Medical Advisory Board

Richard Armstrong, M.D.

Richard A. Armstrong MD FACS is a general surgeon currently practicing at Helen Newberry Joy Hospital in the upper peninsula of Michigan. Dr. Armstrong graduated from the Ohio State University School of Medicine in 1976 and completed postgraduate training in general surgery in 1981 at the Naval Regional Medical Center in Portsmouth, Virginia. After finishing Naval Service, Dr. Armstrong entered private practice in upper Michigan for 18 years. He has been in his current position for 10 years. Dr. Armstrong serves as the Chief Operating Officer of Docs4PatientCare.

Linda Girgis, M.D.

Linda Girgis, MD, FAAFP is a family physician in South River, New Jersey. She has been in private practice since 2001. She holds board certification from the American Board of Family Medicine and is affiliated with St. Peter's University Hospital and Raritan Bay Hospital. She teaches medical students and residents from Drexel University and UMDNJ. Dr. Girgis earned her medical degree from St. George's University School of Medicine. She completed her internship and residency at Sacred Heart Hospital, through Temple University and she was recognized as intern of the year. She is a blogger for Physician's Weekly and the Library of Medicine, where she is one of their featured physicians. Additionally, she is a regular guest columnist for Medcity News and HIT Outcomes and has had articles published in several other media outlets. She has been interviewed in US News and on NBC Nightly News. Dr. Girgis’ primary goal as a physician remains ensuring that each of her patients receives the highest available standard of medical care.

Andrew Wilner, M.D.

Andrew Wilner, MD graduated from Yale University and Brown University School of Medicine. He is board certified in internal medicine and neurology. He completed a fellowship in electroencephalography at the Montreal Neurological Institute, Montreal, Canada. He was medical director of the Carolinas Epilepsy Center, Charlotte, NC, and then Clinical Associate Professor of Neurology at Brown University School of Medicine, Providence, RI. Currently, he is a practicing neurologist and neurohospitalist, medical journalist,
and medical advisor for Accordant Health Services Epilepsy Disease Management Program, Greensboro, NC. Dr. Wilner and colleagues from Accordant have published papers in Epilepsy and Behavior detailing the excess cost burden of epilepsy compared to controls and highlighted the problem of comorbidities (Wilner et al. 2012, Wilner et al. 2014).

Dr. Wilner has a lifelong interest in writing fiction and nonfiction, and writes for many medical and other publications. He received the American Academy of Neurology's Creative Expression of Human Values Award (2001), the American Academy of Neurology's Journalism Fellowship for Excellence in Medical/Health Reporting (2008), and is the author of two books on epilepsy; Epilepsy: 199 Answers, 3rd Edition, and Epilepsy in Clinical Practice. He was a Section Editor for the three-volume Atlas of Epilepsies (Springer, 2010). His latest book, Bullets and Brains, a collection of over 100 essays on neurology, was published in 2013.

Dr. Wilner volunteers as the medical director of Lingkod Timog, a nonprofit medical mission organization that delivers health care to rural areas of the Philippines. For more information, see and bullets and

Andrew Rogove, M.D.

Andrew Rogove, MD is a neurologist currently practicing in Long Island, NY. He completed his M.D./Ph.D at State Univeristy of New York at Stony Brook in 2000 and his neurology residency at New York Presbyterian Hospital-Cornell. in 2005. Although he practices general neurology he has special interests in multiple sclerosis and stroke. This is currently his tenth year with Long Island Neurology, PC in Bay Shore, NY.

Cedric Cheung, M.D.

Cedric Cheung, MD graduated from Johns Hopkins University Cedric attended proceeded to attend Albert Einstein College of Medicine. Fascinated by a two foot long Ascaris worm in a jar being passed around in parasitology class, he instantly fell in love with infectious diseases. So after completing his residency in internal medicine from New York University he returned to Einstein for his ID fellowship. He stayed in the Bronx working for St Barnabas Hospital in the Designated AIDS Center caring for HIV patients. He now is the director of HIV services for MSI Professional Services in China.

Hunter Yost, M.D.

Hunter Yost, MD is board certified in Psychiatry. He graduated from the University Of Nebraska College Of Medicine in Omaha, completing his internship and residency in psychiatry at the University of Arizona Medical Center in Tucson. He is also a graduate of the Applied Functional Medicine in Clinical Practice program with the Institute of Functional Medicine. Dr. Yost is a Diplomate of the American Academy of Pain Management. He is a part time instructor with the Program in Integrative Medicine at the University of Arizona. He provides telepsychiatry services.

Sri Nalamachu, M.D.

