LOCAL HEALTHCARE PROVIDERS
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105 providers
Availability last updated 03/21/2026
Julie Edween, DO
Surgeon
120 S Spalding Drive #205
Beverly Hills, CA 90212
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
Nojan Toomari, DO
Surgeon
501 S Buena Vista St
Burbank, CA 91505
Dr. Samuel Kashani, MD
Surgeon
16133 Ventura Blvd
Unit 415
Encino, CA 91436
Tariq Kelker, MD
Internist
1525 3rd St # 209
Riverside, CA 92507
Nojan Toomari, DO
Surgeon
16661 Ventura Blvd.
Suite 408
Encino, CA 91436
Nojan Toomari, DO
Surgeon
5353 Balboa Blvd.
Suite 300
Encino, CA 91316
Nojan Toomari, DO
Surgeon
18133 Ventura Blvd. #400
Tarzana, CA 91356
David Magner, MD
Colorectal Surgeon
14850 Roscoe Blvd
Panorama City, CA 91402
Olivia Mac, MD, is double board certified in general surgery and surgical critical care.
Dr. Mac grew up in the suburbs of Los Angeles County and attended medical school at the Medical College of Wisconsin in Milwaukee. After medical school, she returned to California to complete her general surgery residency at Arrowhead Regional Medical Center/Kaiser Permanente Fontana and then a surgical critical care fellowship at Arrowhead Regional Medical Center.
Dr. Mac became a surgeon so that she could use her skills to help others, as surgeons in the past have helped those in her family.
In her free time outside of the office, Dr. Mac enjoys baking, playing the piano, and playing with her cats.
She looks forward to welcoming both new and returning patients to Murrieta Valley Surgery Associates.
Dr. Olivia Mac, MD
Surgeon
36320 Inland Valley Dr.
#101, #208, #301
Wildomar, CA 92595
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
36320 Inland Valley Dr.
#101, #208, #301
Wildomar, CA 92595
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