Specializing in Skin Cancer Detection & Treatment

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Welcome to Associated Dermatologists

John C. Long Jr. M.D., your board-certified dermatologist, is dedicated to helping patients with all their skin care and dermatological needs. He is an expert at the detection and treatment of all forms of skin cancer. He also specializes in the treatment of psoriasis using the most advanced UVA narrowband, UVB equipment, and XTRAC® laser. In addition, he offers technologically advanced skin care, including such cosmetic treatment as photorejuvenation, skin tightening, and spider vein treatment and laser hair removal, Botox and Filler.

Contact us at (386) 672-3111 to learn more and schedule an appointment.

Experienced Dermatologist Serving Volusia & Flagler Counties


Associated Dermatologists has been in business for over 40 years and continues to provide clients with smoother, clearer skin. Our dermatologists have the knowledge and experience to help get the vibrant skin you want.

  • Certified by the American Board of Dermatology
  • Diplomat – National Board of Medical Examiners
  • Current Florida Medical License

We also maintain membership in the following organizations:

  • American Academy of Dermatology
  • Volusia and Flagler Counties Medical Association
  • Florida Medical Association
  • Florida Society of Dermatology and Dermatologic Surgery
  • Florida Society of Dermatologic Surgery
  • National Psoriasis Foundation
  • American Society for Laser Medicine and Surgery
  • American Atanas Oncology Society

Our skin care services are unrivaled, and we want to share our expertise with you. When you’re in need of a skin doctor, we are simply the best clinic available. No other company rivals our commitment to providing great patient care.​​

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