Geriatric Division Faculty
Mohammed Samiuddin, MD
Geriatric Fellowship Director
Dr. Mohammed Samiuddin is an assistant professor and is the program director of the Mary E. Bivins Geriatric fellowship. He received his Doctor of Medicine degree from Deccan College of Medical Sciences in Hyderabad, India. Dr. Samiuddin then completed both his residency training in Family Medicine and his geriatric fellowship here at Texas Tech University Health Sciences Center in Amarillo.
Dr. "Sami" enjoys treating patients of all ages and has special interest in the acute care of the elderly. He is a member of the American Academy of Family Physicians, American Geriatric Society, and the American Medical Directors Association. He is board certified in Family Medicine and holds a certificate of added qualifications in geriatrics jointly issued by the American Board of Family Medicine and the American Board of Internal Medicine.
Ravindra M. Bharadwaj, M.D.
Geriatrics Clerkship Director
Dr. Ravindra (Ravi) M. Bharadwaj joined as Associate Professor in the Division of Geriatrics, at Texas Tech University Health Sciences Center, in September of 2012. Dr Bharadwaj is Clerkship Director-Geriatric Rotation of medical students. He came from Indiana and Purdue Universities in Indianapolis where he pursed a MPH from Indiana University in epidemiology and biostatics.
Dr. Bharadwaj graduated from Lucknow Christian College in Lucknow, India, with a degree in physics. He continued his education at King George’s Medical College in India, where he earned his medical degree and completed his residency training in internal medicine. Dr. Bharadwaj continued his training at the Kingsbrook Jewish Medical Center in New York before moving to the Loyola University/Hines VA Hospital in Illinois where he completed a Geriatric Fellowship.
Dr. Bharadwaj is board certified in geriatrics and internal medicine. He is currently a member of the American Geriatric Society, American College of Physicians-American Society of Internal Medicine and the Association of Physicians of India.
Dr. Bharadwaj’s interests include Internal Medicine and Geriatrics care with special focus on Alzheimer’s disease treatment and research.
Dr. Bharadwaj spends his free time with family and playing Tennis. Dr. Bharadwaj is married and blessed with two daughters.
Suhasini Nadesan, M.D.
Endowed Chair of Geriatric Oncology
Harrington Cancer Center
Suhasini (Sue) Nadesan, M.D. has been practicing medicine for more than 40 years. She has had assignments as a fellow and attending physician at Beth Israel Medical Center,a medical officer with the US Peace Corps and a medical investigator in the state of New York. She managed a solo practice specializing in Internal Medicine, Medical Oncology and Geriatrics since 1989. She has expertise in Hospice and Palliative Medicine. She is board certified in Internal Medicine, Medical Oncology, Hematology, and Geriatrics. She is a diplomat of the American Board of Internal Medicine. Dr. Nadesan received her medical degree from the University of Madras in Chennai, India in 1970. She completed residency at the University Hospital, State University of New York in Stony Brook, NY. Dr. Nadesan is holds a position as the Harrington Cancer Center.
Joan Riker, MD
Thomas E. Creek Veterans Administration Medical Hospital
Dr. Riker is a Clinical Assistant Professor in the Department of Family and Community Medicine. Dr. Riker is Board Certified in Internal Medicine and Geriatrics She currently holds a position at the Thomas E. Creek Veteran's Administration Medical Center.
Harold Werner, MD, F.A.C.E.
Harold Werner, M.D., FACE, joined the faculty at Texas Tech Amarillo in 1992. He is currently Professor in the Department of Internal Medicine, and Associate Professor in the Texas Tech School of Pharmacy. Prior to coming to Texas Tech, Werner was director of the Diabetes Center at the Ozarks Medical Center, West Plains, Missouri.Dr. Werner has a Master of Arts in Biochemistry from the University of South Dakota and his medical degree from Northwestern University in Chicago, followed there by internship, residency in Internal Medicine, and an Endocrine fellowship. He completed research fellowships at Washington University Medical School in St. Louis and McGill University Medical in Montreal.Dr. Werner is board-certified by the American Board of Internal Medicine in the specialties of Internal Medicine, Endocrinology - Metabolism, and Geriatrics. He is a Fellow of the American College of Endocrinology and a charter member of the Texas Tech Teaching Academy. Dr. Werner holds memberships in the Potter-Randall County Medical Society, Texas Medical Association, and the American Association of Clinical Endocrinologists. He has numerous publications to his credit. His latest book, Werner's Office Diagnosis, is an original approach to that subject. Dr. Werner was awarded the Presidents' Excellence in Teaching Award in 1995. Outside Texas Tech, Dr. Werner has served on the boards of the Amarillo International Club, Amarillo Heart Association and the Amarillo Symphony.
