Our Physicians Meet the Heart & Vascular Institute of Texas physicians. Board-certified or board-eligible in numerous different facets of cardiac care, our physicians have treated thousands of patients over the course of more than two decades. Gregory Buser, MD, FACC Kiran Cheruku, MD Heather Conn, ACNP Jose A. Diaz, MD, FACC Joining on 12/1/2021 Mirhassan M. Farivar, MD, FACC Juan L. Garza, MD, FACC Nandkishore Gurram, MD, FACC Kalife Kuri, MD, FACC Navin Nikam, MD Richard F. Wilks, MD, FACC E. Nicolas Pollono, MD Umang H. Shah, MD, FACC Chun Tan, MD, FACC Hector R. VillaSeñor, MD, FACC, FACP A. Landon Wellford, IV, MD, FACC, FAHA Edwin J. Whitney, MD, FACC Syed Umer, MD Samantha Salinas, MSN, APRN, FNP-C