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Brett Wertman, MD, FACC, is a triple board-certified cardiologist who is widely respected for his treatment and care for patients at Coastal Cardiology of Orange County in Ladera Ranch and Irvine, California.

Dr. Wertman, who twice has been named a Physician of Excellence by the Orange County Medical Association, also leads the Cardiac Rehabilitation Program at Hoag Hospital Irvine in Irvine. 

An Orange County native, Dr. Wertman graduated summa cum laude and with Phi Beta Kappa Society honors in earning his Bachelor of Arts degrees in biochemistry and molecular, cellular, and developmental biology from the University of Colorado Boulder in Boulder, Colorado.

Dr. Wertman then completed his medical degree from the University of Washington in Seattle, Washington, and went on to finish his internship and residency training in internal medicine at Ronald Reagan UCLA Medical Center in Los Angeles, California.

He completed his fellowship training in cardiology and interventional cardiology at Cedars-Sinai Medical Center, also in Los Angeles.

Dr. Wertman has authored numerous publications in leading peer-reviewed journals and participated in live case transmissions to national meetings, demonstrating new techniques in the treatment of coronary artery disease and valvular heart disease. 

Dr. Wertman is highly trained in the percutaneous treatment of valvular heart disease, including aortic valve replacement using the Edwards Sapien heart valve system, as well as mitral valve repair using the Abbott MitraClip™ system. He also has significant experience in other novel interventional therapies.

He looks forward to welcoming new patients and offering superior care to those returning to Coastal Cardiology of Orange County.

In Dr. Wertman’s spare time, he enjoys relaxing with his family, traveling, and exercising.

Dr. Barry Buffman has been practicing since 1980 in internal medicine with a specialty in urology. He graduated from the Rush Medical College in Chicago, IL and practices with a focus on a multitude of urological issues, such as sexual dysfunction, bladder, and prostate conditions. In addition, Dr. Buffman is involved with medical research for various urological conditions. In his spare time Dr. Buffman has a passion for teleplay/screenplay, musical composition, guitar, and piano.

Kanagaratnam Sivalingam, MD, FACP, is a skilled internist at First Valley Medical Group in Lancaster, California. He has more than 40 years of experience in treating numerous acute and chronic conditions. Dr. Sivalingam spends time with patients and listens to their concerns, giving them a voice in their treatment.

Dr. Sivalingam earned his medical degree from the University of Ceylon Medical School in Peradeniya, Sri Lanka. He completed his internal medicine training at the Hospital for Joint Diseases in New York City and his residency at Vembadi Polyclinic in Ceylon, Sri Lanka.

He maintains his advanced credentials with continuing education. Dr. Sivalingam is board certified in internal medicine and licensed in the state of California. He’s a fellow of the American College of Physicians and a member of the American Medical Association, American Society of Echocardiography, American Academy of Anti-Aging Medicine, and numerous other professional organizations.

At First Valley Medical Group, Dr. Sivalingam provides premium care for patients with a variety of chronic diseases using a compassionate bedside manner. He uses the most innovative technology and procedures to provide expert treatments.

Dr. Sivalingam evaluates each patient as a whole person and offers conservative treatments whenever possible. He and his team warmly welcome patients to First Valley Medical Group and look forward to serving them.

At Doctors Weight Loss in Laguna Hills, California, our expert team, led by James Joachim, MD, is dedicated to helping adults achieve their health and wellness goals. We specialize in a range of services designed to support your well-being from the inside out.

Our medical weight loss programs are tailored to your unique needs, offering proven solutions such as semaglutide and tirzepatide to help you lose weight safely and effectively. We also provide hormone replacement therapy, including men’s testosterone replacement therapy, to restore balance and vitality.

If you’re looking to turn back the clock, our anti-aging treatments, including sermorelin therapy, promote natural rejuvenation. In addition, we offer nicotinamide adenine dinucleotide (NAD) therapy to enhance mental clarity, boost energy levels, and support your overall cellular health.

Whether you want to shed excess weight, regain youthful energy, or optimize your health, visit our practice to receive excellent guidance every step of the way.

Take the first step toward a healthier, more vibrant you — contact Doctors Weight Loss today by phone or online to schedule your consultation.

Dr. Sherwin Hariri is a board-certified adult and pediatric allergist and immunologist serving patients in Beverly Hills and the greater Los Angeles, CA area. He specializes in both adult and pediatric patients with asthma, allergic rhinitis, allergic conjunctivitis, sinusitis, history of food allergies, drug allergies, mast cell activation syndorme (MCAS), immune deficiencies, eczema and other allergic skin rashes.

Dr. Hariri is also an allergy and immunology attending Physician at Cedars-Sinai, where he sees patients with complicated allergic diseases. At Beverly Hills Allergy, we strive to help you breathe better so you can live better.

