Find a Top Surgeon Near Me in Thousand Oaks, CA – Book an Appointment Instantly

Karen Zaghiyan, MD, FACS, FASCRS, is a renowned expert and leader in in the field of colorectal surgery. As a board-certified colorectal surgeon Dr. Karen Zaghiyan sees patients in her practice in Los Angeles, California and does all major surgeries at Cedars Sinai Medical Center in Beverly HIlls, CA. Dr. Zaghiyan’s interests lie in providing minimally invasive treatments for conditions of the colon, rectum, and anus through the use of robotic, laparoscopic, transanal and natural orifice techniques.

Her special interests in colorectal cancer and inflammatory bowel disease (IBD) have driven her success as one of the early adopters and innovators of transanal total mesorectal excision (taTME) and transanal ileal pouch-anal anastomosis (taIPAA) for patients with rectal cancer and inflammatory bowel disease.

Dr. Zaghiyan is the Director of the Colorectal Cancer Tumor Board at the Samuel Oschin Comprehensive Cancer Institute at Cedars Sinai Medical Center in Los Angeles. She is also the Associate Professor of Surgery and Program Director for the Colorectal Residency Program at Cedars Sinai Medical Center. 

Dr. Zaghiyan graduated magna cum laude with a Bachelor of Science in Biology from the University of California, Los Angeles. She then completed medical school at the University of California, San Diego before pursuing her general surgery residency and colon and rectal surgery fellowship at Cedars-Sinai Medical Center in Los Angeles. During this time, she traveled to Singapore for additional training from international leaders in her field prior to return to Los Angeles to start her practice. 

Dr. Zaghiyan is an innovator and expert in her field who is regularly invited to speak and teach at top national and international conferences. She is the principal investigator of numerous local, national and international research projects with the goal to improve the care of patients with colorectal conditions. Her research focuses on practical issues in colorectal surgery such as the use of local nerve blocks to minimize surgical pain and improve recovery, early diet advancement, optimal steroid dose after IBD surgery, and quality of life after J-pouch surgery, to name a few. 

Dr. Zaghiyan remains dedicated to making advancements in her field, which directly impacts the well-being of her patients. With her clinical and research expertise along with her commitment to providing the highest-quality care, Dr. Zaghiyan delivers the most cutting-edge treatments for men and women with colon and rectal diseases.

Dr. Martina Randall is a board-certified, fellowship-trained foot and ankle surgeon in the Greater Los Angeles, California region. Dr. Randall specializes in the foot, ankle, and lower leg surgery and has a particular interest in sports medicine. Patients can be seen in Burbank, West LA, and Fountain Valley.

Dr. Randall’s practice focuses on minimally invasive, arthroscopic surgery of the ankle, cartilage restoration, trauma, reconstruction, tendon and ligament repair, total ankle joint replacement, and cosmetic surgery such as bunion and hammertoe correction.

Dr. Randall graduated magna cum laude from the Cheyney University of Pennsylvania in 2009 and from medical school at Temple University in 2014 with her Doctorate of Podiatric Medicine.

While at Cheyney University, Dr. Randall was a member of the Women’s Basketball team earning conference team accolades and NCAA all-academic honors.

Following medical school, Dr. Randall completed her residency at Palmetto General Hospital, specializing in deformity correction, reconstruction, and lower leg trauma, including complex peri-and intra-articular fractures.

After residency, Dr. Randall completed one of the country’s few foot and ankle sports medicine fellowships at Virginia Mason Medical Center. While there, her subspecialty training emphasized cartilage restoration, ligament/tendon repair, and joint preserving surgical techniques for the foot and ankle, allowing patients to continue with their athletic careers and recreational activities.

During her fellowship at Virginia Mason Medical Center, Dr. Randall assisted the team physicians for the Seattle Seahawks(NFL), Seattle Storm(WNBA), and Seattle Sounders(MLS). She also serviced other sports teams, including multiple semi-professional, university, and high school teams in basketball, football, and track and field. One of Dr. Randall’s patients is competing in the Tokyo 2020 Olympics.

Dr. Randall is well known for her surgical skill and dedication to teaching. In addition to her surgical expertise, Dr. Randall is known for her humility, kind demeanor, and patient-friendly disposition. She treats every patient like family and believes that patient education and understanding are key to achieving excellent patient outcomes. Dr. Randall believes in extensive nonsurgical treatment options as well as advanced surgical techniques to help patients return to their previous level of function and activity.

In her free time, Dr. Randall likes to spend time with her family and friends in Southern California and back home in Philadelphia, Pennsylvania. She enjoys basketball, running, golf, and fitness.

