Southern California
Breast, Body & Intimate Care
Fellowship-Trained Cosmetic Surgeon. Awake Surgery Expert. Upland, CA.
About Dr. Diaz
A female surgeon who truly understands what women want.
Dr. Maria Diaz is Southern California's premier fellowship-trained female cosmetic surgeon, an awake surgery pioneer, and a specialist in breast, body, and intimate care. She combines surgical precision with a deep understanding of her patients' goals to deliver natural, transformative results.
Meet Dr. DiazProcedures
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Fellowship-Trained Cosmetic Surgeon
Why Choose Dr. Diaz?
Fellowship-Trained Cosmetic Surgeon
Advanced fellowship training focused on cosmetic and aesthetic surgery.
Diplomate, American Board of Cosmetic Surgery
A professional credential reflecting focused cosmetic surgery education, training, and experience.
Diplomate, American Board of Facial Cosmetic Surgery
A professional credential highlighting advanced training in aesthetic procedures of the face and neck.
Patient Stories
Real Results, Real People
"Simply THE BEST Dr. there is. I had Lipo 360 with Renuvion and a BBL. Dr. Diaz has set an example and raised the bar of how medicine should be practiced… with compassion, professionalism, being personable, available and knowledgeable all while being an absolute artist. I would NEVER think about going anywhere else. The staff is sooooo nice! Thank you Dr Diaz you literally changed my life."
— Roger
Verified Patient
Our Specialty
Awake Procedures — No General Anesthesia
Dr. Diaz is one of Southern California's leading pioneers in awake cosmetic surgery. Using tumescent local anesthesia, patients remain comfortable and conscious — eliminating the risks of general anesthesia and enabling faster recovery.
Learn About Awake SurgeryNo General Anesthesia
Faster Recovery
Lower Risk
Real-Time Results
Education & Insights
From the Blog
Ready to Begin?
Schedule Your Free Consultation
Take the first step toward your transformation. In-person and virtual consultations available.