Your Med Spa Providers Tri Valley Plastic Surgery

Tri Valley Plastic Surgery

At Tri Valley Plastic Surgery, we recognize the importance of having the right team to care for you and your cosmetic and reconstructive needs. We are extremely proud of the dedication, commitment, and care we provide. We look forward to meeting with you to discuss your plastic surgery needs.

Eva Adanna Williams, MD, MPH, MS

Tri Valley Plastic Surgery Aesthetic Fellow

We are thrilled to welcome Dr. Eva Williams (no relation to Dr. Steven Williams!) as our new Tri Valley Aesthetic Fellow. Dr. Eva received her Doctor of Medicine and Master of Public Health
from the University of Miami, and just completed a six-year residency at the USC Keck School of Medicine, one of the most prestigious plastic surgery residency programs in the country.

Prior to medical school, Dr. Eva received her MS in Anatomy from Tulane, and BA in International Comparative Studies with a minor in Chemistry from Duke. Dr. Eva’s rich academic background informs her deep expertise in facial aesthetics and minimally invasive procedures.

Dr. Eva is passionate about helping people on their self-improvement journey, bringing her artistic touch and surgical precision to the Med Spa. She specializes in neurotoxins, dermal fillers, and laser facials. Book with Dr. Eva today to work with one of the most talented new plastic surgeons. She is available for both Med Spa appointments and surgeries starting July 1.

@evawilliamsmd

Pooja Kachhia, PA-C

Board Certified Physician Associate

Pooja Kachhia is a board-certified physician associate with a Master of Physician Assistant Studies from University of the Pacific. She has over five years of experience in primary and urgent care in both California and New Zealand. Her strong foundation in general practice and experience with Botox treatment for migraines have shaped her clinical precision and eye for detail—skills that naturally extend into the field of aesthetic medicine

She specializes in individualized aesthetic treatments, including neurotoxins, dermal fillers, laser treatments, and other advanced modalities. She is committed to staying at the forefront of the field through ongoing education and hands-on training in the latest techniques and innovations.

Additionally, she collaborates closely with Dr. Williams and Dr. Wasicek to support patients both intraoperatively and postoperatively. Her ultimate goal is to help each patient feel confident and empowered in their skin.

@PoojaAestheticsPA

McKenzie Dixon, PA-C

Board Certified Physician Associate

McKenzie Dixon is a board-certified physician associate with a Master of Physician Assistant Studies from Samuel Merritt University. She has a strong foundation in fertility medicine, where she developed a compassionate, patient-centered approach that she now applies in aesthetic care.

Specializing in dermal fillers, neurotoxins, and non-surgical skin rejuvenation, McKenzie is dedicated to achieving natural, beautiful results. She stays current with the latest advancements in aesthetics through ongoing training, ensuring her treatments are safe, precise, and tailored to each patient’s needs.

McKenzie works closely with Dr. Williams, Dr. Wasicek, and the surgical team, assisting intraoperatively and providing pre- and post-operative care. Her comprehensive approach ensures continuity of care at every stage, helping patients feel confident and supported throughout their aesthetic journey.

@skinandscalpelpa

Denise Leon, RN

Registered Nurse

Denise Leon is a Registered Nurse with 8+ years of experience in aesthetics. She specializes in dermal fillers, neurotoxins, laser treatments, skin resurfacing, and other modalities to rejuvenate the face and body. She continuously attends training and education regarding the newest and safest techniques in the aesthetic medical field.

Furthermore, she is also one of the pre-op/PACU nurses at our surgery center and clinic. She assists Dr. Williams with in-office procedures and post-operative visits.

Denise is a skilled and compassionate nurse who will help you find the best avenue for your aesthetic goals.

@denisern.aesthetics