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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.

Board-Certified Orthopedic Surgeon
Specializing in Foot and Ankle Disorders & Hip and Knee Replacements

 

Medical Degree

University of North Carolina, Chapel Hill, North Carolina
Sarah Graham Kenan Scholarship
John B. Graham Research Society

Internship

Medical College of Virginia, Richmond, Virginia

Orthopedic Residency

Medical College of Virginia, Richmond, Virginia

Orthopedic Fellowship

Duke University Medical Center, Durham, North Carolina

Research Presentations

• Clinical and radiographic results of 227 consecutive primary total hip arthroplasties using a femoral component with proximal and distal precoating and built-on centralizers. Found significant association between initial cement mantle radiographic grade and mechanical loosening. Presentation at the 1999 North Carolina Orthopaedic Association Conference and at the 2000 John B. Graham Student Research Day.
• Effect of barium sulfate particle size on production of IL-1, IL-6. and TNF-alpha. Found no difference in cytokine production between micro- and nano-sized particles exposed to mouse macrophages. 2003. Presentation at 2003 MCV Resident's Day.
• Short term outcomes after tibial shaft fractures: a retrospective study at MCV hospital. Found that institutional data correlates with similar outcome studies in the trauma literature which included a low complication rate and a functional deficiencies in a majority of patients. 2005. Presentation at 2005 MCV Resident's Day.
• Open reduction and internal fixation of the symptomatic type II accessory navicular. Found no significant difference between excision and ORIF of symptomatic accessory navicular bones. 2006. Video poster presentation at 2006 Summer AOFAS meeting. Presentation at 2006 North Carolina Orthopaedic Society Meeting. Poster presentation at 2007 American Academy of Orthopaedic Surgeons.

Publications

• Scott A, Sabesan V, Saluta JR, Easley ME. Open reduction and internal fixation of the symptomatic type II accessory navicular. Foot Ankle Int. in press 2008.
• Saluta JR, Nunley JA. Chapter: Percutaneous open reduction and internal fixation of fifth metatarsal base fractures. MIS Techniques in Orthopaedics. Springer. 2009. In press.
• Saluta JR, Nunley JA. Ankle injuries in athletes. The Journal of Musculoskeletal Medicine. 23:195-201; 2006.
• Saluta JR, Nunley JA. Foot and ankle rehabilitation success hinges on screening accuracy: Biomechanics. June, 2006.

Lectures

• Grand Rounds: Five foot and ankle problems every doctor should know. Good Samaritan Hospital 4/05/2007. California Hospital Medical Center 4/08. St. Vincent Medical Center 5/08.
• Grand Rounds: My Experience with Hip, Knee, and Ankle Arthritis. Good Samaritan Hospital. 1/16/2008.
• Foot and Ankle Injuries in Running. Speaker at McDonalds Expo. Los Angeles Marathon. 2/29/08 and 3/01/08.
• Advancements In Orthopaedics: Hip, Knee, and Ankle Technologies. Speaker. Stryker International. 3/19/08

Media

• Care of the Foot and Ankle. Radio Manila. Consultant, Orthopaedic Surgeon. Health segment of one hour international radio talk show. Dec 2006.
• Governor Schwarzenegger recovering from surgery. KABC-TV Los Angeles evening news. Consultant, Orthopaedic Surgeon. Dec 2006.
• What Happens Next: When a Bone Breaks. Banner Caswell Productions. Television documentary. Consultant, Orthopaedic Surgeon. Veria channel, Dish network. Dec 2007.

Professional Affiliations

• American Academy of Orthopaedic Surgeons
• American Orthopaedic Foot and Ankle Society
• Piedmont Orthopaedic Society
• California Orthopaedic Association

Community

• 2008-2010 Official Medical Team Los Angeles Marathon
• 2008-2010 National Youth Leadership Forum Volunteer Speaker
• January 2010 Medical Mission at California Medical Center in San Fernando, La Union, Philippines
• 2006 Member of Orthopaedic Trauma Team at California Hospital, Level 2 Trauma Center

Dr. Ghobrial is a Board Certified General Surgeon. He has over 20 years of experience in trauma, critical care and general surgery, with a special interest in advanced laparoscopic procedures. He is a highly skilled physician who utilizes the most advanced techniques and technology available today, such as Robotic Assisted Hernia Repair, to ensure the best surgical outcome for each patient. Gergis Ghobrial, MD, is certified by the American Board of Surgery and is a Fellow of the Royal College of Surgeons in Ireland. He has been in private practice in Southern California since 1997. He is an active member at Long Beach Memorial Medical Center where he served as Chief of Surgery and is a member of the Board of Trustees.

