Dr. Knapp has been providing chiropractic care in Sarasota since 1985 after graduating magna cum laude from Logan College of Chiropractic in St. Louis, MO.

He was the first to offer high power laser therapy (HILT) in Sarasota in 2006. He had been a guest faculty and Laser Therapy Research Consultant to the University of Miami Miller School of Medicine Department of Complementary and Integrative Medicine, Miami VA System Department of Rehabilitation, and Nova Southeastern University College of Health Care Sciences. He is a past research consultant to K Laser USA and LiteCure LLC. He has published 3 papers on Class 4 laser therapy and coauthored the Laser Therapy Safety and Compliance manual in 2025.

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Published Articles

Knapp, D. Postherpetic (Shingles) Neuralgia: Case Study of Class IV Laser Therapy Intervention, Clin J Pain. 2013

Knapp, D. Class IV laser therapy treatment of multifactorial lumbar stenosis with low-back and leg pain: A case study. JACA Online 2010

Knapp, D. Laser Therapy: Understanding a New Chiropractic Modality, Part I/II ACANews 2010