Book an Appointment with Dr. Randall

Book Online

A Los Angeles native, Dr. Soleymani completed his undergraduate studies in Evolutionary Biology at UCLA. He went on to graduate from the University of California, Irvine School of Medicine, during which time he was awarded numerous accolades for academic excellence and was inducted into the prestigious Alpha Omega Alpha honor society, considered widely to be the highest award bestowed in medical school.

Dr. Soleymani completed his internship at Cedars-Sinai Medical Center, where he was awarded the UCLA David Geffen School of Medicine Excellence in Teaching with Humanism Award. He then went on to complete his residency at Stanford University in Palo Alto, California, one of the world’s most premier dermatology training programs. While at Stanford, Dr. Soleymani worked with world-renowned experts in cutaneous oncology and complex skin diseases and was the recipient of various academic awards and distinctions. 

Following residency, Dr. Soleymani completed a rigorous fellowship in Mohs Micrographic Surgery, Cutaneous Oncology, and Facial Plastic and Reconstructive Surgery at the Zitelli and Brodland Skin Cancer Center under the tutelage of John Zitelli, M.D., considered by many to be  the world’s most prestigious and competitive fellowship program. His fellowship was directed by both John Zitelli, M.D. and David Brodland, M.D, widely considered to be two of the pre-eminent leading authorities in Mohs surgery. Notably,  Dr. Soleymani’s fellowship director, Dr. John A. Zitelli, MD, was trained directly by Dr. Frederic E. Mohs himself, the founder and pioneer of Mohs surgery. This direct lineage from Dr. Mohs enables Dr. Soleymani provides his patients with the highest-quality Mohs surgery possible. Additionally and in much acclaim, Dr. Soleymani’s unique fellowship training was the only program in the world that included fellowship training in both Mohs Micrographic Surgery and Facial Plastic and Reconstructive Surgery as well.  As a result he is one of only a handful of Mohs Surgeons in the world with dedicated specialized training in Facial Plastic and Reconstructive Surgery as well, allowing him to provide the best possible functional and aesthetic reconstructive results. 

Dr. Soleymani also completed a fellowship in dermatopharmacology, clinical trials and drug development at the famed Ronald O. Perelman Department of Dermatology at NYU in New York City.  During this time, he was a co-investigator for over 14 different investigator-initiated and industry-sponsored, multi-center, phase I-III clinical trials developing new drugs for various diseases in dermatology. His work during his fellowship earned him the coveted Maurice Husik, M.D. Award for Best Research.

Prior to establishing California Dermatology and Mohs Surgery Specialists, Dr. Soleymani practiced as a full-time Clinical Professor of Dermatology and Dermatologic Surgery at UCLA, where he was also the Director of the Pigmented Lesions and Melanoma Clinic, as well as Co-Director of Mohs Micrographic Surgery and Dermatologic Oncology Fellowship Education and Resident Surgery Education programs. 

During his tenure at UCLA, Dr. Soleymani received both local and national acclaim for introducing landmark and pioneering  surgical treatments for complex, high-risk and challenging skin cancers. He introduced advanced Mohs micrographic surgery with intra-operative immunostaining to UCLA,  pioneered groundbreaking work for the treatment of early-stage melanomas on the head and neck developed UCLA’s first Mohs Surgery for Melanoma program.  He also pioneered the creation and utilization of advanced intra-operative immunostaining during surgery for high-risk, complex and rare-skin cancers, which allowed for much higher tumor cure rates and greater successful clearance of the most challenging tumors.  As a result of his pioneering work, Dr. Soleymani was able to make tremendous improvements in patient outcomes and quality of care. 

In addition to clinical patient care, Dr. Soleymani remains robustly active in academic research, continuing to publish numerous scientific papers in peer-reviewed journals and book chapters in textbooks. He has lectured and continues to present at local, regional, and national academic conferences and remains active in clinical and translational research regarding dermatologic oncology and surgical reconstruction. He is considered by many to be a key thought leader and national expert in skin cancer treatment.

In his spare time, Dr. Soleymani enjoys spending quality time with his wife and sons, staying active, and traveling.

Awards

Board-certified general and bariatric surgeon Amir Mehran, MD, FACS, FASMBS, provides exemplary bariatric and general surgery at University Bariatrics in Thousand Oaks, California. 

A Duke University Medical School graduate, Dr. Mehran completed his surgery residency in New Jersey, followed by a Minimally Invasive Surgery (MIS) and Bariatric fellowship at the Cleveland Clinic in Florida. He served as the UCLA Bariatric Surgery Program Chief for several years, prior to establishing his own surgical program in the Thousand Oaks area.  