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.

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.

Book an appointment with Dr. Essien, MD here.

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.

Hege Johnsen, MD, FACS, is a board-certified general surgeon at Murrieta Valley Surgery Associates, providing complete surgical care to patients in Wildomar, Temecula, Hemet, and Menifee, California.

Dr. Johnsen studied at Albert Szent-Gyorgi Medical University in Szeged, Hungary, earning her medical degree. She then moved to the United States and completed a residency in general surgery.

Dr. Johnsen brings more than 20 years of experience to the practice. She specializes in general surgery but has a special interest in breast surgery and inguinal hernia repair without mesh (shouldice procedure).

Outside of Murrieta Valley Surgery Associates, Dr. Johnsen holds appointments at several area hospitals, including Inland Valley Regional Medical Center in Wildomar, California; Rancho Springs Medical Center in Murrieta, California; Menifee Valley Hospital in Menifee, California; and Temecula Valley Hospital in Temecula, California; and Loma Linda University Medical Center. 

Dr. Johnsen is board-certified by the American Board of Surgery and is a Fellow of the American College of Surgeons. She speaks English and Norwegian fluently, allowing her to serve the practice’s diverse clientele. 

Dr. Johnsen welcomes anyone needing general, breast surgery, hernia repair or cholecystectomy to Murrieta Valley Surgery Associates today. 

Bolaji Nafiu, MD, FACS, is a double-board-certified vascular surgeon at Murrieta Valley Surgery Associates. 

Dr. Nafiu studied at the University of Ibadan College of Medicine in Nigeria, earning his medical degree. After graduation, he moved to the United States. He completed a general surgery residency at the Charles R. Drew University of Medicine and Science in Willowbrook, California, and a vascular surgery fellowship at Yale New Haven Hospital in Connecticut.

As a general and vascular surgeon, Dr. Nafiu treats various medical conditions, including blood clots, carotid artery disease, and chronic venous insufficiency. He also treats aortic aneurysms and peripheral vascular disease.

He holds privileges at several area hospitals, including Inland Valley Regional Medical Center in Wildomar, California; Rancho Springs Medical Center and Loma Linda University Medical Center Murrieta in Murrieta, California; and Temecula Valley Hospital in Temecula, California.

Dr. Nafiu is a fellow of the American College of Surgeons and a member of the Society of Vascular Surgery and the American Venous Forum. He welcomes anyone needing vascular or general surgery to Murrieta Valley Surgery Associates today.

Sarvenaz Nouri, MD, is a board-certified general surgeon with fellowship training in weight loss and bariatric surgery. She is committed to helping patients at Murrieta Valley Surgery Associates achieve long-term weight loss success by providing the most effective and safe surgical techniques. 

Dr. Nouri understands that each patient’s weight loss journey is unique and partners with them to choose a weight loss surgery that best fits their goals, leading to long-lasting weight loss and achieving their best personal health outcomes.

She believes it is a privilege to be part of each of her patient’s weight loss journey. She loves witnessing first-hand how bariatric surgery transforms patients’ lives and improves their health. In addition to performing weight loss surgery, Dr. Nouri performs a variety of abdominal surgeries, including reflux surgery, gallbladder removal surgery, and hernia repair.

Dr. Nouri earned her medical degree from Drexel University College of Medicine in Philadelphia. She completed her residency training in general surgery at Riverside University Health Systems in Southern California. She obtained fellowship training in robotics and bariatric surgery at Reading Tower Health Hospital in Pennsylvania. She also serves as a Robotics medical director at Corona Regional Medical Center.

Outside of work, Dr. Nouri enjoys weightlifting, sailing in the Pacific Ocean, and watching crime dramas on Netflix.

Book an appointment with Sarvenaz Nouri, MD here.