About
Dr. Joann Pfundstein brings an unusually broad clinical foundation to her internal medicine practice in Fairfax, VA. She earned her Bachelor of Science in Biology from Bucknell University in 1984, then completed a Master of Nutrition at Columbia University in 1986. She went on to earn her Doctorate of Medicine from UMDNJ - Robert Wood Johnson Medical School in 1990. Her residency in Internal Medicine followed at Duke University Medical Center. She then completed a fellowship in Infectious Diseases at the University of Maryland Medical School in 1995.
Dr. Pfundstein holds dual board certifications as a Diplomate of the American Board of Internal Medicine and a Diplomate of the American Board of Internal Medicine in Infectious Diseases. She earned election to Alpha Omega Alpha Medical Honor Society and holds fellowship in the American College of Physicians. She also completed the Bale/Doneen Method Preceptorship Course. Dr. Pfundstein is a member of the Medical Society of Northern Virginia and the Society of Hospital Medicine. She has practiced in the Fairfax community for over twenty years and holds admitting privileges at Inova Fairfax Hospital. Her clinical interests include infectious diseases, nutrition, and preventive care. She approaches every patient relationship as a genuine partnership, building individualized care plans that address prevention, chronic conditions, and acute illness alike.
Education & Training
Undergraduate
Bucknell University, B.S. Biology 1984
Medical School
UMDNJ - Robert Wood Johnson Medical School, Camden, NJ
Residency
Internal Medicine, Duke University Medical Center, Durham, NC (1991-1993)
Fellowship
Infectious Diseases, University of Maryland Medical School, Baltimore, MD (1995)
Additional Training
Columbia University, Master of Nutrition 1986
Certifications
Conditions Treated
Who is Dr. Pfundstein right for?
Dr. Pfundstein is a strong fit for adults seeking a primary care physician with deep diagnostic expertise. Patients managing chronic conditions such as hypertension, diabetes, or autoimmune issues benefit from her individualized care approach. Her Infectious Diseases fellowship makes her especially well-suited for patients with complex or recurring infectious concerns. Patients who value nutrition as part of their health plan will appreciate her graduate-level training in that area. She works well with patients who want a long-term physician relationship built on thorough communication and genuine partnership.
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Frequently Asked Questions
Dr. Pfundstein treats a wide range of conditions in internal medicine, including acute illnesses, chronic conditions, and infectious diseases. She also focuses on preventive care and wellness. Her dual board certification in both Internal Medicine and Infectious Diseases gives her a broad clinical scope.
Yes. Dr. Pfundstein holds dual board certification as a Diplomate of the American Board of Internal Medicine and a Diplomate of the American Board of Internal Medicine in Infectious Diseases. She also completed the Bale/Doneen Method Preceptorship Course.
Dr. Pfundstein completed her medical degree at UMDNJ - Robert Wood Johnson Medical School. She trained in Internal Medicine residency at Duke University Medical Center. She then completed a fellowship in Infectious Diseases at the University of Maryland Medical School.
Yes. Dr. Pfundstein earned a Master of Nutrition from Columbia University. She incorporates nutritional guidance into her preventive care and chronic disease management. This background deepens her ability to create individualized wellness plans for her patients.
Dr. Pfundstein has practiced in the Fairfax, VA community for over twenty years. She has built strong referral relationships with specialists throughout Northern Virginia during that time.
Dr. Pfundstein holds an affiliation with Inova Fairfax Hospital in Fairfax, VA.
Dr. Pfundstein holds fellowship in the American College of Physicians. She is also a member of the Medical Society of Northern Virginia and the Society of Hospital Medicine. She earned election to Alpha Omega Alpha Medical Honor Society during her medical training.
Dr. Pfundstein views medicine as a partnership between patient and physician. She builds individualized care plans for each patient. Her goal is to minimize disease impact through prevention, education, and proactive management of both acute and chronic conditions.
Doctor profile last updated April 10, 2026