Internal Medicine Faculty

Cecilia Smith

Cecilia Smith, DO, FACP

Chair, Department of Medicine

Dr. Smith is a graduate of Villanova University and the Philadelphia College of Osteopathic Medicine. She completed a residency in Internal Medicine at The Hahnemann Medical College and Hospital (now Drexel University) and a Pulmonary and Critical Care Fellowship at the University of California, San Diego School of Medicine and Medical Center. Dr. Smith was a Professor of Medicine at the University of California, San Diego, Section of Pulmonary and Critical Care Medicine before joining the Department of Medicine at Reading Hospital in 2004. Dr. Smith is an educator in pulmonary medicine. Dr. Smith's professional interest includes interstitial lung diseases and pulmonary arterial hypertension. She is a Clinical Professor of Medicine at the Sidney Kimmel Medical College at Thomas Jefferson University.

Benjamin Llloyd

Benjamin J. Lloyd, MD, FACP

Program Director, Internal Medicine Residency Program

Dr. Lloyd is a graduate of the Hahnemann University School of Medicine and Reading Hospital’s Categorical Medicine Residency. After serving as chief medical resident, he entered private practice for two years before helping form the department’s Faculty Practice, integral to teaching primary care skills to residents and medical students. Board certified in internal medicine, Dr. Lloyd is clinical associate professor of medicine at the Sidney Kimmel Medical College at Thomas Jefferson University. He is engaged full time as faculty member specializing in inpatient teaching and simulation training.

Ronald Herb

Ronald K. Herb, DO, FACP

Director of Osteopathic Medical Education

Dr. Herb is a graduate of Philadelphia College of Osteopathic Medicine and Reading Hospital’s Internal Medicine Residency Program. He is certified by the American Board of Internal Medicine and the American Osteopathic Board of Internal Medicine. He serves as a Clinical Instructor in the Department of Internal Medicine at Philadelphia College of Osteopathic Medicine. His current professional interests include teaching residents and medical students in the ambulatory care setting. He is Site Director of the Primary Care Track located at the Berkshire Heights campus. Dr. Herb is involved in several committees that promote optimal treatment of chronic illness. Dr. Herb served on the board of Directors of Reading Health Physician Network from 2015-17.

Eugene York

Eugene P. York, MD, FACP

Program Director, Transitional Year Residency Program

As TY Program Director, Dr. York brings a broad range of experience to the Tower Health System Transitional Year, with background as chief resident, outpatient residency director, private practice physician, Chair of Medicine, Chief of Medicine, urgent care director, head hospitalist, and student clerkship director. He has received Teacher of the Year Awards at Penn State University, University of South Florida, Lehigh Valley Health System, Pinnacle Health, and Community General Osteopathic Hospital. Dr. York was recipient of the Osler Award at Lehigh Valley Medical Center, the Nirav Patel Humanitarian Award at Tower Health System, Veterans Administration commendation, and was named a Healthcare Hero by the Lehigh Valley Business Journal. He founded the Street Medicine program for the homeless of Berks County, the Internal Medicine Bedside Ultrasound Program, and has published in clinical medicine as well as medical history, including the "The Trilogy of Medicine: Medicine Past, Present and Future.”  Other interests include learning and memory systems, high value cost conscious care, bedside ultrasound, wilderness medicine, and alternative medicine. Dr. York would like to welcome you to the Tower Health System family.

Ryan Zimmerman

Ryan Zimmerman, DO

Program Director, Osteopathic Medicine

Dr. Zimmerman is a graduate of Elizabethtown College and Edward Via College of Osteopathic Medicine (VCOM-Virginia). He completed his Internal Medicine Residency at Reading Hospital, and then served as Chief Resident/Junior Faculty member. Currently, he is Program Director of Osteopathic Medicine at Tower Health - Reading Hospital Internal Medicine Residency; the program was awarded Osteopathic Recognition by the ACGME during his tenure. He is a member of the ambulatory medicine faculty and is an Assistant Professor of Medicine at Drexel University College of Medicine (DUCOM) and adjunct Clinical Assistant Professor of Medicine at the Sidney Kimmel Medical College at Thomas Jefferson University. Dr. Zimmerman is a Diplomate of the America Board of Internal Medicine and the American Osteopathic Board of Internal Medicine.  His professional interests include student and resident education, incorporation of osteopathic principles into general internal medicine practice, ambulatory management of complex medical patients with chronic disease, and maintaining focus on humanism within the patient-physician relationship. He lives in Reading, PA., with his wife, Lisa Zimmerman, DO, and sons, George and Henry.

