Meet Our Physicians
Matthew Comstock, DO, FACC, FSCAI
Dr. Comstock is best known for his expertise in Chronic Limb-Threatening Ischemia (CLTI) and advanced below-the-knee and pedal revascularization, treating patients who have often been told that amputation is inevitable. His practice emphasizes precision diagnostics, comprehensive anatomic assessment, and aggressive—but appropriate—revascularization strategies designed to restore blood flow, preserve limbs, and improve long-term outcomes.
Dr. Matthew J. Comstock is a nationally recognized Interventional Cardiologist and a leading authority in limb salvage and advanced peripheral vascular intervention. He is triple board-certified in Internal Medicine, General Cardiology, and Interventional Cardiology, with a clinical practice focused on the most complex and limb-threatening vascular disease.
In 2019, Dr. Comstock founded the Tulsa Cardiovascular Center of Excellence (TCCE)—a purpose-built outpatient revascularization and amputation-prevention center created to deliver high-acuity cardiovascular and vascular care outside the constraints of traditional hospital systems. TCCE has become a regional and national referral destination for patients with complex peripheral arterial disease, diabetic foot ischemia, and limb-threatening vascular conditions.
Dr. Comstock’s approach is data-driven, patient-specific, and outcomes-focused. He utilizes advanced techniques including intravascular imaging, atherectomy, intravascular lithotripsy, complex tibial and pedal interventions, and staged revascularization strategies—always guided by anatomy, physiology, and clinical necessity rather than protocol or volume targets.
Beyond limb salvage, Dr. Comstock provides expert care in coronary artery disease, including complex coronary intervention and comprehensive cardiovascular risk management. His practice philosophy prioritizes timely diagnosis, decisive intervention, and continuity of care, ensuring that patients are treated promptly and followed closely throughout their recovery.
At the core of Dr. Comstock’s work is a commitment to restoring function, preserving independence, and improving quality of life. He works in close collaboration with podiatrists, wound care specialists, primary care physicians, and other referring providers to deliver coordinated, compassionate, and comprehensive care—centered on the patient and grounded in clinical excellence.
John Evans, DO
Dr. John Evans is a Interventional Cardiologist and a native of Tulsa.
His clinical focus includes Peripheral Vascular and Coronary Interventions, treatment of central venous insufficiency, and the management of cardiac rhythm devices.
Dr. Evans completed his undergraduate studies at the University of Oklahoma and earned his medical degree from the Oklahoma State University College of Osteopathic Medicine. He continued his training at Oklahoma State University, completing his residency in Internal Medicine, followed by fellowships in both General Cardiology and Interventional Cardiology.
With over a decade of dedicated experience performing complex cardiovascular interventions, Dr. Evans is Board Certified by the American Osteopathic Board of Internal Medicine. He contributes both rigorous clinical expertise and a deep, ongoing commitment to advancing patient outcomes within the greater Tulsa community.
Beyond his medical practice, Dr. Evans is an avid musician and performs with a local jazz ensemble. He currently resides in Bixby with his wife, son, and their family dog.
