About Us

Meet Our Team of Highly Experienced Providers who specialize in Vascular and Interventional procedures to treat a variety of conditions. 

Our physicians diagnose and treat a variety of disease and health issues. We use minimally invasive treatment to provide timely, high quality, convenient and low cost care. Our procedures are often used in place of traditional surgery and can eliminate the need for hospitalization.

What Sets Us Apart

We perform routine screening to diagnose vascular health conditions and use our expertise to come up with the right intervention method that improves your quality of life. Here’s what makes our practice stand out from the competition:

What Sets Us Apart

Our highly specialized staff includes doctors, registered nurses, assistants,
and technicians. Here is a complete list of our providers with brief bios:

Dr. Arian Nikpour

Dr. Nikpour is an Interventional Radiologist who joined RADS, inc in 2019. He graduated with Honors from the University of California, Berkeley, with a Bachelors Degree in Molecular and Cell Biology. After completing research at Lawrence Berkeley Labs, as well as working in the biotechnology industry, he went on to obtain a Master of Public Health, with an emphasis in Epidemiology, at UCLA. He received his Medical Degree from Northeast Ohio Medical University, followed by a Surgical Internship at Stanford University. He completed Radiology Residency at the University of California, Davis, where he also served as Chief Resident. He then completed a Fellowship in Vascular and Interventional Radiology at Loma Linda University. Dr. Nikpour is board eligible in Diagnostic and Interventional Radiology.

Dr. Tony Ha

Dr. Tony Ha joined Rads, Inc. in 2017 after completing a Vascular & Interventional Radiology Fellowship at New York Presbyterian-Weill Cornell Medical Center and Memorial Sloan Kettering Cancer Center in New York, New York. Dr. Ha is Board Certified in Diagnostic Radiology, and is Board Eligible for certification in Vascular & Interventional Radiology.Dr. Ha was a Millenium Scholar at the University of California San Diego, graduating Magna Cum Laude with Provost Honors. He earned Bachelors Degrees in Biochemistry and Psychology. After completing a year of research at the University of California Davis he returned to UCSD, earning his Medical Degree in 2011. His training continued with a Surgical Internship and Radiology Residency at Harbor-UCLA Medical Center, where he served as Chief Radiology Resident in 2014.

Dr. C Ramana

Dr. C Ramana is a vascular and interventional radiologist. He has over 30 years of experience in the medical field. He earned his medical degree from Case Western Reserve University and a PhD in Physics from Yale University. He went on to complete Residency in Internal Medicine and Radiology at Metro Health Medical Center and a Fellowship in Vascular and Interventional Radiology at the Cleveland Clinic. Dr. Ramana is skilled in all aspects of vascular and interventional radiology and has a special interest in procedures related to dialysis access and interventional pain.

Dr. Marissa Toma

Dr. Marissa Toma is a vascular surgeon who earned her medical degree from Drexel University College of Medicine in Philadelphia, PA. Following medical school, she completed an Integrated Vascular Surgery Residency at Allegheny General Hospital in Pittsburgh, PA. Dr. Toma performs both open and endovascular surgeries in the following areas: peripheral arterial disease, dialysis access and varicose veins. Among these surgeries, she has a special clinical interest in peripheral arterial disease and venous disease.

Dr. David Soto

Dr. David Soto is a vascular and interventional radiologist with more than 10 years of practice experience. He completed his undergraduate degree in Biomedical Engineering at the University of Pennsylvania and completed his Medical Degree at State University of New York Downstate Medical Center. Subsequently completing his Diagnostic Radiology residency at Temple University and fellowship in Vascular and Interventional Radiology at Stanford University.

Dr. Anders Davidson

Dr. Anders Davidson is a Board Certified vascular surgeon with over 10 years of surgery experience. He earned his medical degree from Creighton University School of Medicine and went on to complete his Residency in Surgery at the University of California Davis Health and his Fellowship in Vascular Surgery at The University of Michigan. Dr. Davidson specializes in disorders relating to the arterial, venous and lymphatic systems. He currently holds privileges at David Grant Medical Center, Sacramento VA and UC Davis Medical Center.

Dr. BJ Sandhu

Dr. Barjinder Sandhu joined Rads, Inc in 2018. Originally from Houston, Texas, Dr. Sandhu completed his vascular and interventional radiology fellowship at the University of Texas Health San Antonio. He also completed his Diagnostic Radiology residency at UT Health San Antonio. He is board eligible in diagnostic and interventional radiology.

