Dr. Thomas John Gianis II, MD

Dr. Gianis practices at Medical Vein Clinic in San Antonio, Texas.

Dr. Gianis' NPI, 1467895375, was assigned on April 10, 2013. Dr. Gianis holds Texas license T2607.

Dr. Gianis' primary practice is Medical Vein Clinic, at 622 Isom Rd, San Antonio, TX 78216 in Bexar County. The practice phone is (210) 622-8000.

Dr. Gianis' primary practice is Medical Vein Clinic in San Antonio, Texas. Dr. Gianis is also affiliated with Methodist Hospital Stone Oak. The medical group on file is Medical Vein Clinic. Dmand AI also links Dr. Gianis to 1 more group practice or clinic 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. Gianis practices, 3 sites in all. Vendor and product names are available with a free account.

Vascular surgery is Dr. Gianis' primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Gianis is licensed in Texas.

CMS data shows 364 Medicare services from Dr. Gianis across 10 procedure codes in 2024, for 198 Medicare patients. Medicare paid $26,688 for them.

CMS counts 198 Medicare patients who saw Dr. Gianis in 2024. The largest group is 65 to 74, with 85 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 3.12, 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. Gianis' median patient age at 63, with 70% women.

In 2024, Dr. Gianis wrote 111 Medicare Part D claims for 57 patients. 92% of them were for generic drugs. CMS names the drug for 64 of them, across 2 drugs with 11 or more claims each, at $654 in total drug cost. In 2023, CMS named 232 claims across 5 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Gianis for performance year 2024, reported as part of a group. Dr. Gianis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 236 procedures of varicose vein removal by Dr. Gianis, more than 92% of the clinicians it reports for that procedure.

Leg revascularization (restoring blood flow): 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 1 paper to Dr. Gianis in 2020. Dr. Gianis' most frequent co-authors are John F. Angle, MD, Margaret C. Tracci, MD and Carlin Williams, MD.

CMS Open Payments shows 118 general payments to Dr. Gianis from 27 drug and device companies from 2018 to 2025. Device or supply loans make up the largest share, 72% of the total. AngioDynamics, Inc. paid the most, $16,974.