Cardiac Surgery Services Team | Inova

Holiday Hours

With the exception of Inova hospitals, Inova Emergency Care and Inova-GoHealth Urgent Care, all Inova outpatient offices will be closed for the Christmas and New Year's Day holidays – Wednesday, Dec. 25 and Wednesday, Jan. 1.

Some Inova care sites have additional closures for the holidays, which will be noted on the relevant location pages.

Our Team

Our board-certified and fellowship-trained surgeons have performed thousands of procedures, pioneering new treatment and recovery approaches with results rarely matched nationwide.

Inova Schar Heart and Vascular at Inova Fairfax Medical Campus, where we perform our cardiac surgeries, is a high volume cardiac center that consistently receives the highest ratings for quality and superior patient outcomes.

Eric L. Sarin, MD

Eric L. Sarin, MD

Section Chief, Adult Cardiac Surgery
Co-Director, Structural Heart and Valve Program
Co-Director, Cardiovascular Research

Alan M. Speir, MD

Alan M. Speir, MD

Director Emeritus, Cardiac Surgery
Senior Associate Director, Inova Schar Heart and Vascular
Director, ECMO Program
Director of Quality, Outcomes, and Clinical Excellence

Adult Cardiac Surgeons

Kathleen Petro, MD

Kathleen R. Petro, MD

Thoracic and Cardiac Surgery

Adult Heart Surgery

Years of Experience

31

Liam Ryan, MD

Liam P. Ryan, MD

Thoracic and Cardiac Surgery

Adult Heart Surgery

Years of Experience

22

Eric Sarin, MD

Eric L. Sarin, MD

Thoracic and Cardiac Surgery

Adult Heart Surgery

Years of Experience

26

Ramesh Singh, MD

Ramesh Singh, MD

Thoracic and Cardiac Surgery

Adult Heart Surgery

Years of Experience

24

Alan Speir, MD

Alan M. Speir, MD

Thoracic and Cardiac Surgery

Adult Heart Surgery

Years of Experience

49

Pediatric Cardiac Surgeons

Lucas Collazo, MD

Lucas R. Collazo, MD

Thoracic and Cardiac Surgery, Congenital Cardiac Surgery

Children's Heart, Children's Heart Surgery

Years of Experience

35

James St. Louis, MD

James D. St. Louis, MD

Congenital Cardiac Surgery, Thoracic and Cardiac Surgery

Years of Experience

32

Advanced Practice Providers

Liana Chen, FNP

Liana Chen, FNP

Family Nurse Practitioner

Asthma, Diet Counseling, Physicals, Preventive Disease Care