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8110 Gatehouse Road, Falls Church, VA 22042

Inova's program is the only fully-integrated pulmonary hypertension program in the region and builds on the national reputation of Inova's Advanced Lung Disease and Transplant Programs. Under the directorship of Oksana A. Shlobin, MD, FCCP, a care team comprised of numerous medical and support experts meets weekly to review and establish treatment plans for individual patients. Our team members present at pulmonary conferences throughout the world including ISHLT, ATS, Chest, ERS, PHA annual meetings and regional programs.

For scheduling please contact: Andrea Grajeda at 703-776-6168 or by email at andrea.grajeda@inova.org.

See a list of our team's publications


Dr. Shlobin serves on the Accreditation and Pre-Review Accreditation committees for PHA. She is also the workforce leader for the PH Council for the Standards and Guidelines Committee of the ISHLT and served for two years as the PH Group liaison to the Program Committee for ISHLT. Lastly, Dr. Shlobin was recently elected to be a member of the Pulmonary Vascular Disease Network Oversight Committee for the ACCP.

Director, Pulmonary Hypertension Program

Oksana Shlobin, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Pulmonary Disease Clinical Interests: Lung Problems and Treatment Years of Experience: 20

Dr. Nathan had the honor of participating in the most recent World Symposium on Pulmonary Hypertension in Nice, France in 2018, where he served as the task force co-chair for the Group 3 PH committee.

Director, Advanced Lung Disease and Transplant Program

Steven Nathan, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Pulmonary Disease, Internal Medicine, Critical Care Medicine Clinical Interests: Lung Problems and Treatment Years of Experience: 38

Dr. King has recently been selected to serve as a member of the Guidelines Oversight Committee for the ACCP. Dr. King also serves as the chair of the data safety monitoring board for a NIH-sponsored study on pulmonary hypertension.

Associate Director, Pulmonary Hypertension Program

Christopher King, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Critical Care Medicine, Pulmonary Disease, Internal Medicine Years of Experience: 17

Director, Infiltrative Cardiomyopathy Program

Mitchell Psotka, MD, PhD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Cardiovascular Disease, Advanced Heart Failure and Transplant Cardiology, Internal Medicine Years of Experience: 9

Team Members

Anne Brown, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Critical Care Medicine, Pulmonary Disease Clinical Interests: Lung Problems and Treatment Years of Experience: 16

Shambhu Aryal, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Pulmonary Disease, Critical Care Medicine, Internal Medicine Years of Experience: 14

Kareem Ahmad, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Pulmonary Disease, Critical Care Medicine, Internal Medicine Years of Experience: 8

Nurse Coordinators

Johanna Coughlin

Johanna Coughlin

Shanna Guzman

Shanna Guzman

Pharmacist

Aaron Bagnola