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Raymund Cordero, MD, is a skilled, dedicated, and board-certified doctor of medicine specializing in general surgery and has been practicing locally for over 20 years. 

In addition to his work at Murrieta Valley Surgery Associates, Dr. Cordero also holds appointments at Inland Valley Regional Medical Center, Rancho Springs Medical Center, Loma Linda University Medical Center Murrieta, Temecula Valley Hospital, and Menifee Valley Hospital. 

Dr. Cordero is a member of the American College of Surgeons (ACS), the American Society of Breast Surgeons (ASBrS), and the Society of Laparoendoscopic Surgeons (SLS). He is certified by the American Board of Surgery (ABS).

When Dr. Cordero isn’t serving patients, he likes watching basketball and soccer. He also enjoys spending time with his two children, who are both interested in pursuing medicine.

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.

Amit Karmur, DO, is the newest vascular surgeon to join Murrieta Valley Surgery Associates (MVSA).

Dr. Karmur graduated from medical school at the Western University of Health Sciences and completed his general surgery residency at Community Memorial Health System in Ventura, California. He then went on to sub-specialize and complete his fellowship in vascular surgery at Harbor-UCLA Medical Center.

Dr. Karmur treats all types of diseases that affect the vascular system. He specializes in both traditional open surgical and minimally invasive endovascular techniques. These include diseases of the carotid arteries, aortic aneurysms, peripheral arterial disease, and dialysis access.

During his spare time, Dr. Karmur likes to travel and learn about new cultures. He also enjoys maintaining his health by working out and staying active by exploring the outdoors. He and his wife are both from the Inland Empire and are excited to be back in the community.

Xiujie Wang, MD, FACS, RPVI, is a board-certified vascular surgeon at Murrieta Valley Surgery Associates.

Dr. Wang studied at Shanxi Medical University in Jinzhong, China, earning her medical degree. After graduation, she moved to the United States and completed a surgical residency at St. Mary’s Hospital in Waterbury, Connecticut. She also completed a vascular surgery fellowship at the Icahn School of Medicine at Mount Sinai in New York City.

Dr. Wang brings more than 20 years of vascular surgery experience to the practice. She treats a wide array of conditions but has a special interest in treating peripheral artery disease (PAD), varicose veins, and aneurysms. 

Outside of the office, Dr. Wang holds appointments at several area hospitals, including Inland Valley Regional Medical Center; Rancho Springs Medical Center and Loma Linda University Medical Center; and Temecula Valley Hospital.

Dr. Wang is board-certified in general and vascular surgery by the American Board of Surgery. She’s also a fellow of the American College of Surgeons and a member of the Society of Vascular Surgery and the American Venous Forum.

Dr. Wang welcomes anyone in need of vascular surgery to Murrieta Valley Surgery Associates today. 

Brian Tiu, MD, is a board-certified vascular surgeon at Murrieta Valley Surgery Associates.

Dr. Tiu always knew he wanted to be a doctor. Growing up, he volunteered at various hospitals and medical centers, which spurred his interest in medicine.

Dr. Tiu studied at Rutgers New Jersey Medical School in Newark, earning his medical degree. Then, he completed a surgical residency at the State University of New York (SUNY) Downstate Medical Center in Brooklyn and a vascular surgery fellowship at Maimonides Medical Center, also in Brooklyn. 

These experiences inspired Dr. Tiu to pursue a career in vascular surgery. Dr. Tiu thinks vascular surgery is the most interesting field of medicine. As an expert in the field, he does everything from minimally invasive procedures, like angiograms, to open procedures, like removing blockages and performing bypasses.

Dr. Tiu loves making a difference in his patients' lives. He never rushes appointments and makes time to explain each vascular diagnosis in-depth. Specifically, he explains the natural course of diseases, including where they originate, why they occur, and what can be done to improve them.

I am a triple-board certified surgeon with expertise in general, colorectal and trauma/ critical care surgery. Born and and raised in Brazil, I completed my medical education at the Federal University of Santa Catarina (UFSC).

In high school, my passion for Biology, Math and Physics led me to pursue medicine for its challenging and exciting nature. Working in the operating room, I take great satisfation in promptly addressing my patient's concerns through surgical interventions.

My frequent surgical procedures involve colorectal cancer removal, anorectal surgery (including hemorrhoids and fistulas), and hernia repair. With over two decades of surgical experience in Murrieta and Temecula, I am committed to providing patients with top-notch care and a positive treatment experience. As a Fellow of the American College of Surgeons (FACS) and the American Society of Colon and Rectal Surgeons (FASCRS), I continuously strive to integrate new technologies into my practice. 

Beyond my medical pursuits, I enjoy traveling with my family, watching movies, reading, operating my drone, and capturing aerial photographs.

 

Dr. Lamb is a general surgeon dedicated to providing excellent, compassionate, efficient surgical care. She treats a wide variety of surgical diseases, many of which are listed below.

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.

My journey has led be back to California, and to a great practice where I feel at home.  My partners and I strive to treat each patient that we take care of like our family.  As a general surgeon I have the opportunity to care for conditions ranging anywhere from lipomas and cysts to hernias, gallbladder disease, hemorrhoids, breast disease, trauma, and intestinal surgery.     Outside of the operating room, I enjoy playing the clarinet and saxophone, being an amateur gardener, and watching reruns of Star Trek TNG.  

Thank you for choosing Murrieta Valley Surgery Associates, looking forward to the opportunity to help you in your wellness journey

Dr. Rivera graduated from the prestigious Surgery Residency Program at Morristown Memorial Medical Center, Morristown, New Jersey; affiliated with New York Mount Sinai School of Medicine. He successfully completed his Residency program and Chief Resident year, and was awarded the Hughes D. Dougan MD Award : 2010 Chief Resident Teaching Award. Since then, they have been providing the community with excellent cutting edge surgical care, with the best surgical outcomes, lowest complication rates, lowest length of hospital stay and lowest readmission rates; which allow patients a rapid recovery to return to their normal lifestyle. Dr. Rivera treats a wide variety of surgical conditions among which include: skin cancer, soft tissue tumors, hernia repair, gallbladder disease, gallstones, colon cancer, breast cancer, appendiceal cancer, diverticulitis, robotic surgery; and provides emergency surgical care as well. Why go "down the hill" when you can get the same care in your community.