The Team
Committed to your health and healing journey
Dr Vasilev’s Team & Colleagues
Meet Your Team
From personal education, prevention and diagnosis, through surgery and personally tailored adjuvant therapies and into survivorship and proactive recurrence prevention, we are here for you. The core members of this team are Lisa Stern PA, Marisa Barber PA and Alese Barboza AA. Take some time to meet and learn about your core team and available highly experienced independent consultants
Alese Barboza AA
Administrative Assistant (all locations)You can count on Alese to help connect you with us, help secure authorizations, answer navigation questions about testing and more.
Lisa Stern PAC
Physician Assistant (Santa Monica, CA)Lisa’s personal attention to detail means you are always on-track and supported in your journey, from diagnosis through supportive care.
Marisa Barber PAC
Physician Assistant (Arroyo Grande, CA)In our Central Coast office Marisa helps guide you from prevention through diagnosis, treatment and thriving into survivorship.
Collaborative Experts, United for Your Care
Affiliated Providers & Staff
We work closely with a curated network of affiliated providers—experts in areas like pelvic floor therapy, pain management, gastroenterology, and translational research—to extend the layers of care we offer. While our in-house team sets the foundation, these specialists bring focused expertise in their respective fields so that no aspect of your health goes unexamined. This collaboration ensures that when the time comes to move toward diagnosis, treatment, or ongoing support, you benefit from a truly holistic, multidisciplinary approach.
Lauren Edwards PFPT
Pelvic Floor Physical TherapyAs an occupational therapist focused on pelvic health, Lauren Edwards blends evidence-based practice with compassionate care to address pain, incontinence, and postpartum recovery.
Ann Frost PFPT
Pelvic Floor Physical TherapyPelvic floor physical therapist since 1996, specializes in helping patients overcome chronic pain, pelvic cancer recovery, urinary issues, and sexual health concerns with compassionate, individualized care.
Dave S.B. Hoon, Ph.D.
Research (Saint John's Cancer Institute)Professor and Director of Translational Research at Saint John’s Cancer Institute, with over 30 patents and more than 475 peer-reviewed publications focused on molecular oncology and biomarker development.
Dr. Leo Treyzon
Gastroenterologist & Nutrition SpecialistBoard-certified gastroenterologist and nutrition specialist who focuses on functional digestive disorders and solving complex, often undiagnosed intestinal conditions.
Glenn Lipton MD
Pain ManagementWith expertise in both modern technology and proven techniques, Dr. Glenn Lipton develops tailored treatment plans to reduce pain and restore quality of life.
Daniel Marcus, MD
Minimally Invasive & Robotic SurgeryDr. Daniel Marcus is a leading general surgeon in Marina Del Rey and West Los Angeles that specializes in minimally invasive procedures, hernia repair, and robotic surgery.
Dr. Steven Vasilev MD
Dr. Vasilev is the only physician quadruple board certified in Ob-Gyn, Gynecologic Oncology and Integrative & Holistic Medicine in the United States. He is an accomplished world-renowned oncologic and robotic surgeon and has trained hundreds of fellows and residents.
Reach out
Have a question?
We understand that healthcare can be complex and overwhelming, and we are committed to making the process as easy and stress-free as possible.
Call Us
(424) 255-1340
Santa Monica, CA
2121 Santa Monica Blvd, Santa Monica, CA 90404
Operating Hours
9:00 am - 5:00 pm
Monday - Friday
Arroyo Grande, CA
154 Traffic Way, Arroyo Grande, CA 93420