Dr. Frederick P Lillis MD Internist

Dr. Frederick Lillis is an internist in Leesburg, Virginia and is affiliated with Inova Loudoun Hospital. He received his medical degree from George Washington University School of Medicine and Health Sciences and has been in practice for 48 years. He is one of 27 doctors at Inova Loudoun Hospital who specialize in Internal Medicine.

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Office Location

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Specialty & Clinical Interests

Internist: General Internal Medicine

Hospital Affiliation

Inova Loudoun Hospital

Education & Medical Training

George Washington University
Residency, Internal Medicine, 1966 - 1967

George Washington University
Residency, Internal Medicine, 1969 - 1971

University of Utah
Residency, Internal Medicine, 1971 - 1972

George Washington University School of Medicine and Health Sciences
Class of 1966

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS North Carolina BlueOptions PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • Lifewise Health Plan of Oregon
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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