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 Independence Day holiday – Friday, July 4.

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

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

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

Jama Jahanyar, MD, PhD
Jama Jahanyar, MD, PhD

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Thoracic and Cardiac Surgery
Years of Experience
25
Kathleen Petro, MD
Kathleen R. Petro, MD

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Thoracic and Cardiac Surgery
Clinical Interests
Adult Heart Surgery
Years of Experience
32
Liam Ryan, MD
Liam P. Ryan, MD

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Thoracic and Cardiac Surgery
Clinical Interests
Adult Heart Surgery
Years of Experience
23
Eric Sarin, MD
Eric L. Sarin, MD

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Thoracic and Cardiac Surgery
Clinical Interests
Adult Heart Surgery
Years of Experience
27
Ramesh Singh, MD
Ramesh Singh, MD

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Thoracic and Cardiac Surgery
Clinical Interests
Adult Heart Surgery
Years of Experience
25
Alan Speir, MD
Alan M. Speir, MD

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Thoracic and Cardiac Surgery
Clinical Interests
Adult Heart Surgery
Years of Experience
50
Daniel Tang, MD
Daniel G. Tang, MD

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Thoracic and Cardiac Surgery, Surgery
Years of Experience
26

Pediatric Cardiac Surgeons

Lucas Collazo, MD
Lucas R. Collazo, MD

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Thoracic and Cardiac Surgery, Congenital Cardiac Surgery
Clinical Interests
Children's Heart, Children's Heart Surgery
Years of Experience
36

Advanced Practice Providers

Sandra Bobba, FNP
Sandra L. Bobba, FNP

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Family Nurse Practitioner
Haena Bryant, FNP
Haena C. Bryant, FNP

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Family Nurse Practitioner
Liana Chen, FNP
Liana Chen, FNP

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Family Nurse Practitioner
Clinical Interests
Asthma, Diet Counseling, Physicals, Preventive Disease Care
Elizabeth Gill, PA
Elizabeth A. Gill, PA

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Physician Assistant
Natalie Grieb, FNP
Natalie M. Grieb, FNP

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Family Nurse Practitioner
Kathryn Jolda, FNP
Kathryn Jolda, FNP

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Family Nurse Practitioner
Jamie Keith, NP
Jamie T. Keith, NP

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Nurse Practitioner
Yanbei Zhao, NP
Yanbei Zhao, NP

Inova providers are Inova's premier primary care and specialty physicians and providers, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records. 

Specialty
Nurse Practitioner