Our Aesthetic Providers Tri Valley Plastic Surgery

Dr. Steven Williams Founder & Lead Plastic Surgeon

Steven Williams, MD, is a board-certified Oakland plastic surgeon at Tri Valley Plastic Surgery. He leads the Tri Valley Plastic Surgery team, providing outstanding cosmetic and reconstructive plastic surgery. His education and training were exclusively completed at Ivy League institutions, including Dartmouth for college and Yale University for medical school and residency training.

About Dr. Steven Williams

Dr. Williams specializes in cosmetic surgery of the face, body, and breast. Tri Valley Plastic Surgery remains one of the busiest practices for breast augmentation and continues to be a leader in body contouring, offering patients techniques like minimally painful tummy tucks and autologous fat transfer to enhance curves in areas like the hips, buttocks, and breasts.

Dr. Steven Williams is a passionate plastic surgery professional with a decade of hands-on expertise in cosmetic and reconstructive surgery. He occupies leadership roles at the local, state, and national levels and is frequently sought for his expertise. Not only is he involved with individualized patient care, but he is also a pioneer in the greater agendas of the plastic surgery realm—even lobbying in Washington, DC, for insurance rights for breast cancer survivors.

Learn More

Education

Undergraduate with Honors in Biology – Dartmouth College
Medical Doctorate – Yale University
Six-Year Internship and Residency Training in Plastic and Reconstructive Surgery – Yale University
Trained in Advanced Cosmetic Techniques – Yale University

Organization Affiliations

Diplomate of the American Board of Plastic Surgery
American Society of Plastic Surgeons
Academic Chairman of Plastic Surgery
American Society of Aesthetic Plastic Surgery
Expert reviewer for the state of California
Board of Directors, VP of Aesthetic Surgery American Society of Plastic Surgeons
Executive Committee American Society of Plastic Surgeons

Outstanding Achievements

First unilateral DIEP breast reconstruction in Kaiser's Central Valley region
First bilateral DIEP breast reconstruction in Kaiser's Central Valley region
First microsurgical upper extremity reconstruction in Kaiser's Central Valley region
First microsurgical lower extremity reconstruction in Kaiser's Central Valley region
Started a microsurgical reconstructive program at Kaiser Permanente Diablo
Co-founder of Kaiser Permanente’s Central Valley plastic surgery department

Charity Work

Dr. Williams finds great joy in being able to use his expertise to help those in need—especially children. One of his favorite ways to give back is by working with handhelp.org to provide hand surgery to children internationally.

Hand Help

Philip Wasicek, MD

Dr. Wasicek is a gifted and experienced aesthetic expert, mentored by the past two presidents of the American Society of Plastic Surgeons. His precision, artistry, and unwavering commitment to excellence shine through in every procedure he performs.

Now practicing alongside the past president of the American Society of Plastic Surgeons, Dr. Williams, Dr. Wasicek is dedicated to ensuring patient safety and helping individuals achieve their unique goals with confidence. Known for delivering superior, natural-looking results, he specializes in facial aesthetics such as rhinoplasty and facelift procedures, as well as transformative breast and body surgeries. Dr. Wasicek is also highly skilled in the intricate field of revisionary cosmetic surgery.

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

Noor Mashal, PA-C

Board Certified Physician Associate

Noor Mashal is a board-certified physician associate with a diverse background in healthcare, including experience in Emergency Medicine at a Level II trauma center. She now serves as a plastic surgery PA, working closely with our surgeons as a first assist in surgery and assisting with in-office procedures and post-operative visits.

Noor is also a dedicated provider in the practice’s weight loss program and is completing advanced training in neurotoxins, dermal fillers, laser treatments, skin resurfacing, and other aesthetic modalities. Passionate about helping patients achieve their health and aesthetic goals, Noor combines her clinical expertise with a personalized approach to deliver exceptional results tailored to your needs.

@touchofnoor.pa

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