Dr. Michael Todd was born in San Francisco, California. He grew up in Salt Lake City, Utah, and graduated from the University of Utah with a degree in Chemistry and a minor in Japanese. He also attended medical school at the University of Utah. Dr. Todd did his internship in Internal Medicine as well as his residency in Dermatology at the Penn State Hershey Medical Center in Hershey, PA. Following residency, he elected to pursue subspecialty training in skin cancer and Mohs micrographic surgery, and completed a fellowship at the Geisinger Medical Center in Danville, PA.

Dr. Todd is board certified by the American Board of Dermatology. Other society memberships include the American Academy of Dermatology and the American college of Mohs Surgery.

Dr. Todd and his wife have six children. When he is not busy performing Mohs surgery, he enjoys running, photography, tennis, and sports with his children. One of his favorite activities is skiing in the mountains of Utah.



University of Utah School of Medicine, Salt Lake City, Utah; 1995-99.


Internal Medicine, Penn State University, Hershey Medical Center, Hershey, PA; 1999-2000.


Dermatology, Penn State University, Hershey Medical Center, Hershey, PA; 2000-03.


Mohs Micrographic Surgery and Cutaneous Oncology, Geisinger Medical Center, Danville, PA; 2003-04.


  • Mohs micrographic surgery
  • Dermatologic surgery
  • Skin cancer surveillance


  • Todd MM, Marks VJ. Surgical reconstruction of the neck. In Flaps and Grafts in Dermatologic Surgery, Ed. By Rohrer T, Cook J, Hguyen T. Saunders, 2008.
  • Hollenbeak CS, Todd MM, Billingsley EM, Harper G, Dyer AM, Lengerich EJ. Increased incidence of melanoma in renal transplantation recipients.
  • Cancer. 2005 Nov1;104(9):1962-7.
    Todd MM, Lee JW, Marks VJ. Rapid toluidine blue stain for Mohs micrographic surgery. Dermatologic Surgery. 2005 Feb;31(2):244-5.
  • Marks VJ, Hutchison R, Todd M. Service excellence in dermatology. Serminars in Cutaneous Medicine and Surgery. 2004 Sep;23(3):207-212.
  • Todd MM, Ammirati CT, Billingsley EM, Miller JJ, Helm KF. Multiple hyperkeratotice nodules on the arms. Archives of Dermatology. 2003; 139:1363-1368.
  • Todd MM, Miller JJ, Ammirati CT. Dermatologic surgery training in residency. Dermatologic Surgery. 2002;28:1-4.
  • Todd MM. Leishmaniasis and trypanosomiasis self-evaluation questions. Journal of the American Academy of Dermatology. 2002;46:801-6.
  • Todd MM, Rallis TM, Gerwels JW, Hata TR. A comparison of 3 lasers and liquid nitrogen in the treatment of solar lentigines: a randomized, controlled, comparative trial. Archives of Dermatology. 2000;136:841-846.
  • Anderson JL, King GH, Thomson MJ, Todd MM, Bair T, Muhlestein JB, Carlquist JF. A Mutation in the Methylenetetrahydrofolate Reductase Gene is not associated with Increased Risk for Coronary Artery Disease or Myocardial Infarction. Journal of the American College of Cardiology. 1997;30:1206-11.


Dr. Katherine Mercy is a board-certified dermatologist and a fellowship trained Mohs surgeon. She was born and raised in Chicago and completed her undergraduate degree at the University of Notre Dame. She later graduated with honors from Georgetown University School of Medicine and was inducted into the Alpha Omega Alpha Honor Society. She then completed residencies in both pediatrics and dermatology at Northwestern/McGaw Medical Center and served as chief resident in her final year. Finally, she completed a fellowship in Mohs micrographic surgery and dermatologic oncology at the University of Iowa where she received extensive training in the management of high risk tumors and in facial reconstruction. She is a member of the American College of Mohs Surgery, the American Society for Dermatologic Surgery and of the American Academy of Dermatology. In her free time, she enjoys visiting family, participating in CrossFit, traveling and following the Chicago Cubs.

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Georgetown University School of Medicine, Washington DC, 2004-2008


Pediatrics Residency, Northwestern/McGaw Medical Center, Chicago, IL, 2008-2011

Dermatology Residency, Northwestern/McGaw Medical Center, Chicago, IL, 2013-2016


Mohs Micrographic Surgery and Cutaneous Oncology, University of Iowa, Iowa City, IA, 2016-2017


  • Mercy KM,Gordon KB, Paller AS. Patient satisfaction and quality of life in psoriasis and psoriatic arthritis. JAMA. 2014 Dec 24-31;312(24):2676-7.
  • Mercy KM, Paller AS. The relationship between obesity and psoriasis in the pediatric population: implications and future directions. Cutis. 2013 Sep;92(3):107-9.
  • Mercy K, Kwasny M, Cordoro KM, Menter A, Tom WL, Korman N, Belazarian L, Armstrong AW, Levy ML, Paller AS. Clinical manifestations of pediatric psoriasis: results of a multicenter study in the United States. Pediatr Dermatol. 2013 Jul-Aug;30(4):424-8.
  • Paller AS, Mercy K, Kwasny MJ, Choon SE, Cordoro KM, Girolomoni G, Menter A, Tom WL, Mahoney AM, Oostveen AM, Seyger MM. Association of pediatric psoriasis severity with excess and central adiposity: an international cross-sectional study. JAMA Dermatol. 2013 Feb;149(2):166-7.
  • Mercy KM, Chamlin SL. A 13-year-old girl with recurrent localized bruising and hemorrhagic skin papules. Pediatr Ann. 2013 Jan; 42(1):5-7.
  • Mercy K, Paller AS. Practice gaps. Prescribing patterns by dermatologists and primary care providers for pediatric psoriasis: comment on “Trends in pediatric psoriasis outpatient health care delivery in the  United States”. Arch Dermatol. 2012 Jan;148(1):71-2.


Michael Fraykor was born in Perth Amboy, New Jersey. He grew up in Buckingham County, Virginia and graduated from Virginia Commonwealth University with a Bachelors of Science degree in biology. While living in Richmond, he worked at the Medical College of Virginia doing medical research in the field of cardiac surgery. Following his studies in Richmond, he moved to New York to continue his medical education.

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Mr. Fraykor graduated with honors from the Physician Assistant Program at Touro College in Bay Shore, New York. After graduation, he chose to pursue a career in dermatology with an emphasis in the diagnosis and treatment of skin cancer and now has more than 10 years of experience working with Dr.Todd.

When he is not in the office, Mr. Fraykor prefers being with his family and being outdoors. Fishing on the Cheasapeake Bay is a pastime that is a particular favorite. He and his wife, a local dentist, live in Northern Virginia.


Lindsay Smith was born in the suburbs of Chicago, Illinois though she predominantly grew up in the Hampton Roads area. After high school, she attended the University of Virginia and graduated with a Bachelor of Science in Nursing. From there, she began her nursing career working in the Stepdown and ICU environments.

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She later chose to further her education and earned a Master of Science in Nursing from Georgetown University. As a nurse practitioner, Lindsay has focused her career on dermatology with a special interest in pigmented lesions, including atypical moles and melanoma. She is board-certified by the American Nurses Credentialing Center and is a member of both the American Association of Nurse Practitioners and the Virginia Council of Nurse Practitioners.

In her spare time, Lindsay considers herself an avid sports fan and can often be found cheering on UVA and the Chicago Bears. She also enjoys hanging out with her husband, their two sons and two dogs in Northern Virginia.


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