Our Team


Your care is coordinated at one of the largest Cardiovascular and Thoracic programs in the Inland Empire at Dignity Health – St. Bernardine Medical Center.

Beyond our office visits, the teams’ expertise extends to two dedicated cardiovascular surgical suites for open heart and thoracic procedures. There is also a state-of-the-art hybrid operating room for complex cardiac and vascular procedures.

Together, our team performs many procedures such as:

  • Coronary Artery Bypass Grafting - CABG
  • Heart Valve Repair or Replacement Surgery
  • MAZE Procedure
  • Transcatheter Aortic Valve Replacement - TAVR
  • Minimally Invasive Thoracic Surgery 

Cardiothoracic Surgery Team

When it comes to heart, lung, and vascular team, experience matters, and that is what we offer to all our patients. 


Dr. Ali Mir Wasif

Mir Wasif Ali, M.D., FACS

Cardiovascular and Thoracic Surgery

Certifications: American Board of Surgery, and American Board of Thoracic Surgery






Dr. Hasaniya Nahidh

Nahidh Hasaniya, M.D., Ph.D., FACS, FACC, FCCP

Cardiothoracic Surgery

Certifications: American Board of Surgery, American Board of Thoracic Surgery, and American Board of Congenital Heart Surgery





Dr. Michio Kajitani

Michio Kajitani, M.D., Ph.D.

Cardiovascular and Thoracic Surgery

Certifications: American Board of Surgery, and American Board of Thoracic Surgery






Dr. Daniel Rothstein

Daniel Rothstein, PA-C

Cardiothoracic Surgical Physician Assistant






Dr. William Schlegal

William Schlegal, PA-C

Cardiothoracic Surgical Physician Assistant






Dr. Jonathan Stobaugh

Jonathan Stobaugh, PA-C

Cardiothoracic Surgical Physician Assistant





Dr. Heather Witmer

Heather Whitmer, PA-C

Cardiothoracic Surgical Physician Assistant