Anthony Donato

Anthony A. Donato, Jr., MD, MHPE

Associate Program Director, Inpatient Medicine

Dr. Donato completed his undergraduate work at Georgetown University and Medical School at the University of Pittsburgh School of Medicine on a scholarship program with the United States Air Force. Following completion of an Air Force Internal Medicine residency and teaching military residents and students as a Clerkship Director for Uniformed Services University, he joined Reading Hospital Internal Medicine Faculty in 2001. He continued his pursuit of improving his teaching skills with his completion of a General Internal Medicine Fellowship at the University of North Carolina at Chapel Hill in 2005 and completed a Master of Health Professions Education program through the University of Illinois at Chicago in 2012. His professional interests involve direct observation techniques and deepening apprenticeship models of resident development through innovative educational techniques. He currently serves as Associate Program Director of Internal Medicine, teaches residents on the inpatient wards, and is a Professor of Medicine at the Sidney Kimmel Medical College at Thomas Jefferson University.

Krysta Brown

Krysta Brown, DO

Assistant Ambulatory Student Clerkship Director

Dr. Brown is a graduate of Franklin and Marshall College and the Philadelphia College of Osteopathic Medicine. She completed a residency with the Reading Hospital Internal Medicine Residency Program and served as Chief Resident/Junior Faculty Member. She joined the Internal Medicine Practice as a full-time residency faculty following the completion of her residency. Dr. Brown’s professional interest include high value cost conscious care, ambulatory medical education and the role of nutrition and dietary changes to prevent and reverse chronic disease.  She is a member of the Gold Humanism Honor Society and received the PCOM Excellence in teaching award in 2017.

Jeremy Ellis

Jeremy Ellis, MD

Inpatient Faculty

Dr. Ellis completed his undergraduate work at the University of Pittsburgh prior to his medical education at the Sidney Kimmel Medical College at Thomas Jefferson University. He graduated from residency at Lehigh Valley Health Network and is very excited to have joined the faculty at Reading Hospital. His professional interests focus on resident education and quality improvement initiatives.

Sarah Luber

Sarah Luber, DO

Tower Health Wellness Medical Director and Inpatient Faculty

Dr. Luber is a graduate of Lake Erie College of Osteopathic Medicine and Reading Hospital’s Internal Medicine Residency Program. After serving as chief medical resident, she joined the Internal Medicine Faculty with an Inpatient clinical focus.  Dr. Luber is co-founder and active core member of the Reading Hospital Street Medicine Program, providing free care to the homeless of Berks County.  Additionally, she holds an appointment as Tower Health Wellness Medical Director, with strong interest in population health and resiliency training. She is also involved in International Medical Missionary work and has developed a curriculum for an International Elective within the IM program.

Neha Majmudar

Neha Majmudar, MD

Outpatient Faculty

Dr. Majmudar is a graduate of George Washington University Medical School and Yale Primary Care Internal Medicine Residency. She is board certified by the American Board of Internal Medicine. Previously, Dr. Majmudar worked at the VA hospital in East Orange, N.J., and was affiliated with UMDNJ-New Jersey Medical School. Her interests include outpatient medicine with focus on women’s health. She is a Clinical Assistant Professor of Medicine at the Sidney Kimmel Medical College at Thomas Jefferson University.

