Saba A. Hasan, MD, MACP
Program Director, Internal Medicine Residency
Associate Designated Institutional Official (DIO)
Dr. Hasan has been the Internal Medicine Residency Program director since 2008. Prior to becoming program director, she was Director of Medical and Subspecialty Clinics and Internal Medicine Residency Core Faculty at Capital Health since 2000. Dr. Hasan graduated from Sind Medical College in Pakistan in the top 5% of her class, and completed her Internal Medicine Residency training at Capital Health, followed by a Chief Resident year.
Dr. Hasan was selected as the 2026 President-elect and the 2027 President of the American College of Physicians (ACP), the largest medical specialty organization for physicians in the U.S., with more than 160,000 members in over 172 countries worldwide. She has served on the ACP and the Association of Program Directors in Internal Medicine (APDIM) committees and is the past governor for the ACP New Jersey Chapter and chair of the ACP Credentials Committee.
She was also the 2014 recipient of the prestigious ACGME Parker J. Palmer Courage to Teach Award, presented to only 10 Program Directors of accredited residencies and fellowships nationally each year. She has presented at many national and regional conferences.
Dr. Hasan enjoys nurturing residents to achieve their full potential as they get ready to become the quality and safety physician leaders of tomorrow. She has brought many changes into the program to enhance resident teaching and create an environment of scholarship.
Daniel F. Goldsmith, MD, FACP
Associate Program Director, Internal Medicine Residency
Dr. Goldsmith graduated from Cornell University Medical College and trained in Internal Medicine at Boston University. After his training, he joined Johns Hopkins Community Physicians, a community-based Internal Medicine practice where he served as a firm leader for the resident practice for three years prior to joining Capital Health in 2001.
Dr. Goldsmith mentors the residents in submitting abstracts and other scholarly activities, resulting in numerous acceptances for presentations at National and Regional Conferences every year. He has a special interest in teaching bedside physical diagnosis. Dr. Goldsmith also has an academic appointment as Clinical Assistant Professor of Medicine from Rutgers-Robert Wood Johnson Medical School. He is the Chair of the Institutional Review Board and Chair of the Continuing Medical Education Committee at Capital Health.
Dr. Goldsmith is very likely to ask you about the music you listen to, the restaurants you frequent, and what else you like to do outside of work.
Ekaterina Vypritskaya, MD, FACP
Associate Program Director, Internal Medicine Residency

Dr. Vypritskaya earned her medical degree and Cardiology training in Russia, where she worked in City Emergency Hospital and taught for 10 years.
After relocating to the U.S., she completed an Internal Medicine Residency at Capital Health, and has made it her professional home ever since. She served as Chief Resident, Core Faculty, and Associate Program Director for the Internal Medicine Residency Program and since 2022 as Program Director for the Transitional Year Residency.
She enjoys mentoring residents and students, whose curiosity and energy enrich patient care and teaching. Her work spans quality improvement and education, including projects in sepsis care, cardiovascular resuscitation, AI enhanced goals of care communication skills, nurse-physician teaming to strengthen diagnostic accuracy, and improving care for hospitalized patients with opioid use disorder through interdisciplinary teamwork. She is also dedicated to community engagement, partnering for years with the East Service Worker Association to provide health education, vaccination efforts, and connections to the resident-run free clinic.
She was honored with the Dr. Martin Epstein Award in 2022 for her service.
Delaram Moazami, MD, FACP
Director, Medical Clinics at Capital Health
Associate Program Director, Internal Medicine Residency Program
Chair, Clinical Competency Committee

