
Mark A. Hall, M.D.
Dr. Hall is a board-certified dermatologist and a member of the American Academy of Dermatology. In addition to general dermatology, his specialties include skin cancer diagnosis and skin cancer surgery, and cosmetic procedures (i.e. Botox™, Juvederm™, Restylane™, Radiesse™, and lasers). Dr. Hall has also published numerous articles in dermatology journals.
Prior to relocating to Bend in 2006, Dr. Hall served as the Chief of Dermatology, and Director of Laser and Cosmetic Dermatology at Irwin Army Community Hospital in Ft. Riley, Kansas and was Associate Professor of Dermatology for Kansas University Medical Center. In 2003, he completed a three-year dermatology residency at Walter Reed Army Medical Center, in Washington D.C. where he achieved the highest score nationally among all residents in his year group on the dermatology in-service examination. Dr. Hall earned his Doctor of Medicine from Georgetown University Medical School in 1998 after graduating Phi Beta Kappa and with Magma Cum Laude honors from Santa Clara University in 1994.
Dr. Hall enjoys skiing, golf, basketball, spending time with his family, and Oregon Duck football.

Jeffrey Renna, PA-C
Jeffrey Renna PA-C earned his B.S. from the University of Nebraska Medical Center College of Dentistry and went on to earn a Masters in Physician Assistant Studies from the A. T. Still University of Health Sciences in Mesa, Arizona. For the next four years, he worked as a Dermatology physician assistant in dermatology offices in Issaquah, Washington and Prescott, Arizona.
Jeffrey provides comprehensive medical dermatologic care in our Klamath Falls office, focusing on skin cancer diagnosis and treatment, mole checks, acne/rosacea, warts, eczema
and rashes.
An avid reader, Jeffrey enjoys experiencing nature by hiking the trails around Klamath Falls and is excited to join the Klamath Falls community.

