Dr. Mari Contreras

PhD - Pac

A native of Scottsdale, Arizona, Mari Contreras, PhD, PA-C, is proud to serve the greater Scottsdale community at Fresh Start Aesthetics Med Spa. Mari has been in the medical field for 20 years, specializing in nonsurgical cosmetic medicine, and she has more than 15 years of experience in injectable and laser cosmetics. She’s a firm believer in getting dramatic results safely, naturally, and through the least invasive means possible.
She continually educates herself on innovations in skin care and nonsurgical cosmetic procedures, and she is proud to offer top-of-the-line, state-of-the-art treatment options to her patients. Part of her guiding philosophy is that life-changing cosmetic results shouldn’t come at the expense of your health or comfort, and she’s excited to see that technology is catching up.
As a certified physician’s assistant with a master’s degree in medical science and physician assistant studies from Northern Arizona University, Mari’s background in medicine informs every aspect of her work at Fresh Start Aesthetics Med Spa. She believes that looking your best is a matter of health and wellbeing, so she strives to help you fit cosmetic treatments into a wider plan for self-care. She will listen to your needs, wishes, and concerns while developing your customized treatment plan, and she will keep your best interests in mind while employing a holistic, multifaceted approach.
Mari spent more than half a decade developing her own FDA-approved, pharmaceutical grade skincare line, drawing on her undergraduate education in microbiology and chemistry. Fresh Start Aesthetics skincare products use stem cell technology to transform your skin and are an excellent supplement to the full range of expertly delivered cosmetic procedures available at Mari’s practice. She is excited to help you look and feel your best.

Tammy Pierson

RN - Nurse Injector

Tammy moved to the valley from the Midwest in 2019. She holds a current license in nursing with an MSN from Webster University in St. Louis; a BSN from the University of Missouri – St. Louis; along with a BA in Business. She has been a Registered Nurse for 25 years and her background spans multiple areas of women’s services both inpatient and outpatient.

Tammy has always had an interest in skin care and injectables including IV therapy. Along with advanced training and apprenticing under Dr. Mari Contreras PhD, PA-C, joining the Fresh Start Aesthetic team has been very rewarding. She provides each client with personal assistance and customizes their care while fulfilling their personal needs, inside and out.

Savannah Miller

Medical Esthetician & Laser Technician

Lead aesthetician at Fresh Start Aesthetics Med Spa, Savannah is originally from Southern California but raised in Scottsdale Arizona. She is a licensed aesthetician and laser technician that graduated from Penrose Academy with Presidents honor roll. Savannah is the most passionate about result driven treatments and skincare. Specializing in Subnovi Plasma Pen and RF microneedling. Loves all things skin and can’t wait to curate a specialized treatment plan for all her clients.

Erin Geringer

Medical Esthetician & Laser Technician

Born and raised in the suburbs of Chicago, Erin Geringer has called Scottsdale, Arizona home since 2015. Graduating from Penrose Academy, Erin is a licensed Aesthetician and Certified Laser Technician. She joined the team at Fresh Start Aesthetics Med Spa in 2021 where she performs a variety of treatments that are results-driven. Erin is committed to providing the highest level of care and professional service in all aesthetics and laser services. Outside the treatment room, Erin enjoys spending time with her family, which includes watching her two children participate in a variety of sports activities.