paid $34,028 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 34 Medicare patients who saw Dr. Wellen in 2024. The largest group is under 65, with 18 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 9.87, 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. Wellen's median patient age at 64, with 45% women.

In 2024, Dr. Wellen wrote 178 Medicare Part D claims for 16 patients. 90% of them were for generic drugs. CMS names the drug for 99 of them, across 3 drugs with 11 or more claims each, at $1,742 in total drug cost. In 2022, CMS named 19 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Wellen for performance year 2024, reported as part of a group. Dr. Wellen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 64 papers to Dr. Wellen, published from 2010 to 2025. 2023 was the busiest year, with 7. The most frequent topics are Kidney Transplantation, Graft Survival and Tissue Donors. Dr. Wellen has published most often in Am J Transplant. Dr. Wellen's most frequent co-authors are Tarek Alhamad, MD, Krista L. Lentine, MD, PhD and Yiing Lin, MD.

Dmand AI links Dr. Wellen to 2 clinical trials. Conditions studied include Cholangiocarcinoma and Adenocarcinoma.

CMS Open Payments shows 914 general payments to Dr. Wellen from 14 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 47% of the total. Sanofi and Genzyme US Companies paid the most, $262,973.