Meet Our Staff

Our staff is employed to deliver excellent health care to you. We are proud of the work they do and realize their performance reflects on us and on the care given you.
 
 
Dermatology Associates Inc Winchester VA MariaABogaert
 

Maria A. Bogaert, MD

 
Locations:
  • Winchester, VA
  • VA-Martinsburg, WV
 
Special Interests:
  • General Dermatology
  • Skin Cancer Surgery-Sclerotherapy
 
Medical School:
  • Universidad National P.H.U.
  • Dominican Republic
 
 
Internship:
University of Miami Miami, Florida

Residency:
University of Miami Miami, Florida

Memberships:
American Academy of Dermatology

Certifications:
Board Certified American Board of Dermatology
 
 
 
Dermatology Associates Inc Winchester VA MariaABogaert
 

Frederick G. Wenzel, MD

 
Locations:
  • Winchester, VA
  • Front Royal, VA
 
Special Interests:
  • General Dermatology
  • Skin Cancer Surgery
 
 
Medical School:
Duke University School of Medicine Durham, NC

Internship:
Johns Hopkins Hospital, Baltimore, Maryland

Residency:
Johns Hopkins Hospital, Baltimore, Maryland

Certifications:
Board Certified American Board of Dermatology

Certifications:
  • American Academy of Dermatology
  • American Society for Dermatological Surgery
 
 
 
Dermatology Associates Inc Winchester VA MariaABogaert
 

Stephen H. Flax, MD

 
Locations:
  • Winchester, VA
  • Martinsburg, WV
 
Special Interests:
  • Skin Cancer
  • Dermatological Surgery
  • Cosmetic Fillers
  • Sclerotherapy
  • Botox Injections
 
 
Medical School:
Albert Einstein College of Medicine of Yeshiva University Bronx, New York

Internship:
State University of New York Health Science Center at Syracuse

Residency:
National Naval Medical Center, Bethesda, Maryland

Certifications
  • American Academy of Dermatology
  • Board Certified American Board of Dermatology
 
 
 
Dermatology Associates Inc Winchester VA MariaABogaert
 

Michael E. Mathieu, MD

 
Locations:
  • Winchester, VA
  • Martinsburg, WVA
 
Special Interests:
  • Dermatology
  • Skin Cancer
  • Pediatric Dermatology
 
 
Medical School:
Howard University Washington DC

Residencies:
Internal Medicine and Dermatology at UVA - Charlottesville VA

Fellowship:
Infectious Disease, Harvard Medical School, Boston MA.

Memberships:
  • American Academy of Dermatology
  • Medical Society of VA

Certifications:
Board Certified American Board of Dermatology American Board of Internal Medicine


 
 
 
 

Dr. Humza Ilyas

Dr. HUMZA ILYAS graduated cum laude from Penn State University, Dr. Ilyas earned his medical degree from Jefferson Medical College in Philadelphia. He then completed his internship in internal medicine at the Western Pennsylvania Hospital in Pittsburgh and his dermatology residency at Albert Einstein College of Medicine in New York City. During his final year of residency, Dr. Ilyas was awarded the honor of chief resident in dermatology. Dr. Ilyas then completed a fellowship in Mohs Surgery & Procedural Dermatology at the University of Wisconsin, where Dr. Frederic E. Mohs originally pioneered the technique for skin cancer removal.

Dr. Ilyas specializes in Mohs surgery and advanced reconstructive techniques. He also maintains an interest in both general and cosmetic dermatology. Dr. Ilyas is a diplomate of the American Board of Dermatology, a fellow of the American Academy of Dermatology, and a fellow of the American College of Mohs Surgery. He has published widely and has presented his findings at numerous medical conferences. In addition, he has written textbook chapters on nonmelanoma skin cancer for primary care physicians.

Dr. Ilyas is a native of Pittsburgh, PA. He and his wife & two daughters reside in Leesburg, Virginia and enjoy traveling, sports, and spending time with family.
 
 
 
 

Megan Armstrong, Medical Aesthetician

Megan received her Bachelor of Science degree from James Madison University. She is a board certified licensed Medical Aesthetician with over 10 years of experience in cosmetic dermatology. Megan specializes in IPL laser treatment, facial veins, rosacea, hyper pigmentation, acne scarring, microneedling, and skin rejuvenation.
Prior to joining Dermatology Associates, Megan worked at The Pennsylvania Hospital in Philadelphia Pennsylvania. She is a member of the Society of Dermatology Skin Care Specialists and the Society of Plastic Surgery Skin Care Specialists. Megan welcomes the opportunity to meet with you to develop a customized treatment plan for your skin.
 
 
 
Dermatology Associates Inc Winchester VA MariaABogaert
 

Dr. Katie Mercy CV, Mohs Surgeon coming soon August 1st