Izza Mir

Izza Mir, DO

Chief Resident/Junior Faculty

Dr. Mir is a graduate of The Rowan School of Osteopathic Medicine. She completed residency training in Internal Medicine at Reading Hospital, Tower Health System, in 2019. She is honored to serve as Chief Resident/Junior Faculty for the 2019-2020 academic year with a focus on medical education and curriculum development. After her chief year, she looks forward to joining the hospitalist team at Reading Hospital.

Lisa Motz

Lisa M. Motz, MD, FACP

Student Clerkship Director & Inpatient Faculty

Dr. Motz is a graduate of Moravian College and Temple University School of Medicine. She completed her Internal Medicine residency at Reading Hospital, where she also served as Chief Resident prior to joining the faculty in 2000. As Clerkship Director, she enjoys teaching and mentoring medical students who rotate through the Department of Medicine and its subspecialties and working with our affiliated medical schools to improve undergraduate medical education. She is a Clinical Assistant Professor at the Sidney Kimmel Medical College at Thomas Jefferson University and holds an adjunct faculty appointment at Philadelphia College of Osteopathic Medicine. She serves as a key academic hospitalist member of our faculty, teaching regularly on the inpatient medicine service.

  • 2011 Dean's Award for Excellence in Education - Jefferson Medical College - Medicine
  • 2011 Leon Peris Memorial Award for Teaching - Jefferson Medical College
Jonathan Nesfeder

Jonathan Nesfeder, DO 

Associate Program Director, Outpatient Medicine

Dr. Nesfeder is a graduate of The Pennsylvania State University and Nova Southeastern College of Osteopathic Medicine. He completed residency training in Internal Medicine as a member of the Primary Care Track at Reading Hospital, Reading Health System in 2016. Following his Chief Resident/Junior Faculty year, Dr. Nesfeder remained with the program and is currently serving as Associate Program Director of Ambulatory Medicine and Medical Director of The Reading Hospital Internal Medicine Practice. His professional interests include medical education, ambulatory chronic disease management, and the integration of technology and patient care delivery.

Susmita Paladugu

Susmita Paladugu, MD

Assistant Ambulatory Student Clerkship Director

Dr. Paladugu is a graduate from SVS Medical College, NTR University of Health Sciences, India. She completed her Internal Medicine Residency from Mercy Catholic Medical Center, Philadelphia in 2012. She has been working as Hospitalist teaching Internal Medicine Residents at Reading Hospital. She is excited to join Faculty and serve as Assistant Clerkship Director. Her career interests include medical education, incorporating scientific theories into teaching practices, curriculum development and especially point-of-care Ultrasonography.

Shoja-Rahimian

Shoja S. Rahimian, DO

Chief Resident/Junior Faculty

Dr. Rahimian is a graduate from University of Pittsburgh at Johnstown and Lake Erie College of Osteopathic Medicine. He completed his residency at the Reading Hospital Internal Medicine Residency Program in 2019. He is honored to continue at Reading Hospital as Chief Resident/Junior Faculty. His professional interests include medical education and curriculum development and the field of Hematology/Oncology.

Bryan Romero

Bryan J. Romero, DO

Outpatient Faculty

Dr. Romero received his undergraduate degree in Religious Studies from Franklin and Marshall, went on to graduate from PCOM with a DO degree and Reading Hospital Internal Medicine Residency Program. He was voted Resident of the Year in 2012. He is a diplomat of the American Board of Internal Medicine and American College of Osteopathic Internists. He serves as Clinical Instructor for the residency program and a mentor to medical residents and students. Dr. Romero and his residents work on Quality Improvement research in their office and reach out to community education programs. He also has an interest in addiction medicine and works as a physician in a local addiction treatment center.

Debra Zimmerman

Debra A. Zimmerman, DO

Outpatient Faculty

Dr. Zimmerman is a graduate from Penn State University and Lake Erie College of Osteopathic Medicine. She completed her Internal Medicine Residency at Reading Hospital. After serving as Chief Resident, Dr. Zimmerman entered private practice for six years and now serves as a Clinical Instructor for the Internal Medicine Residency Primary Care Track. She is board certified in Internal Medicine. Her interests include ambulatory medicine with a focus on preventative health.