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8110 Gatehouse Road, Falls Church, VA 22042


Cystic Fibrosis team

Pictured Left to Right:

Back row: Melissa Bowen, RN; Quynh La, RRT; Quyen Duong, RRT; Dr. Kate Gibson; Elizabeth Davies-Wellborn, LMSW; Dr. Anju Singhal

Front row: Meg Fregoso, NP; Dr. A. Whitney Brown; Lauren Marinak, NP, Shannon Spada, RDN; Bri O’Berry, DPT.


Primary Team Members

  • Whitney Brown, MD, CF Program Director, Pulmonologist
  • Anju Singhal, MD, CF Associate Program Director, Pulmonologist
  • Christopher King, MD, CF Associate Program Director, Pulmonologist
  • Melissa Bowen, RN, BSN, MPH, CF Program Coordinator
  • Elizabeth Davies-Wellborn, LCSW, CF Social Worker
  • Shannon Spada, RDN, CF Dietician


Respiratory and Physical Therapists

  • Gina Collins, RRT, CF Respiratory Therapist
  • Quyen Duong, RRT, CF Respiratory Therapist
  • Quynh La, RRT, CF Respiratory Therapist
  • Bri O'Berry, DPT, CF Physical Therapist

Inpatient Care Team

Supporting Team Members

  • Steve Nathan, MD, Medical Director of Advanced Lung Disease and Transplant Program
  • Oksana Shlobin, MD, Pulmonologist
  • Jessica Chun, NP, Post-lung Transplant Nurse Practitioner
  • Michelle Schreffler, RN, BSN, Nurse Coordinator
  • Patricia Jackson, RN, BSN, Nurse Coordinator
  • Adam Cochrane, Pharm D, Pharmacist
  • Sejal Thanna, MD, Infectious Disease Physician