Dawnyel Himes

Co-Founder – Mad Peaches

“If you can dream it, we can most likely do it,” says Dawnyel Himes, laserist, visionary and co-founder Mad Peaches MedSpa in Denver. “In today’s world, no one has time for cosmetic surgery, but everyone wants real, rapid results. Why go under the knife when we can accomplish many of the same results minimally and non-invasively?”



  • Laser Safety Officer Certification: LIA, License R-12-1-1438
  • Certification of Medical Aesthetic Lasers
  • Comprehensive Laser Plus Education
  • Certification of DNA Lasers: Quanta
  • Certificate of Training: Sciton
  • Certification of Training: E-Matrix
  • Certification of Training: Palomar
  • Chemical Peel Certification: Rhonda Allison
  • Certification of Training with Duet Light Sheer: Lumenis


Stephen A. Goldstein, MD FACS

Medical Director

Bioidentical Hormone Replacement Therapy Expert

Medical Director of Mad Peaches, Dr. Goldstein has also Founded Vitali-T Medical Clinics on one central belief – That no man or woman should have to suffer needlessly at the hands of hormone imbalances.

Stephen A. Goldstein was born in Spartanburg, South Carolina and raised in Nashville, Tennessee. He was awarded an academic scholarship to the University of Tampa, receiving a B.S. degree in chemistry and was a recipient of the Borden Academic Prize. He did research at Chicago Argonne National Laboratory in biochemistry and biophysics.

He received his M.D. from the University of Tennessee College of Medicine and completed his General Surgery and Plastic Surgery Residency at Brown University in Providence, Rhone Island. Stephen Goldstein received an additional year of fellowship training in the field of micro vascular and hand surgery at the University of Pittsburg.

In 1985, Stephen Goldstein moved to Denver and established a private practice specializing in plastic, reconstructive and cosmetic surgery. Dr. Stephen Goldstein is a fellow of the American College for Surgeons and is board certified by the

American Board of Plastic Surgery. He has written academic articles in the field of plastic and cosmetic surgery and was a Clinical Instructor at the University of Colorado Department of Plastic Surgery. He is an active member of numerous professional societies including the highly esteemed (ASAPS) American Society for Aesthetic Plastic Surgery. Botox® Cosmetic has listed Stephen Goldstein as a member of it’s prestigious National Education Faculty. Dr. Stephen Goldstein serves as a plastic surgery consultant for Sound Surgical Technologies, the creator of LipoSelelctionSM by VASER® and trains other surgeons both nationally and international on the liposelection technique.

Stephen A. Goldstein firmly believes in continuing education and attends numerous professional meeting and conference yearly to remain in touch with the latest technological advances. Dr. Stephen Goldstein’s experience, professionalism, and unsurpassed results provide him with the makings he needs to embark on the success of Vitali-T Medical Clinics, helping you take back your life and achieve Energy, Vitality and Balance!

Kassandra Neff-Castellanos, RN, BSN

Registered Nurse Injector & Certified Laser Specialist

Registered Nurse & Certified Laser Specialist

We are excited to announce the arrival of the newest member of the Mad Peaches MedSpa family – Kassandra Neff-Castellanos!

Kassandra received her bachelors in nursing from Columbia University, injectables and dermal fillers training from Advanced Aesthetics Incorporated as well as her laser certification from the Clear Skin Institute. She has worked with well known cosmetic dermatologists and facial plastic surgeons in New York and Denver and has truly perfected the art of natural-looking beauty.

“I have been in the industry for 3 years and pride myself on continuing education – I attend workshops and trainings as often as possible to stay up to date with the most current aesthetic practices,” says Kassandra. “My favorite part of my job is helping each individual client look and feel their confident best!”