Summary

Dr. Lewis received her undergraduate degree from Boston College and medical degree from Georgetown University School of Medicine. She completed her residency in Internal Medicine at Georgetown University Hospital where she remained to complete her fellowship training in Pulmonary Disease, Critical Care and Sleep Medicine. She is Board Certified in Pulmonary Disease, Sleep Medicine and Critical Care Medicine, a fellow of the American College of Chest Physicians, a diplomat of the American Academy of Sleep Medicine, and a member of the Society of Critical Care Medicine. In her previous position at the Washington Hospital Center she won the Nurses' Choice Physician Collaboration Award. Dr. Lewis has a special interest in Sleep Medicine and also has extensive experience in Critical Care Medicine. Dr. Lewis is Medical Director of the Intensive Care Unit at Virginia Hospital Center. Dr. Lewis enjoys the role of physician-educator as it applies to teaching physicians-in-training as well as her patients.
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Quick Facts

  • 4.2
  • 42 years of experience
  • speaks English, Spanish
  • Georgetown University Medical Center
  • 1 written review
  • 3 specialties
  • 5 areas of expertise
  • 3 board certifications
  • 7 hospital affiliations
  • 2 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Mary-Margaret Lewis has 2 locations

Virginia Hospital Center

1701 N George Mason DrArlington, VA 22205
Mon12:00 am - 12:00 pm
Tue12:00 am - 12:00 pm
Wed12:00 am - 12:00 pm
Thu12:00 am - 12:00 pm
Fri12:00 am - 12:00 pm
Sat12:00 am - 12:00 pm
Sun12:00 am - 12:00 pm

Inova Fairfax Hospital

3300 Gallows RdFalls Church, VA 22042

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Dr. Mary-Margaret Lewis, MDDr. Suyoung Tina ChangDr. Lisa Kathleen FitzpatrickDr. Devasena Gnanashanmugam
Critical Care MedicineAllergy & ImmunologyInfectious DiseasePediatrics
4.2 
42 Years of Experience 24 Years of Experience 34 Years of Experience 29 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Arlington , VABethesda , MDWashington , DCPalo Alto , CA
Med School: Georgetown University School Of Medicine Med School: University Of Rochester School Of Medicine & Dentistry Med School: University Of Missouri-Kansas City School Of Medicine Med School: M S Ramaiah Medical College
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Insurance Plans Accepted by Dr. Mary-Margaret Lewis

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Mary-Margaret Lewis has the following 3 specialties

Specialty Expertise

Dr. Mary-Margaret Lewis has the following 5 areas of expertise

  • Asthma
  • Critical Care
  • Insomnia
  • Internal Medicine
  • Sleep Medicine

Certifications, License, & Education

42 Years Experience

Dr. Mary-Margaret Lewis holds an active medical license in the states of Virginia, Maryland, and District Of Columbia.

Medical License

Medical Doctor with an active medical license in the state of Virginia that expires in 2026, an active medical license in the state of Maryland that expires in 2026, and an active medical license in the state of District Of Columbia that expires in 2026.

Education & Training

Residency

Completed their residency at Georgetown University Medical Center.

Medical School

Graduated from Georgetown University School Of Medicine in 1995 and Georgetown University School Of Medicine in 1984.

NPI Number

Dr. Lewis' NPI number is 1487645750.

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Frequently Asked Questions

Is Dr. Mary-Margaret Lewis accepting new patients?
Dr. Mary-Margaret Lewis has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. Mary-Margaret Lewis's office located?
Dr. Mary-Margaret Lewis's office is located at 1701 N George Mason Dr, Arlington, VA, 22205.
Does Dr. Mary-Margaret Lewis accept virtual/telehealth appointments?
Dr. Mary-Margaret Lewis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Mary-Margaret Lewis speak?
Dr. Mary-Margaret Lewis speaks English and Spanish.
Does Dr. Mary-Margaret Lewis accept my insurance?
You can see the insurance plans that Dr. Mary-Margaret Lewis accepts on their Vitals profile.

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