StoneSprings Hospital Names Four

New Board Members to its Board of Trustees




Dulles, VA – (Jan.31, 2023) StoneSprings Hospital Center is pleased to announce the appointment of four new members to its board of trustees. This brings the number of board members to 10.


New board members Tarak Reddy, MD, Kasie Cassell, NP, Natasha Magrath,and Susan Mitchell bring a diverse and broad range of experience to the hospital board of trustees.


Dr. Reddy currently serves as the chief of staff for StoneSprings. He had led the hospitalist program at StoneSprings Hospital since the opening in 2015. He has since been promoted to regional medical director, US Acute Care Services, and oversees several hospitals in the Central Virginia and Southern Maryland area.


Cassell is a dual licensed board-certified women’s health nurse practitioner (WHNP) and psychiatric mental health nurse practitioner (PMHNP). She has been with Columbia Associates in Psychiatry since 2011.  For the past 16 years, Cassell has worked pioneering and developing the Transcranial Magnetic Stimulation Program for the treatment of depression.


Magrath is the president and franchise owner of You’ve Got Maids of Northern Virginia. In addition to operating her business and serving Loudoun and Western Fairfax counites, Magrath works for several nonprofit organizations, including Loudoun Habitat for Humanity, The Arc of Loudoun and Loudoun Hunger Relief.  


Mitchell is the chief executive officer of Guardians of Honor, LLC/Athari BioSciences, Inc. In addition to two decades of work providing grant management, information technology, research and evaluation, and consulting solutions that protect people, programs, and performance for government, industry and the community, Mitchell launched Athari BioSciences, Inc., a diagnostic testing, research, and training laboratory in Sterling, VA. She leads a team of doctors and scientists dedicated to positively impacting population health, product commercialization, and pipeline development.

“We are excited to have such talented and dedicated leaders join our board of trustees,” said Nathan Vooys, chief executive officer of StoneSprings Hospital Center. “I am looking forward to working with all of our board members to uphold our vision and commitment to providing exemplary, equitable patient care while helping to ensure our success as a healthcare provider for the communities we serve,” he said.

Pictured from left to right:  Valerie Walters, Executive Director, Ryan Bartel Foundation; Susan Mitchell, CEO, Guardians of Honor, LLC/Athari BioSciences, Inc.; Kasie Cassell, Nurse Practitioner, Columbia Associates of Psychiatry; Kim Adams, VP of Marketing, Brambleton Group, LLC; Natasha Magrath, President, You’ve Got Maids of Northern Virginia; Mike Rhodes, Chair, President, Stone Ridge Association, Inc.; Tarak Reddy, MD, Chief of Medical Staff, StoneSprings Hospital Center; and Nathan Vooys, CEO, StoneSprings Hospital Center

Not pictured: Tarek Abou-Ghazala, MD, Virginia Cardiovascular Group; Sangeeta Sinha, MD, StoneSprings Ob/Gyn



About StoneSprings Hospital Center


As part of the commonwealth’s most comprehensive provider network, HCA Virginia Health System, StoneSprings Hospital Center is a 234,000-square-foot, 124-bed facility providing emergency, medical, mental health, surgical, and women’s services to Loudoun and surrounding counties. StoneSprings is a Certified Primary Stroke Center. The hospital has garnered recognition for high quality patient, maternity and surgical care. StoneSprings Hospital Center is part of HCA Virginia Health System, which operates 14 hospitals, 27 outpatient centers, six freestanding emergency rooms, and is affiliated with 3,000 physicians. The private hospital system is one of Virginia's largest employers, provides $65.6 million in charity and uncompensated care, and pays $174.4 million in taxes annually. In Northern Virginia, HCA Virginia Health System hospitals include Reston Hospital Center, StoneSprings Hospital Center, and Dominion Hospital. Follow us on Facebook, Instagram, and LinkedIn.


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Released By:

StoneSprings Hospital Center
StoneSprings Hospital Center
24440 Stone Spring Blvd., Dulles, VA 20166


Suzanne Kelly
[email protected]