Dr. Oscar H. Grandas, MD

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

Dr. Grandas' NPI, 1366550014, was assigned on August 25, 2006. Dr. Grandas graduated from National University of Colombia in 1986. Dr. Grandas' Tennessee license number on file is 38851.

Dr. Grandas' 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. Grandas' primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. The medical group on file is UT Internal Medicine - Pellissippi. Dmand AI also links Dr. Grandas to 1 more group practice or clinic, named with a free account.

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

Vascular surgery is Dr. Grandas' primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Grandas is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Grandas' licenses on file in 3 states: Tennessee, Virginia and Georgia.

Dmand AI lists amputation, blood vessel access for dialysis, carotid revascularization, chronic skin ulcer, deep vein thrombosis (DVT), leg revascularization and peripheral vascular disease among the conditions Dr. Grandas treats.

CMS data shows 896 Medicare services from Dr. Grandas across 19 procedure codes in 2024, for 614 Medicare patients. Medicare paid $66,417 for them.

CMS counts 614 Medicare patients who saw Dr. Grandas in 2024. The largest group is 65 to 74, with 227 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 3.40, 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. Grandas' median patient age at 69, with 47% women.

In 2024, Dr. Grandas wrote 2,825 Medicare Part D claims for 279 patients. 93% of them were for generic drugs. CMS names the drug for 2,555 of them, across 44 drugs with 11 or more claims each, at $92,488 in total drug cost. In 2023, CMS named 2,480 claims across 45 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Grandas for performance year 2024, reported through an alternative payment model (APM). Dr. Grandas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

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 37 papers to Dr. Grandas, published from 2006 to 2021. 2012 was the busiest year, with 3. The most frequent topics are Muscle, Smooth, Vascular, Hyperplasia and Matrix Metalloproteinase 2. Dr. Grandas has published most often in J Surg Res. Dr. Grandas' most frequent co-authors are Michael Benton Freeman, MD, Mitchell H. Goldman, MD and Joshua David Arnold, MD.

Dmand AI links Dr. Grandas to 2 clinical trials. 2 are still active or recruiting. Conditions studied include Kidney Failure, Chronic and Renal Insufficiency, Chronic.

CMS Open Payments shows 89 general payments to Dr. Grandas from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 43% of the total. Medtronic Vascular, Inc. paid the most, $5,254.

Dmand AI lists 2 awards for Dr. Grandas, most recently Regional Top Doctor in 2014.

Dr. Grandas graduated from National University of Colombia in 1986. Dr. Grandas is a member of ACS, American Society Transplantation, American Society Transplant Surgeons and SVS.

Dr. Grandas is in network with 20 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.