Rex C. Haydon

Rex Haydon practices at The University of Chicago Medical Center in Chicago, Illinois.

Rex Haydon's NPI, 1881759611, was assigned on December 22, 2006. Rex Haydon graduated from University of Chicago, Pritzker School of Medicine in 1996. Rex Haydon holds Illinois license 036104992.

Rex Haydon's primary practice is The University of Chicago Medical Center, at 5841 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.

Rex Haydon's primary practice is The University of Chicago Medical Center in Chicago, Illinois. Rex Haydon is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians. Dmand AI also links Rex Haydon to 1 more hospital and 1 medical group, each named with a free account.

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

Orthopaedic surgery is Rex Haydon's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Rex Haydon is licensed in Illinois.

CMS data shows 155 Medicare services from Rex Haydon across 3 procedure codes in 2024, all of them office visits, for 93 Medicare patients. Medicare paid $6,975 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 93 Medicare patients who saw Rex Haydon in 2024. The largest group is 65 to 74, with 47 patients. 71% of them have high blood pressure, and 70% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Rex Haydon's median patient age at 60, with 60% women.

In 2024, Rex Haydon wrote 53 Medicare Part D claims for 25 patients. 100% of them were for generic drugs. CMS names the drug for 39 of them, across 3 drugs with 11 or more claims each, at $461 in total drug cost. In 2021, CMS named 32 claims across 2 drugs.

Rex Haydon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Rex Haydon as offering telehealth.

Dmand AI links 117 papers to Rex Haydon, published from 2010 to 2025. 2023 was the busiest year, with 11. The most frequent topics are Cell Differentiation, Cell Proliferation and HEK293 Cells. Rex Haydon has published most often in Genes Dis. Rex Haydon's most frequent co-authors are Hue H. Luu, Russell R. Reid and Lewis L. Shi, MD.

CMS Open Payments shows 4 general payments to Rex Haydon from 4 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 79% of the total. Musculoskeletal Transplant Foundation Inc. paid the most, $550.

Rex Haydon graduated from University of Chicago, Pritzker School of Medicine in 1996.