LOCAL HEALTHCARE PROVIDERS
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116 providers
Availability last updated 01/01/2026
Julie Edween, DO
Surgeon
120 S Spalding Drive #205
Beverly Hills, CA 90212
William Rivera, MD
Surgeon
15248 11th St
Victorville, CA 92395
Atul Madan, MD
Surgeon
10573 W Pico Blvd Pmb 859
Los Angeles, CA 90064
William Rivera, MD
Surgeon
13777 Air Expressway Blvd
Victorville, CA 92394
William Rivera, MD
Surgeon
18144 Highway 18
Suite 130
Apple Valley, CA 92307
William Rivera, MD
Surgeon
18300 Highway 18
Apple Valley, CA 92307
William Rivera, MD
Surgeon
18400 U.S. Highway 18 Suite B
Apple Valley, CA 92307
About Dr. Fischer
Trevan Fischer, MD, FACS, specializes in complex general surgical oncology and is certified by the American Board of Surgery. Dr. Fischer is an experienced surgeon who offers patients in Santa Monica, Los Angeles and Orange, California, the latest surgical techniques to help in the battle against cancer. His thorough understanding of the nature of cancer allows him to perform complex surgeries that help him diagnose and treat a number of conditions, including melanoma, other skin cancers, and soft tissue sarcomas.
Outside of his practice, Dr. Fischer continually strives to stay on top of the latest techniques in treating cancer, and he is actively involved with innovative clinical trials at The Angeles Clinic and Research Institute, a Cedars-Sinai affiliate. He also involved in continuing training the next generation of surgical oncologist as faculty member of Cedars Complex General Surgical Oncology Fellowship program. Cedars-Sinai is consistently ranked among the nation’s top hospitals, recognized for pioneering research, advanced technology, and world-class patient care—providing an unparalleled environment for cancer innovation and collaboration.
Dr. Fischer began his medical career at the University of Oklahoma in Oklahoma City, where he earned his medical degree in 2008. He completed his general surgery residency at the University of Florida in Gainesville in 2015, serving as chief resident from 2014-2015. In 2015, Dr. Fischer became a fellow at the John Wayne Cancer Institute, where he completed two years of specialized surgical oncology training.
To continue his education, Dr. Fischer is a member of the Society of Surgical Oncology, the American College of Surgeons, and the American Medical Association.
Over the course of his career, Dr. Fischer’s involvement in research and clinical trials has led to numerous articles, papers, and presentations in peer-reviewed publications and at national conferences.
Dr. Fischer is constantly exploring new ways to gain the upper hand on cancer through state-of-the-art surgical techniques and brings this experience to the Southern California area. He also accepts patients across all of Southern California, including Bakersfield, San Luis Obispo and Palm Springs.
Dr. Fischer has continued his practice in Orange County and sees patients at Providence St. Joseph.
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Dr. Trevan Fischer, MD
Surgeon
11800 Wilshire Blvd
Los Angeles, CA 90025
Francis Essien, MD, FACS, is a board-certified general surgeon and fellowship trained in minimally invasive and bariatric surgery.
Dr. Essien's zeal for the art and science of medicine and surgery began as a teenager at the University of Ibadan in Nigeria.
An interest in providing excellent patient care brought Dr. Essien to the United States to pursue a natural calling in the surgical specialty.
Passionate about cutting-edge, advanced, minimally invasive, and robotic surgical technology, Dr. Essien’s knowledge and expertise give patients the advantage of a faster recovery.
The surgeon’s more cosmetic approach also offers less pain and a quicker return to a happier and more productive lifestyle.
Dr. Essien is highly skilled in various procedures, most frequently performing laparoscopic surgery for severe gastroesophageal reflux disease, laparoscopic hernia repairs, hiatal hernia repairs, minimally invasive endocrine surgery, laparoscopic adrenalectomy, and laparoscopic colon resections for benign and malignant conditions.
Dr. Essien also performs laparoscopic sleeve gastrectomy, laparoscopic gastric bypass, and revision bariatric procedures.
With a passion for Bariatric surgery, Dr. Essien helps patients achieve their goals of a healthier weight while eliminating the medical illnesses associated with excessive weight and enjoying a better quality of life.
Dr. Essien believes in an individualized and holistic approach to improving the health and wellness of patients.
Outside of caring for patients, Dr. Essien enjoys spending time with family at home, cooking, traveling, cycling, and playing golf.
Dr. Francis Essien, MD
Surgeon
31537 Rancho Pueblo Road
Suite 202
Temecula, CA 92592
I am Dr. Kaylene Barrera, and it my absolute pleasure to be a surgeon in this community. I grew up in Southern California and got interested in Medicine when I was young. My mother had initially wanted to be a social worker, but then went back to school to become a nurse and would ask me to help her study by quizzing her with flashcards.
This led me to college at the University of California, Irvine and medical school at the University of Southern California, where I was fortunate to work with some amazing mentors that inspired me to go into surgery. My surgical training continued at the State University of New York, Downstate in Brooklyn where I trained at county and university hospitals. Again, I was blessed to have the most amazing mentors that taught me not only the technical aspects of surgery but the importance of dedication to our patients. I appreciated how as a surgeon, one could be involved in every aspect of a patient's care, contribute to scientific breakthroughs and be a patient advocate. Sharing what I have learned and experienced as a surgeon, I have published 9 peer reviewed publications, 33 national presentations, and four book chapters. I also have written about impact of meaningful issues such as drug shortage and the opioid epidemic, as these have a profound impact on my patients lives.
Thank you for choosing Murrieta Valley Surgery Associates, looking forward to the opportunity to help you in your wellness journey
Dr. Kaylene Barrera, MD
Surgeon
31537 Rancho Pueblo Road
Suite 202
Temecula, CA 92592
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