Dr. Hariri attended Saint Louis University School of Medicine, after which he completed an internship at the Harbor-UCLA Medical Center. He then went on to complete a residency in Internal Medicine at the world-renowned Cedars-Sinai Medical Center in Los Angeles, California.

After his residency, he went on to teach residents at Cedars-Sinai Medical Center (where he still teaches residents) and the West-LA VA Medical Center (a UCLA-affiliated hospital) as an academic hospitalist. He then decided to specialize in a condition that has always been his passion: Allergies. Dr. Hariri completed his fellowship in allergy and immunology at the prestigious UCLA West-LA VA program with pediatric rotations at the world-class Children's Hospital in Los Angeles (CHLA).

A diplomate of the American Board of Allergy and Immunology, Dr. Hariri is an expert in treating both adult and pediatric allergic and immunologic diseases. He is a clinical instructor at UCLA, and he volunteer attends at the West-LA VA Allergy & immunology clinic, where he teaches fellows (Doctors training to be allergy & immunology specialists) and internal medicine residents (physicians-in-training). 

Dr. Hariri is a Fellow of the American Academy of allergy, asthma and immunology and the American College Of Allergy, Asthma, Immunology. Dr. Hariri holds privileges at Cedars-Sinai Medical Center. He is often consulted by other physicians to see their patients who are hospitalized with severe and complicated allergic and immunologic conditions.

Dr. Hariri performs comprehensive skin testing for aeroallergens (such as grasses, trees, weeds, molds, dust mites, and pet dander) and all kinds of foods. He offers immunotherapy to those who are looking for a potential cure for their allergic symptoms. The doctor also performs a very comprehensive patch test for delayed hypersensitivity to all kinds of chemicals, preservatives, fragrances, metals and dyes causing different types of skin rashes in his patients. Oral food and drug challenges are also performed in his office, as well as spirometry to test lung function in asthma patients.

Dr. Kondradzhyan's foundation for the cornerstone of exemplary medical care is embedded within the practice of treating all patients with respect, patience, and compassion. Dr. Kondradzhyan journeyed to the United States from Armenia at eight years old with aspirations of one day becoming a physician. His passion has continued to be medicine and his significant experience as an expert diagnostician and clinician began when he attended Ross University School of Medicine. After graduating with honors from medical school, he then continued his right of passage as Chief Resident at White Memorial Medical Center. The benefit of having his medical school and residency in these distinct settings allowed him to expand his extensive medical care knowledge with compelling medical cases and by having an array of patients from diverse backgrounds. Once Dr. Kondradzhyan completed his residency, he joined Concord Hospitalist Group at USC Verdugo Hills, where he currently practices as an Internal Medicine physician with an estimable group of fellow internists. Dr. Kondradzhyan believes that a physician must consistently be well informed on the latest research and the most up to date guidelines that will benefit and support his patient’s path to having the best overall health and quality of life. 

At Elevate Health Group, Dr. Narbeh Tovmassian is a leading provider of general health and preventative medicine. The practice provides Glendale, CA patients with services such as comprehensive, annual physicals, chronic and complex medical treatment and management, inpatient hospital services, nursing home visits, well-person visits, preoperative medical exams and checkups, sports physicals and injury treatment, STD screenings, vaccinations, and so much more.

Dr. Tovmassian grew up in Glendale and has been devoted to medicine from a young age. He obtained his Bachelor’s degree in Physiological Sciences at the University of California- Los Angeles. Dr. Tovmassian went on to receive his Doctorate of Medicine from the Ross University’s School of Medicine. He also completed a three-year Internal Medicine residency in Las Vegas at the University of Nevada’s School of Medicine. He is also board certified by the American Board of Internal Medicine. He specializes in preventative medicine and cardiovascular diseases.

His expertise lies in the diagnosis, treatment, and prolonged care of adults ranging from general health to complex conditions and illnesses. The practice focuses on a patient-oriented approach and Dr. Tovmassian aims to provide the highest quality care to his each and every one of his patients. The practice is also devoted to utilizing the most recent innovations in the medical field.

Elevate Health Group is dedicated to upholding the principles of a traditional internal medicine practice and works to provide patients with continuing care from an expertly trained physician. Dr. Tovmassian works to ensure that his patients feel welcomed, comfortable, and in capable hands.

Dr. Tovmassian and the entire staff of Elevate Health Group welcome new patients, where the practice accepts most major forms of medical insurance.

Dr. Devinder Gandhi is an experienced internal medicine physician dedicated to providing comprehensive and personalized care. In addition to serving as a hospitalist at Verdugo Hills Hospital, Dr. Gandhi sees patients at Elevate Health Group’s La Cañada clinic. He is committed to helping his patients achieve optimal health through preventive care, effective treatment plans, and a compassionate approach to managing complex medical conditions.