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OUR PROVIDERS

     
 
The Providers of MedCareLive.com practice primary care, family and emergency medicine.  They are State-licensed, board certified, and credentialed healthcare providers.  They have completed full background checks with primary source verifications and carry malpractice insurance per encounter.  Our providers undergo specialized training in telehealth communication and diagnosing patients over the phone and online video, while adhering to strict clinical protocols.
 
             
  David Tashman, M.D.  

David Tashman, M.D.

is Board Certified in Emergency Medicine. He is a highly qualified physician with over 20 years of practice experience.  Dr. Tashman graduated Cum Laude from California State University Northridge, and matriculated to The Medical College of Pennsylvania (now Drexel University).  In 2000, he finished residencies in both Internal Medicine and Emergency Medicine at UCLA.  Dr. Tashman has practiced in various clinical settings before settling in at Verdugo Hills Hospital Emergency Department, where he not only is a practicing physician but the Medical Director of the Department of Emergency Medicine.  He has served as the chair of the Ancillary Medicine Department and currently sits on the Medical Executive Committee and Hospital Board of Directors.  He is a compassionate, personable and committed physician who values close interaction with his patients. His commitment to honest “person to person” communication is what has now drawn him into the field of telehealth.  He is the CEO of MedCareLive.com.
 
             
 

Sigi Marmorstein RN, PHN, MSN, FNP-BC

is a Board Certified Family Nurse Practitioner with many years of strong clinical experience and skills.  She is the founder and Vice President of MedCareLive.com, a company she worked hard to establish over the last two years.  Mrs. Marmorstein graduated from the University of Southern California, School of Nursing (USC) in 1998.  She has been in practice ever since in various clinical settings including family practice, emergency medicine, urgent care and operated her own family practice in Sherman Oaks, California.  She has successfully established a nurse practitioner run triage unit within Verdugo Hills Hospital’s Emergency Department (2005), where she practices and holds title as Chief Nurse Practitioner for ER Services.  Sigi engages in many activities to sustain and advance the critical role and practice of nurse practitioners in California.  Such activities include participating in the California Association of Nurse Practitioners, American Nursing Association, and the California Action Coalition.  She serves as the legislative chair of the CANP Greater Pasadena Chapter and is an active member of the Health Practice and Policy Committee.  Sigi is currently a faculty member at the California State University Northridge School of Nursing.  She is the recipient of two prestigious nursing leadership awards presented to her in 2011 and 2012. Sigi is a committed care giver to her patients and mother to three boys who enjoys caring for people and educating them regarding their health care needs.
  Sigi Marmorstein RN, PHN, MSN, FNP-BC  
             
  Raquel Rissman, M.D.  

Raquel Rissman, M.D.

is a practicing pediatrician in the San Diego area.  A graduate of the Drexel University College of Medicine, class of 1999 she completed her residency in pediatrics at Children’s Hospital Orange County (CHOC). She held the position of Resident Representative for the Hospital Care Guidelines Committee.   In 2004, she began practicing in community clinics and is currently a physician at Children’s Healthcare Medical Associates.  Dr. Rissman is a Board Certified Pediatrician, member of the American Academy of Pediatrics, the American Medical Association and the California Medical Association. Kind and caring, she is an excellent addition to the MedCareLive.com team, providing online pediatric medical advice to both new and seasoned parents regarding their newborns and older children.
 
             
 

Linda J. Sevilla, M.D.

is Board Certified in Internal Medicine and subspecializes in endocrinology, diabetes and metabolism. Dr. Sevilla graduated from the Universidad de Buenos Aires (UBA) in 1992 and completed her training both in internal medicine and endocrinology at the University of Southern California (LAC-USC) Medical Center in 2002. She has extensive clinical experience and has been in private practice for the last 10 years.  She possesses vast knowledge in primary care, internal medicine and endocrinology. Dr. Sevilla is an accomplished and compassionate physician dedicated to her patient’s care.  She is fluent in both English and Spanish.
  Linda J. Sevilla, M.D.