SIERRA VISTA FAMILY MEDICAL CLINIC - Key Persons

Dr. Viscarra was born in El Salvador, at a very young age he migrated to California where he grew up in various parts of Los Angeles County. He obtained his medical degree from UAG School of Medicine and New York Medical College - Fifth Pathway Medical Program. He completed his residency in Family Medicine through the University of San Francisco and Fresno, followed by a year in Hospice and Palliative Medicine Fellowship. He is Board Certified by the American Academy of Family Medicine, Lifestyle Medicine, and board eligible in Hospice and Palliative Care Medicine. Dr. Viscarra lives in Ventura County with his wife and two young children. Dr. Viscarra has been a plant-based vegetarian for over 30 years, he is passionate about healthy eating as well as healthy lifestyle choices. He is fluent in both Spanish and Portuguese. As a doctor, his goal is to partner with patient's cultural beliefs, and empower them in their capacity to heal, while providing the necessary medical support. Dr. Viscarra worked for several years in California's Central Valley as well as the Salinas Valley. Currently, Dr. Viscarra practices at Sierra Vista Urgent Care in Simi Valley.

Job Titles:

• Family Nurse Practitioner, Family Medicine

Aristotle Tuano grew up in the Philippines and emigrated to the United States when he was 13 years old, and has lived in Camarillo, CA ever since. He graduated from California State University, Dominguez Hills in 2013. Aristotle is Board Certified by the American Nurses Credentialing Center. Currently, Aristotle practices at Sierra Vista Family Medical Clinic in Simi Valley. He loves, enjoys, and cherishes the time he spends with his wife and two children. Aside from that, as a U.S. Army veteran who served during Gulf War Era, parts of his interests are to continue to support his fellow veterans. As for his hobbies, he enjoys coaching basketball but, what he loves most is the opportunity to watch his son and daughter play the sport. ​

Dr. Abirami Muthukumaran graduated from Chennai Medical College, India in 1997. She completed her Residency in Neurology at UCLA Medical School in 2004. She completed her Fellowship in Clinical Neurophysiology at Cedars Sinai Medical Center and UCLA in 2005. Dr. Muthukumaran is a member of the American Academy of Neurology and is Board Certified by the American Board of Neurology and Psychiatry, specializing in Adult Neurology and Clinical Neurophysiology. Dr. Muthukumaran has served as Director of ALS Program at Cedars Sinai Medical Center in Los Angeles, participated in clinical research with the NIH for ALS patients, and presented at the American Academy of Neurology. Her interests include traveling, hiking, and spending time with her family.

Job Titles:

• Physician, Family Medicine

Dr. Stanley Patterson grew up in Los Angeles, CA. He graduated from the University of California, Irvine College of Medicine, in 1998. He completed his Residency in Family Medicine at Ventura County Medical Center in 2001. Dr. Patterson is Board Certified by the American Board of Family Practice and a member of the American Academy of Family Physicians, California Medical Association, and American Medical Association. Currently, Dr. Patterson serves as the Medical Director for the Magnolia Family Medical Clinic in Oxnard and Sierra Vista Family Medical Clinic in Simi Valley. His interests include music, sports and outdoor activities.

Joni A. Bhutra, MD, FAAP, is a graduate of University of Texas Southwestern Medical School. She then trained in pediatrics at Children's Hospital Los Angeles, ranked one of the top children's hospitals in the nation. She has a degree in Molecular Cell Biology from University of California, Berkeley. Dr. Bhutra is board certified in pediatrics and has been practicing since 2010. She joined Sierra Vista Medical Clinic in 2014. Dr. Bhutra's practice specializes in the care of chronically ill and developmentally delayed children. Dr. Bhutra is a California native, growing up in the suburbs of San Francisco and then returning to Los Angeles to complete her training as a pediatrician. She currently lives in Thousand Oaks with her husband, son and daughter. She enjoys swimming, biking, and spending weekends at the beach. "Dr. Butra, my child's pediatrician, is the most amazing doctor. She is very thorough, very caring, and we are very blessed to have her."

Dr. Mandal was born in a small town in India, grew up to be a doctor in 2003. She practiced there for a few years before migrating to United States in 2006. She graduated and board certified in Internal Medicine from Kern Medical Center, in the heart of San Joaquin Valley in 2011. She worked as a hospitalist in Southern California before settling down to become an Internist at Sierra Vista Family Medical Clinic. Besides caring for her wonderful patients, she is absolutely passionate about cooking , travelling and not the least, being a mom.

Dr. Choudhary grew up in India. She went to medical school in 2001 at the R.G.Kar Medical College in Kolkata, India. She completed her residency in Family Practice as a chief resident from Loma Linda University in 2008. She won the award for Whole Person Care and is Board certified in Family Medicine. She is very passionate about women health, pediatrics, dermatology, and mental health. Her hobbies include: reading, art, teaching Hindi to kids at the local Hindu Temple.