David Magner, MD
Colorectal Surgeon
14850 Roscoe Blvd
Panorama City, CA 91402
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114 providers
Availability last updated 11/14/2025
David Magner, MD
Colorectal Surgeon
14850 Roscoe Blvd
Panorama City, CA 91402
Dr. Samuel Kashani, MD
Surgeon
16133 Ventura Blvd
Unit 415
Encino, CA 91436
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
16661 Ventura Blvd.
Suite 408
Encino, CA 91436
Navrose Grewal, MD
Surgeon
3650 South St Ste 206
Lakewood, CA 90712
Nojan Toomari, DO
Surgeon
5353 Balboa Blvd.
Suite 300
Encino, CA 91316
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.
Dr. Trevan Fischer, MD
Surgeon
2151 N Harbor Blvd
Ste. 3200
Fullerton, CA 92835
Dr. Gergis Ghobrial, MD
Surgeon
101 Valencia Mesa Drive
Fullerton, CA 92835
Nojan Toomari, DO
Surgeon
18133 Ventura Blvd. #400
Tarzana, CA 91356
Nojan Toomari, DO
Surgeon
18321 Clark Street
Tarzana, CA 91356
Walid Arnaout, MD
Surgeon
18250 Roscoe Blvd
Ste 220
Northridge, CA 91325
Nojan Toomari, DO
Surgeon
18330 Roscoe Blvd.
Northridge, CA 91325
Mercedeh Baghai, MD
Surgeon
3711 Long Beach Blvd #101
Long Beach, CA 90807
Jessica Rayhanabad, MD
Surgeon
3711 Long Beach Blvd #101
Long Beach, CA 90807
Quang Vo, MD
Surgeon
2501 E Chapman Ave Ste 200
Fullerton, CA 92832
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