Dr. Randall Carter Marx, MD

Dr. Marx practices at The Orthopaedic Surgery Center of San Antonio in San Antonio, Texas.

Dr. Marx's NPI, 1790980068, was assigned on June 18, 2007. Dr. Marx graduated from University of Miami, Miller School of Medicine in 2004. Dr. Marx holds Texas license N3168.

Dr. Marx's primary practice is The Orthopaedic Surgery Center of San Antonio, at 400 Concord Plaza Drive Suite 200, San Antonio, TX 78216. The practice phone is (210) 253-2660.

Dr. Marx's primary practice is The Orthopaedic Surgery Center of San Antonio in San Antonio, Texas. Dr. Marx is also affiliated with Baptist Medical Center. The medical group on file is TSAOG Orthopaedics & Spine. Dmand AI also links Dr. Marx to 1 more hospital 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. Marx practices, 4 sites in all. Vendor and product names are available with a free account.

Orthopaedic surgery is Dr. Marx's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Marx is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Marx is licensed in Texas.

Dmand AI lists ankle or foot injury, arthritis, broken or dislocated ankle/ or foot, bursitis, enthesopathy in arms, enthesopathy in foot or ankle, fluid in a joint and hand joint or tendon inflammation among the conditions Dr. Marx treats.

CMS data shows 3,327 Medicare services from Dr. Marx across 29 procedure codes in 2024, for 912 Medicare patients. Medicare paid $209,799 for them. Every service was in an office.

CMS counts 912 Medicare patients who saw Dr. Marx in 2024. The largest group is 65 to 74, with 419 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Marx's median patient age at 62, with 65% women.

In 2024, Dr. Marx wrote 250 Medicare Part D claims for 104 patients. 100% of them were for generic drugs. CMS names the drug for 210 of them, across 3 drugs with 11 or more claims each, at $4,363 in total drug cost. In 2023, CMS named 194 claims across 3 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Marx for performance year 2024, reported as part of a group. Dr. Marx accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marx as offering telehealth. CMS counts 13 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Marx, more than 85% of the clinicians it reports for that procedure.

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 2 papers to Dr. Marx in 2024. Dr. Marx's most frequent co-authors are Kevin Lee Kirk, DO, Mark S. Mizel, MD and Justin Robbins, MD.

CMS Open Payments shows 34 general payments to Dr. Marx from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 48% of the total. Stryker Corporation paid the most, $2,328.

Dmand AI lists 1 award for Dr. Marx, most recently CMS Stage 1 EHR in 2013.

Dr. Marx graduated from University of Miami, Miller School of Medicine in 2004.

Dr. Marx is in network with 22 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.