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Esther Friedman, PA, is an integrative health practitioner and physician assistant at Mint Med. Based in Beverly Hills, California, she provides telehealth care for all ages.

Esther earned her undergraduate degree in biology and pre-medicine from City University of New York (CUNY) Brooklyn College in Brooklyn, New York. She received the Peter F. Vallone Academic Scholarship and earned a place on the Dean’s List.

Esther continued her education at Touro College’s School of Health Sciences in Bay Shore, New York. She graduated with dual bachelor’s and master’s degrees in physician assistant studies and earned her National Commission on Certification of Physician Assistants (NCCPA) board certification.

After becoming a physician assistant, Esther worked directly with patients in outpatient, inpatient, and telehealth settings for nearly 10 years. She returned to school to study functional medicine and earned her master’s degree in integrative and functional medicine from the Integrative Health Practitioner Institute. 

At Mint Med, Esther specializes in accessible, personalized health care. She offers ongoing condition management, regular check-ins with seniors, and urgent care triage for minor illnesses and injuries to all ages.

Esther is certified in Basic Life Support, Infection Control and Barrier Precaution, and Security Training. She is a member of the American Academy of Physician Assistants and the Integrative Health Practitioner Institute.

Raymond Dorio, MD, is a primary care physician and general practitioner specializing in geriatric medicine at IMAC Medical Group. At his practice in Newhall, California, he provides a wide range of internal and primary care services to patients of all ages. 

Dr. Dorio graduated with his Bachelor of Arts from the University of California, Los Angeles in 1969. He then earned his medical degree from the University of California, Irvine in 1974, and went on to complete his post-graduate training in the department of pathology at the University of Pennsylvania in Philadelphia. Afterward, he stayed at the University of Pennsylvania as an assistant professor of pathology, researching cell adhesion molecules. Dr. Dorio then researched the biochemistry of alcohol as an assistant professor of pathology at Drexel University College of Medicine (formerly Hahnemann University) in Philadelphia, Pennsylvania, and as an assistant professor of research pathology at the University of Southern California, affiliated with Children's Hospital Los Angeles.

At IMAC Medical Group, Dr. Dorio sees a large number of patients with chronic pain who are on maintenance therapy. He also treats patients suffering from depression, anxiety, attention-deficit/hyperactivity disorder, and sleep disturbances. For elderly patients who cannot easily leave their homes, many who are over 80 years old with chronic conditions, he offers home visits, treating those with conditions from Alzheimer’s and dementia to chronic obstructive pulmonary disease and falls. His three children often go with him on these visits, where they sing “Somewhere Over the Rainbow” to the patients, who are very appreciative. 

Dr. Dorio also has a hospice practice in partnership with several hospice companies in California, including Hospice Care of the Valley in Simi Valley, and Golden Oaks Hospice, LA Hospice, and Green Horizon Hospice in Los Angeles.

Dr. Dorio is married to his wife, Ethel, and they have three children, Gwendelyn, Allison, and Charlotte. He is currently accepting new patients and warmly welcomes them to IMAC Medical Group.

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.