Dr. Marcin Tomasz Gornisiewicz, MD

Dr. Gornisiewicz practices at The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical.

Dr. Gornisiewicz's NPI, 1285729145, was assigned on October 4, 2006. Dr. Gornisiewicz holds Tennessee license 36593.

Dr. Gornisiewicz's primary practice is The University of Tennessee Medical Center, at 1924 Alcoa Highway, Knoxville, TN 37920 in Knox County. The practice phone is (865) 305-9000.

Dr. Gornisiewicz's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. Dr. Gornisiewicz is also affiliated with Methodist Medical Center of Oak Ridge. The medical group on file is Rheumatology Consultants. Dmand AI also links Dr. Gornisiewicz 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. Gornisiewicz practices, 4 sites in all. Vendor and product names are available with a free account.

Rheumatology is Dr. Gornisiewicz's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Gornisiewicz is licensed in Tennessee.

CMS data shows 59,034 Medicare services from Dr. Gornisiewicz across 19 procedure codes in 2024, for 321 Medicare patients. Medicare paid $1,014,244 for them. Every service was in an office.

CMS counts 321 Medicare patients who saw Dr. Gornisiewicz in 2024. The largest group is 65 to 74, with 159 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Gornisiewicz's median patient age at 67, with 73% women.

In 2024, Dr. Gornisiewicz wrote 2,118 Medicare Part D claims for 406 patients. 83% of them were for generic drugs. CMS names the drug for 2,003 of them, across 28 drugs with 11 or more claims each, at $1,278,894 in total drug cost. In 2023, CMS named 2,249 claims across 28 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Gornisiewicz for performance year 2024, reported as part of a group. Dr. Gornisiewicz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 586 general payments to Dr. Gornisiewicz from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $3,538.