Inova Primary Care - Fair Oaks
3650 Joseph Siewick Dr Ste 400 Fairfax, VA 22033
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Phone: 703-391-2020
Fax: 703-391-1211
Sun Closed
Mon 8:00AM-5:00PM
Tue 8:00AM-5:00PM
Wed 8:00AM-5:00PM
Thu 8:00AM-5:00PM
Fri 8:00AM-5:00PM
Sat 8:00AM-12:00PM

Whether you need a routine check-up, have a specific health concern, or are seeking guidance on maintaining a healthy lifestyle, we are here to support you. Our team works closely in coordination with Inova's extensive network of hospitals and outpatient facilities.

Inova Primary Care – Fair Oaks has proudly served the Northern Virginia community since 1971, providing trusted, high-quality healthcare for individuals and families at every stage of life.

Our team of board-certified physicians and advanced practice providers is dedicated to delivering personalized care tailored to your unique needs. Whether you're coming in for a routine check-up, managing a chronic condition, or exploring specialized services, we’re here to support your health journey with expertise, compassion, and a commitment to excellence.

Sandra Ratterman, MD
Sandra L. Ratterman, 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
Family Medicine
Years of Experience
33
Allison Jiongo, FNP
Allison M. Jiongo, 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
Rose Alldredge-Brown, PA
Rose A. Alldredge-Brown, 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
Clinical Interests
Primary Care
Caitlyn Mulcahy, FNP
Caitlyn E. Mulcahy, 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
Primary Care
Marjorie Hermes, MD
Marjorie A. Hermes, 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
Family Medicine
Years of Experience
38
Andrew Bazemore, MD
Andrew W. Bazemore, 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
Family Medicine
Years of Experience
29
Kevin Edinborough, MD
Kevin A. Edinborough, 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
Family Medicine, Sports Medicine
Years of Experience
7
Rachel Spiotto, PA
Rachel A. Spiotto, 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
Clinical Interests
Primary Care
Victoria Merkel, MD
Victoria L. Merkel, 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
Family Medicine
Years of Experience
45
Susan Burroughs, MD
Susan H. Burroughs, 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
Family Medicine
Clinical Interests
Concussion, General Medicine, General Pediatrics, Primary Care, Women's Health
Years of Experience
41
Nana Apedoe, DNP, NP
Nana E. Apedoe, DNP, 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
Clinical Interests
Primary Care
Alison Huffstetler, MD
Alison N. Huffstetler, 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
Family Medicine
Years of Experience
11
Christine Lee, MD
Christine H. Lee, 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
Family Medicine
Years of Experience
23
Francis O'Connor, MD
Francis G. O'Connor, 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
Family Medicine, Sports Medicine
Years of Experience
41
Maura Sughrue, MD
Maura J. Sughrue, 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
Family Medicine
Years of Experience
47
Mark Franke, MD
Mark E. Franke, 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
Emergency Medicine
Years of Experience
33
Charles Fencil, MD
Charles R. Fencil, 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
Family Medicine
Years of Experience
6
Katya De La Torre, DO
Katya K. De La Torre, DO

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 Medicine
Years of Experience
6
Amy Nobu, MD
Amy Y. Nobu, 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
Family Medicine
Years of Experience
40
Gracia North, DNP, FNP
Gracia N. North, DNP, 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
Primary Care
Terence McCormally, MD
Terence J. McCormally, 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
Family Medicine, Geriatric Medicine
Years of Experience
48
Janet Stopa, FNP
Janet C. Stopa, 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
Aubrey Massmann, DO
Aubrey Massmann, DO

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 Medicine
Years of Experience
5
Kathleen Langan, MD
Kathleen M. Langan, 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
Family Medicine
Years of Experience
15
Kendall Hancock, MD
Kendall S. Hancock, 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
Family Medicine
Years of Experience
9
Thomas Ehrlich, MD
Thomas P. Ehrlich, 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
Family Medicine
Years of Experience
36
Timothy Yu, MD
Timothy J. Yu, 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
Sports Medicine, Family Medicine
Years of Experience
15
Kathrin Wilkowski, MD
Kathrin S. Wilkowski, 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
Family Medicine
Years of Experience
9
Lee Blecher, MD
Lee I. Blecher, 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
Family Medicine
Clinical Interests
Women's Health
Years of Experience
28
Kathryn Hare, MD
Kathryn W. Hare, 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
Family Medicine
Years of Experience
20
Camille Roy, MD
Camille A. Roy, 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
Family Medicine
Years of Experience
29
Vishwas Patel, DO
Vishwas C. Patel, DO

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
Sports Medicine, Family Medicine
Clinical Interests
Ankle Problems/Surgery and Treatments, Arthritis, Back Pain, Concussion, Elbow Problems/Surgery and Treatments
Years of Experience
8
Evangelia Tsapos, DO
Evangelia E. Tsapos, DO

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 Medicine, Family Medicine
Years of Experience
9
Daniel Hermes, MD
Daniel J. Hermes, 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
Emergency Medicine
Years of Experience
36
Marc Childress, MD
Marc A. Childress, 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
Family Medicine, Sports Medicine
Years of Experience
24
Heba Elzawahry, MD
Heba K. Elzawahry, 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
Family Medicine, Geriatric Medicine
Years of Experience
21
Suzan Shibla, DNP, FNP
Suzan E. Shibla, DNP, 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
Nurse Practitioner
Clinical Interests
Primary Care
Amanda Tran, PA
Amanda G. Tran, 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
Daniel Merenstein, MD
Daniel J. Merenstein, 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
Family Medicine
Years of Experience
29

Robert Phillips, MD
Robert L. Phillips, 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
Family Medicine
Years of Experience
31
Anna Crutchfield, MD
Anna L. Crutchfield, 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
Sports Medicine, Family Medicine
Clinical Interests
Arthritis, Children's Sports Injuries, General Pediatrics, Sports Injuries, Women's Health
Years of Experience
10
Alexander Krist, MD
Alexander H. Krist, 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
Family Medicine
Years of Experience
30
Jeremy Spinks, MD
Jeremy G. Spinks, 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
Emergency Medicine
Years of Experience
22
David Murray, MD
David T. Murray, 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
Family Medicine, Hospice and Palliative Medicine
Years of Experience
6
Matthew Harlan, MD
Matthew S. Harlan, 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
Family Medicine
Years of Experience
7
Samuel Jones, MD
Samuel M. Jones, 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
Family Medicine
Years of Experience
47