Eric MacLaughlin, Pharm.D., FCCP, BCPS
Professor and Head of Adult Medicine
School of Pharmacy
Dr. Eric MacLaughlin is a Professor in the Department of Family Medicine and is a clinical pharmacist. He is also a Professor and Division Head of Adult Medicine in the Department of Pharmacy Practice and is a Professor in the Department of Internal Medicine, Geriatrics Division. He received his B.S. in Pharmacy from Albany College of Pharmacy in Albany, New York, a Pharm. D. from the Medical University of South Carolina in Charleston, South Carolina, and completed an American Society of Health-System Pharmacists (ASHP) accredited specialty residency in Primary Care at the University of Colorado in Denver, Colorado.
Dr. MacLaughlin is the author of over 35 peer-reviewed publications. He has been involved with several research studies conducted within the department. His scholarship and research interests include prevention and of treatment of osteoporosis, health professions education, and optimizing management of cardiovascular diseases (e.g., hypertension, hyperlipidemia, congestive heart failure).
Margaret Dean, R.N, M.S.N, GNP,FAANP
Faculty Associate, School of Medicine
Assistant Professor, School of Nursing
Margaret Dean has worked as a geriatric nurse practitioner since 1993 in rural and urban Panhandle clinics. She has taught graduate nursing students for the past 13 years with the last year and a half at TTUHSC. She was the first dual School of Medicine and Nursing faculty. She provides primary care for adults ages 55 and older in Internal Medicine. She also completes mental and physical evaluation for the Department of Family and Protective Services many of which are for vulnerable homebound elderly. She takes medical and graduate nursing students with her to home visits and ambulatory care. Margaret participates in ongoing geriatric research projects, community and professional education. Marge was recently inducted as a 2011 Fellow of the American Academy of Nurse Practitioners.
John Rush Pierce, Jr., M.D., MPH, FACP
John Rush Pierce, Jr., M.D., MPH, FACP, grew up in Texas and graduated with an undergraduate degree in Chemistry from Southern Methodist University in Dallas. He obtained his M.D. in 1977 from the University of California, San Francisco, where he was elected to Alpha Omega Alpha Honor Medical Society. He subsequently did an internship and residency at Vanderbilt University Medical Center in Nashville where he was Chief Resident. He received an M.P.H. from the Medical College of Wisconsin.
Dr. Pierce had been the Local Health Authority for the Amarillo-Bi-City-County Health District from 1995-2009. He is currently an Associate Professor in the Division of Internal Medicine at the University of New Mexico Health Sciences Center. In 1997 he received the James E. Peavy Memorial Award from the Texas Public Health Association for distinguished contributions to public health in Texas. He is currently Chief of the Division of Preventive Medicine for the Amarillo campus. He has been actively involved in developing preventive medicine curriculum for medical students, primary care residents, and primary care practitioners. He has been active in the Texas Medical Association, the American College of Physicians, and the American Public Health Association. Dr. Pierce's research interests include organizational issues of local public health departments, and population based strategies for control of communicable diseases and poor health behaviors. Dr. Pierce is board certified in internal medicine, geriatrics, general preventive medicine and public health. He is married and has four children. He enjoys gardening, photography, hiking, and jogging.
Daksha B. Khandheria, M.D
Dr. Khandheria is board certified in Internal Medicine, Geriatrics and Palliative Care. She is a member of the American Geriatrics Society. Her special interests are in palliative care, nursing home patient care, and the treatment of patients with Alzheimer's disease. In the past, Dr. Khandheria has served as the Medical Director of the VA Geriatrics and extended care service. She has received many honors and awards including the George Kollmar Award, the Best Intern of the Year Award, and Gold Medal for 1st rank among Women, Internal Medicine, and from the Gujarat University, India. She completed her residency and Geriatric Fellowship at Texas Tech University Health Sciences.
Geriatric Education Center