Sami Hamamji, MD
Surgeon
1100 W Stewart Drive
Orange, CA 92868
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101 providers
Availability last updated 06/11/2026
Sami Hamamji, MD
Surgeon
1100 W Stewart Drive
Orange, CA 92868
Pramod Batra, md
Surgeon
1100 W Stewart Drive
Orange, CA 92868
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
1000 W La Veta Ave
1st Floor
Orange, CA 92868
Pacific Surgical and Vein Institute, runs a state-of-the-art medical practice specializing in vascular surgery, acid reflux surgery, and general surgery, at his offices in Huntington Beach, and Anaheim, California.
With over 20 years of professional experience under his belt, he leads a friendly staff and employs cutting-edge technology to provide cosmetic and health benefits to patients dealing with varicose veins and spider veins stemming from a variety of causes.
At the practice’s warm, welcoming offices, they provide a host of innovative treatments for vascular disease, including ultrasound-guided procedures, injections, and laser treatments. Dr. Salem always takes considerable effort to minimize any scarring following medical procedures and maintains constant monitoring to evaluate the progress of his patients through recovery. They’re also highly skilled when it comes to providing surgical treatment for many other conditions, such as intestinal obstructions, lipomas, gallstones, and appendicitis.
One of the central tenets of Dr. Salem’s care is spending as much time as possible with each patient to develop individualized treatment plans and to allow time for addressing questions and concerns. Patient education is also essential and foundational to the practice’s overall approach to care, as Dr. Salem and the staff help each patient understand everything about their condition and treatment options.
If you’d like to schedule an appointment with Dr. Salem to learn more about the practice and what it can offer you, call or use the online booking tool today.
Dr. Yasser Salem, MD
Surgeon
1401 N. Tustin Ave
Ste. 350
Santa Ana , CA 92705
Donald Hastie, BC-FNP, is a highly experienced family physician at Genesis Surgery Center, with locations in Santa Ana and Foothill Ranch, California. With an impressive career spanning 25 years, Dr. Hastie has dedicated his life to providing exceptional medical care to his patients.
Dr. Hastie completed his undergraduate studies at Brigham Young University in Provo, Utah, in 1976. He then pursued further education at the University of Phoenix in Arizona, earning degrees in 1985 and 1989. His commitment to excellence in healthcare led him to the University of Utah in Salt Lake City, where he graduated in 1999.
Patients consistently praise Dr. Hastie for his extensive medical knowledge and compassionate approach. His blend of expertise and empathy makes him a trusted and beloved physician in his community. Whether you're seeking routine family care or specialized treatment, Dr. Hastie is committed to ensuring the well-being of his patients at Genesis Surgery Center in Santa Ana and Foothill Ranch, California.
Yasser Salem, MD
Surgeon
1401 North Tustin Ave
Suite 105
Santa Ana , CA 92705
Yanira Perez, MD
Surgeon
15115 Amar Rd
La Puente, CA 91744
Navrose Grewal
Surgeon
3650 South St Ste 206
Lakewood, CA 90712
David Duarte, MD
Surgeon
309 W Beverly Blvd.
Montebello, CA 90640
Jin Park
Surgeon
309 W Beverly Blvd.
Montebello, CA 90640
Olivier Urayeneza
Surgeon
309 W Beverly Blvd.
Montebello, CA 90640
Hermenegildo Ocampo
Surgeon
309 W Beverly Blvd.
Montebello, CA 90640
Gudata Hinika, MD
Surgeon
309 W Beverly Blvd.
Montebello, CA 90640
Scott Gaspard
Surgeon
309 W Beverly Blvd.
Montebello, CA 90640
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
Melinda Lamb, MD
Surgeon
275 Victoria St Ste 2l
Costa Mesa, CA 92627
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