Dr. Mark Stephen Parrella, MD

Dr. Parrella practices at St. David's South Austin Medical Center in Austin, Texas, part of HCA Healthcare.

Dr. Parrella's NPI, 1093851123, was assigned on January 29, 2007. Dr. Parrella graduated from Georgetown University School Of Medicine in 2002. Dr. Parrella holds Texas license N7156.

Dr. Parrella's primary practice is St. David's South Austin Medical Center, at 901 West Ben White Blvd, Austin, TX 78704 in Travis County. The practice phone is (512) 448-7107.

Dr. Parrella's primary practice is St. David's South Austin Medical Center in Austin, Texas, part of HCA Healthcare. Dr. Parrella is also affiliated with St. David's Medical Center. The medical group on file is OrthoLoneStar. Dmand AI also links Dr. Parrella to 1 more hospital, 5 home health agencies 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. Parrella practices, 9 sites in all. Vendor and product names are available with a free account.

Orthopaedic trauma is Dr. Parrella's primary specialty in the NPI Registry, under taxonomy code 207XX0801X. Dr. Parrella is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Parrella's licenses on file in 4 states: Texas, Arizona, Tennessee and Pennsylvania.

Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, back and neck pain treatment without fusion, broken or dislocated ankle/ or foot, bursitis, hip replacement, joint pain and knee fracture and dislocation among the conditions Dr. Parrella treats.

CMS data shows 913 Medicare services from Dr. Parrella across 19 procedure codes in 2024, for 297 Medicare patients. Medicare paid $169,047 for them.

CMS counts 297 Medicare patients who saw Dr. Parrella in 2024. The largest group is 75 to 84, with 119 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.71, 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. Parrella's median patient age at 71, with 64% women.

In 2024, Dr. Parrella wrote 144 Medicare Part D claims for 89 patients. 99% of them were for generic drugs. CMS names the drug for 109 of them, across 3 drugs with 11 or more claims each, at $1,045 in total drug cost. In 2023, CMS named 73 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Parrella for performance year 2024, reported individually. Dr. Parrella accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 19 procedures of removal of tissue by Dr. Parrella, more than 68% of the clinicians it reports for that procedure.

Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 2 papers to Dr. Parrella. Dr. Parrella's most frequent co-authors are Neil Sudhir Kumar, MD, Rakesh P. Mashru, MD and James A. Tom, MD.

CMS Open Payments shows 206 general payments to Dr. Parrella from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 38% of the total. Smith & Nephew, Inc. paid the most, $15,025.

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

Dr. Parrella graduated from Georgetown University School Of Medicine in 2002.

Dr. Parrella is in network with 20 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.