The name University Bariatrics reflects his goal of combining the integrity and values of his past academic career, with a new private practice that is focused on serving the community around him. Dr. Mehran has contributed to over 160 publications and presentations and has mentored numerous fellows, residents, and medical students. 

He is a member of multiple surgical societies and has served as a consultant for various regulatory agencies, surgical journals, the media, and the medical industry. In recognition of his dedication and efforts, his peers have repeatedly elected him to the Southern California Super Doctors list. He currently serves as the elected Chair of Surgery at Los Robles Medical Center.

Gregory Albaugh, DO, FACS, is a board-certified vascular and endovascular surgeon who’s been providing Ventura County with exceptional medical care since 2004. He’s the founding member and managing partner of Coastal Vascular Center, which has three convenient locations in Oxnard, Camarillo, and Simi Valley, California.

Dr. Albaugh completed a fellowship in vascular surgery at Virginia Commonwealth University in Richmond. He’s a fellow of the American College of Surgeons and holds board certifications in general surgery and vascular surgery. Prior to founding Coastal Vascular Center, he was the medical director at St. John’s Regional Medical Center Peripheral Vascular Laboratory and the Pleasant Valley Wound Care Center in Camarillo, California.

In his work at Coastal Vascular Center, Dr. Albaugh is regarded as a regional expert in complex limb revascularization, carotid endarterectomy, endovascular and open aortic surgery, wound care, and the treatment of varicose veins and venous insufficiency. 

Outside of his medical career, Dr. Albaugh is a member of the United States Navy Reserve, where he serves as a commander and has a variety of awards and citations. He lives with his wife, Anne, in Ventura County. He looks forward to improving his patients’ quality of life at Coastal Vascular Center.

Karen Quirk, MD, FACS, is a highly-skilled vascular and endovascular surgeon on the team of providers at Coastal Vascular Center in Oxnard, Camarillo, and Simi Valley, California. She’s one of the few female surgeons in the field of vascular surgery, which only has a 10% female population nationwide.

Dr. Quirk was born and raised in South Korea and immigrated to America as a young teen. She graduated on the dean’s honor list with a Bachelor of Arts in Molecular Cell Biology from the University of California in Berkeley. After graduating, she spent some time conducting basic scientific research on a therapeutic recombinant proteinase before going to medical school. Dr. Quirk earned her medical degree from the University of California Irvine School of Medicine, graduating with a variety of honors and research awards. 

She went on to discover her love and passion for surgery and completed an internship and residency in general surgery at Harbor–University of California Los Angeles Medical Center. She found herself particularly drawn to vascular surgery because of the field’s technical elegance, its capacity for lifelong relationships with patients, and its challenges in managing complex vascular diseases. This passion bloomed during her vascular surgery fellowship at the University of California San Diego Medical Center and continues to drive her in practice today.

Dr. Quirk has a reputation for outstanding surgical skills and compassionate patient care. She’s a fellow of the American College of Surgeons and the Society for Vascular Surgery and is one of the few surgeons in Southern California capable of using fenestrated stent-graft technology to perform minimally invasive complex aortic aneurysm repairs. She manages the full spectrum of vascular disease at Coastal Vascular Center.

Outside of work, Dr. Quirk enjoys spending time with her two wonderful boys.

Kevin M. Major, MD, FACS, is a board-certified Vascular and Endovascular Surgeon with over 20 years of experience. He currently serves the community of Ventura County on the team of providers at Coastal Vascular Center, which has three state-of-the-art clinics in Oxnard, Camarillo, and Simi Valley, California. 

Dr. Major graduated from the University of San Diego in 1992 with a degree in Biochemistry and a minor in Business Administration. He went on to earn his medical degree in 1998 from the Medical College of Ohio (now known as the University of Toledo College of Medicine and Life Sciences) in Toledo.

Dr. Major returned to Southern California for his post-graduate training, completing a residency in General Surgery at Cedars-Sinai Medical Center in Los Angeles, where he also completed additional fellowship training in Surgical Critical Care. He went on to complete fellowship in Vascular Surgery at the University of Southern California (USC) in Los Angeles.

Dr. Major holds certification from the American Board of Surgery in General Surgery, Surgical Critical Care, and Vascular Surgery. He is also a fellow of the American College of Surgeons. 

Dr. Major has recently served as the chairman of the surgery department at Community Memorial Hospital in Ventura, California. He retains privileges at Community Memorial Hospital, St. John’s Regional Medical Center in Oxnard, Pleasant Valley Hospital in Camarillo, and Adventist Health Simi Valley.

Dr. Major looks forward to getting to know his patients at Coastal Vascular Center and keeping them in excellent health.