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Dr. Afshine Emrani is a cardiologist who serves the residents of Tarzana, California, in addition to the greater Los Angeles area. At Los Angeles Heart Specialists, the doctor and his staff offer a variety of cardiology services including preventative care for heart disease, stress testing, treadmill testing, and treatment of many different kinds of health conditions including high blood pressure, high cholesterol, diabetes, thyroid disorders, and peripheral arterial disease. Dr. Emrani specializes in identifying biomarkers and other naturally occurring identifiers that help him treat heart disease in both men and women. He offers a wide variety of services to his patients including weight management plans, the control and maintenance of cholesterol levels, and nutritional plans geared towards a more heart-healthy lifestyle. An on-site lab makes testing quick and cost-effective.

Dr. Emrani attended the University of California, Los Angeles where he obtained his Bachelor of Science degree where he was inducted into the Biological Honors Society. He also attended the University of California, San Diego where he completed his medical degree. During that time, he participated in two sub-internships, one in Cardiology and the other in Intensive Care. He also worked at the Cedar Sinai Medical Center and completed an additional sub-internship infectious disease. An internship was also completed during the years he worked with the Veteran's Affairs Administration. While working at the Kaiser Permanente campus of the University of Southern California, Dr. Emrani earned a fellowship in the field of Cardiology.

With over 16 years experience, Dr. Emrani is a leader in his field. His knowledge of cutting-edge technology and the use of state-of-the-art diagnostic equipment allows him the privilege of offering his patients the best cardiac care possible. He continues his education on a regular basis by attending classes and seminars that allow him to stay abreast of the latest advancements in the field of cardiology and infectious diseases. His certification in both basic and advanced cardiac life support makes him one of the most prominent cardiologists in Southern California.

Meet Dr. Fink

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Samuel I. Fink, MD, FACP, is an internal medicine and primary care specialist in private practice in Tarzana, California. His patients receive comprehensive primary care for the full range of health conditions, including headaches, diabetes, hypothyroidism, sleep apnea, arthritis, and coronary artery disease. Patients appreciate the time and attention they receive thanks to Dr. Fink’s dedication to individualized care which encompasses a full diagnostic assessment. Beyond Dr. Fink’s expert care, patients also benefit from the convenience of on-site laboratory services, bone densitometry, X-rays, ultrasound, Echocardiography, and Treadmill Stress Testing. All of Dr. Fink's patients experience the benefit of concierge level care without the cost. A Los Angeles native, Dr. Fink graduated from Grant High School in Van Nuys and then attended Pomona College in Claremont. After graduating with honors in biochemistry, he attended medical school at the University of Texas Medical Branch (UTMB) in Galveston. Dr. Fink completed his residency in internal medicine at Huntington Memorial Hospital in Pasadena and then entered private practice in Tarzana. He’s on the medical staff at Providence Tarzana Medical Center, where he’s the Chair of the Institutional Review Board. Dr. Fink has been a member of the Los Angeles County Medical Association (LACMA) for nearly 30 years, where he served as the 141st President. He has also served as the President of the San Fernando Valley/Santa Clarita Medical Society, as well as the Chair of the LACMA delegation to the California Medical Association (CMA). With a dedication to advocating for physicians and patients, Dr. Fink has chaired the Public Health Reference Committee at the CMA House of Delegates and has served as a past member of the Council on Legislation as well as the Chairman of the President’s Forum. Dr. Fink teaches medical students at the David Geffen School of Medicine at UCLA, where he proudly serves as an Associate Clinical Professor of Medicine. When he’s not in the office, Dr. Fink spends his time with his family. He enjoys spinning, skiing, and playing basketball and actively follows the Lakers, Dodgers, Rams, and Kings.

Kelly Okray, PA-C has been with First Valley Medical Group since July 2022. First Valley Medical Group is an internal medicine outpatient clinic with multiple locations. Kelly works at our Lancaster location off of Lancaster Boulevard and 10 th street. She can help diagnose and manage various conditions including hypertension, diabetes, thyroid conditions, heart failure and many others. Kelly can help you understand your conditions, lab work and images, and get you connected with a specialist as needed. She is also able to provide basic preventative women’s health care. She is passionate about preventative medicine through diet and lifestyle changes and would love to help you get and stay healthy. She is originally from Minnesota, relocating nearly two and a half years ago and is making Lancaster her

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.