Address
3620 Joseph Siewick Drive
Suite 100
Fairfax, Virginia 22033
(703) 810-5223 PHONE
(703) 810-5403
Patient Forms
Physicians
- Alexander S. Croog, MD
- Robert M. Dombrowski, MD
- H. Edward Lane III, MD
- Keith Lawhorn, MD
- Mark R. McMahon, MD
- David J. Novak, MD
- Tushar Ch. Patel, MD
- Brantley P. Vitek, Jr., MD
Manager
- Neil Uppal
Physician Assistants
- Jami Fano, PA-C
- Ryan Fitzmorris, PA-C
- Abbi Garringer, PA-C
- Patrick Matheny, PA-C
- Mary E. Zempolich, PA-C
Workers’ Compensation Coordinator
![]()
Fair Oaks Office
Enter the address you will be driving from and Google Maps will tell you how to get here!

Commonwealth physicians from the Fairfax office.
Pictured left to right:









