Dr. Thomas Heafner

Dr. Thomas Heafner is a Board Certified vascular surgeon with more than 10 years of surgery experience. He earned his medical degree from St. Louis University School of Medicine and went on to complete his Residency at San Antonio Military Medical Center and his Fellowship in Vascular Surgery at The Mayo Clinic. Dr. Heafner treats patients with a variety of vascular conditions including peripheral arterial disease, thoracic and abdominal aneurysms and traumatic injuries. He has a focus towards minimally invasive endovascular surgical procedures. He currently holds privileges at Dameron Hospital, David Grant Medical Center and UC Davis Medical Center.

Dr. Shaun Gifford

Dr. Shaun Gifford is a Board Certified vascular surgeon with over 10 years of surgery experience. He received his medical degree from University of Buffalo School of Medicine and went on to complete his Residency at San Antonio Military Medical Center and his Fellowship in Vascular Surgery at The Mayo Clinic. Dr. Gifford is a vascular and endovascular surgeon who specializes in disorders of the arterial and venous systems. He has a clinical interest in advanced minimally invasive procedures of the aorta and lower extremity. He currently holds privileges at David Grant Medical Center, Enloe Medical Center, Northbay Medical Center and UC Davis Medical Center.

Dr. Marissa Toma

Dr. Marissa Toma is a vascular surgeon who earned her medical degree from Drexel University College of Medicine in Philadelphia, PA. Following medical school, she completed an Integrated Vascular Surgery Residency at Allegheny General Hospital in Pittsburgh, PA. Dr. Toma performs both open and endovascular surgeries in the following areas: peripheral arterial disease, dialysis access and varicose veins. Among these surgeries, she has a special clinical interest in peripheral arterial disease and venous disease.

Dr. Thomas Heafner

Dr. Thomas Heafner is a Board Certified vascular surgeon with more than 10 years of surgery experience. He earned his medical degree from St. Louis University School of Medicine and went on to complete his Residency at San Antonio Military Medical Center and his Fellowship in Vascular Surgery at The Mayo Clinic. Dr. Heafner treats patients with a variety of vascular conditions including peripheral arterial disease, thoracic and abdominal aneurysms and traumatic injuries. He has a focus towards minimally invasive endovascular surgical procedures. He currently holds privileges at Dameron Hospital, David Grant Medical Center and UC Davis Medical Center.

Dr. Anders Davidson

Dr. Anders Davidson is a Board Certified vascular surgeon with over 10 years of surgery experience. He earned his medical degree from Creighton University School of Medicine and went on to complete his Residency in Surgery at the University of California Davis Health and his Fellowship in Vascular Surgery at The University of Michigan. Dr. Davidson specializes in disorders relating to the arterial, venous and lymphatic systems. He currently holds privileges at David Grant Medical Center, Sacramento VA and UC Davis Medical Center.

Dr. Austin Holmes:

Dr. Austin Holmes, MD is a vascular surgeon with over 6 years of experience in the medical field. He earned his medical degree from the University of California Davis Medical School. He went on to complete UC Davis Medical School to complete his Residency and Fellowship in General Surgery and Vascular Surgery. Dr. Holmes is adept at improving patient treatments, diagnosing, and treating various conditions of the vascular system. He has experience coordinating with complex, multi-specialty teams to ensure delivery of the highest quality of care and best patient outcomes. He has facilitated a wide variety of operative cases, such as EVAR, FEVAR, TCAR, vascular trauma, bypass, and complex peripheral endovascular.

Dr. Mario Sattah

Dr. Mario Sattah joined Rads, Inc. in 2006 bringing with him experience in Diagnostic, Vascular, and Interventional Radiology.Dr. Sattah graduated from Emory University in Atlanta, Georgia with a Bachelor of Science in Biology and a Bachelor of Arts in Philosophy. He continued at Emory earning his M.D. in 1994 followed by a General Surgery Internship in 1995. From 1996-2000 he completed his Diagnostic Radiology Residency through the Emory University Hospital Radiology Program. Dr. Sattah continued his Radiology education by completing a Vascular and Interventional Fellowship also at Emory University.Throughout his education and training, Dr. Sattah has achieved several honors such as being a recipient of the Dean's Scholarship and graduating Summa Cum Laude from Emory as an undergraduate. He was also a member of two prestigious honor societies, Phi Beta Kappa and Alpha Epsilon Delta.Dr. Sattah is Board Certified in Diagnostic, Vascular, and Interventional Radiology making him a valuable addition to Rads, Inc. He is currently serving as the Director of Interventional Radiology.