Sri Nalamachu, MD is trained in Physical Medicine and Rehab at Temple University, Philadelphia. He is in private practice in Pain Management, Overland Park, Kansas and runs a clinical research center that focuses on developing new pain medicines and devices. He is on the faculty at Temple University, University of Kansas and University of Medicine and Bioscienses in Kansas City. Dr. Nalamachu has authored more than 100 manuscripts and abstracts. He serves on the editorial board of multiple journals and is a consultant for number of pharmaceutical companies.

Sangjin Oh, M.D.

Sangjin Oh, MD is a Board Certified neurologist with a speciality in Multiple Sclerosis. He has extensive training in all neurological diseases of adults and children. Dr. Oh received his Bachelors of Arts in neuroscience from the University of California at Los Angeles. He completed his medical degree at St. Louis University. He went on to complete his neurology residency at the University Of Maryland Medical Center. During his residency, he served as a chief resident and also received the prestigious Humanism Honors Society Award. He continued his training at the University of Maryland with a fellowship in Multiple Sclerosis and Immunology. He serves as a member of the Clinical Advisory Committee for the MS Society, Maryland chapter. What’s Up Annapolis Magazine recently selected Dr. Oh as one of the Top Docs in the Anne Arundel County area. He was named the Health Professional of the Year by the National MS Society Maryland Chapter.

Edward Chao, M.D.

Edward Chao, MD practices at the VA San Diego Healthcare System and is Associate Clinical Professor of Medicine at the University of California, San Diego. He received his medical degree from the University Of New England College Of Osteopathic Medicine. He completed residency in internal medicine at Loma Linda University Medical Center and fellowship in endocrinology and metabolism at the University of California, San Diego. Dr. Chao’s interests include diabetes research and medical education.

Roman Bronfenbrener, M.D.

Roman Bronfenbrener, MD is a dermatology resident at SUNY-Stony Brook in Long Island, NY. His primary interests are in general dermatology and cutaneous oncology, and the management of complicated medical dermatology patients. He is interested in new developments in the treatment of both common and rare dermatologic diagnoses.

Charles W. Park, M.D. FABPN

Charles W. Park, M.D. FABPN is an adult psychiatrist practicing in West Orange, New Jersey. Dr. Park graduated from the University of Missouri-Columbia in 1998 and completed his residence in general psychiatry at Mount Sinai School of Medicine in 2002. Upon completion of his postgraduate training, Dr. Park entered private practice in Northern New Jersey. His clinical practice has involved adult psychopharmacology, forensic psychiatric evaluations, and geriatric psychiatry.

Alfred G. Jonas, M.D.

Alfred G. Jonas, MD is a psychiatrist who has spent his career between the Miami area and the Boston area. Dr Jonas went to medical school at the University of Miami, trained in psychiatry and psychosomatic medicine in the Boston University system, and has lived and practiced both in Miami and in Boston. He now lives and practices in North Miami, where he plans to stay permanently. His practice is in general psychiatry, and he notes that his practice consists almost exclusively of psychotherapy, with a minor focus on pharmacotherapy.

Samuel Grief, M.D.

Samuel Grief, MD is a board-certified family physician for 22 years. A graduate of McGill University in Montreal, Canada, Dr. Grief has worked in private practice, urgent care and academic family medicine. His current appointment is associate professor of clinical family medicine at the University of Illinois at Chicago. Dr. Grief was named one of Chicago’s Top Doctors in 2012 by Chicago magazine and in 2013 one of America’s Top Doctors by Castle and Connolly. Dr. Grief’s primary interests are in obesity and endocrinology, particularly diabetes management. His most current interest is lifestyle modification and motivational interviewing, with an emphasis on promoting wellness.

Dennis Morgan, M.D.

Dennis Morgan, MD is a Medical Oncologist/Hematologist currently engaged in patient-related software development. He was the founding Medical Director of the Phoenix Community Cancer Center in Connecticut, is Past President of the Connecticut Oncology Association and Assistant Clinical Professor at the University Of Connecticut Health Center where he completed his fellowship. He is a graduate of the University Of Michigan Medical School and did an internship in pathology at the University of North Carolina, and a residency in Medicine at Cook County Hospital Chicago. He taught and did research in coagulation and cancer prior to a 25 year career in private practice during which time he served on the advisory board to the state Medicare carrier and lobbied members of Congress on cancer policy. Dr. Morgan is proud to be a former Veteran’s Administration physician.

Dipayan Sengupta, M.D.

Dipayan Sengupta is a M.D dermatologist from Kolkata, India. After completing MBBS from Calcutta National Medical College in 2012, Sengupta joined School of Tropical Medicine to pursue post-graduate studies in Dermatology, Venereology and leprosy. Apart from clinical dermatology, Sengupta has a special interest in aesthetic medicine as well. Sengupta is also a computer programmer and believes that technology will play a crucial role in the future of medicine – even more so in the developing countries.