Dr. Moazami is a board-certified cardiologist from Tehran University of Medical Science. At the time of her graduation, she was the recipient of the Outstanding Performance Award. Dr. Moazami completed her Internal Medicine Residency at Capital Health, graduating in June 2008. She received the award for Best Research on “Guideline Adherence for Treatment of Systolic Heart Failure at Capital Health”.
In 2009, Dr. Moazami became the Director of Medical and Subspecialty Clinics at Capital Health. She models a holistic approach to patient care, emphasizing the role of the primary care physician in patient education and shared decision making between the patient, family and physicians.
Dr. Moazami leads the “Resident Well-Being” program and supervises and leads residents' Quality Improvement projects at the ambulatory sites. She is tasked with supervising residents continuity clinics at the Capital Health Family Health Center and Capital Health – East Trenton. In 2023, Dr. Moazami was the recipient of the Dr. Martin Epstein Award for Humanitarian Service. She has a special interest in practicing and educating lifestyle medicine.
Dr. Moazami also serves as Chair of the Internal Medicine Residency Program’s Clinical Competency Committee (CCC), which is tasked with evaluating all residents’ progress in the program semi-annually. She is responsible for leading the CCC in resident milestone assessments, performance reviews, promotion recommendations, and individualized learning plans, all while ensuring compliance with ACGME requirements.
Natalia Plotskaya, MD
Core Faculty of Internal Medicine Residency Program
Dr. Plotskaya graduated from St. Petersburg State Pediatric Medical University in Russia. Following graduation, she completed her residency training in Internal Medicine at S.M. Kirov Military Medical Academy in St. Petersburg. Dr. Plotskaya then continued at the Medical Academy as an Internal Medicine Physician before relocating to the United States.
Dr. Plotskaya completed her Internal Medicine Residency training at Capital Health, where she served as Chief Resident from 2017-2018. In her position as a Chief Resident, she worked as Junior Faculty, was actively involved in clinical rounds and board review teaching sessions with residents. In June 2020, she completed a fellowship in Nephrology at the University of Pennsylvania in Philadelphia, PA. She returned to New Jersey and joined Capital Health Internal Medicine Residency as a Core Faculty member.
Her interests, in addition to practicing Internal Medicine and Nephrology, are resident education and curriculum development. Dr. Plotskaya’s special areas of interest are preventive medicine in chronic kidney disease, hypertension, and diabetic nephropathy. She actively works with residents on improving management of hypertension and preventive health screening amongst patients at the Family Health Center.
Khurram Zubair, MD, FACP
Internist with Capital Health Medical Group
Core Faculty of Internal Medicine Residency Program

Dr. Zubair graduated from Liaquat Medical College in Pakistan, ranking in the top 5% of his class. After graduating, he received training at Jinah Postgraduate Medical Center, an 1100 bed hospital, where he was also involved in teaching medical students. He completed Internal Medicine Residency training at Capital Health, where he received the “Superior Resident” award as voted by the Nursing staff. At the time of his graduation, he was recognized by the Program as “Resident of the Year”.
Since 1997, Dr. Zubair has been intimately involved with resident training at Capital Health. He has received the “Best Clinical Attending” 10 times in his time with the Program. Dr. Zubair is a member of the Clinical Competency Committee. He is actively involved in resident scholarly activities and has served as a judge for several years for Capital Health’s annual Resident Research Day.
Dr. Zubair has been running a busy outpatient practice since 1997 and is currently a Lead Physician at the Capital Health Primary Care office in Lawrenceville, NJ.
Sarah I. Sordo, MD
Internist with Capital Health Medical Group
Core Faculty of Internal Medicine Residency Program

Dr. Sordo graduated with a Gold Diploma from the Higher Institute of Medical Science in Havana, Cuba. She emigrated to the United States in 1994, and she completed her Internal Medicine training at Capital Health and worked as a fourth-year chief resident. She is the recipient of multiple awards from attending physicians and nursing staff during her training at Capital Health and was recognized as a superior medical resident.
Dr. Sordo ran a private office for 16 years before becoming a part of Capital Health Medical Group in the Primary Care – Hopewell division. She has been actively involved with resident education and training since 2001. Dr. Sordo has been a faculty member of the Internal Medicine Residency Program since 2001 and a Core Faculty Attending in the TY program since 2022. Dr. Sordo has served as ACP onsite Poster Judge and Oral Presentation Judge in both ACP Chapter Meeting and Capital Health Cancer Conference in 2024. Dr. Sordo completedan Integrative Medicine Fellowship at the Marcus Institute at Jefferson Health in Philadelphia. Her areas of interest are preventive medicine and wellness, obesity and other metabolic disorders, and women’s health. She is a member of the Breast Cancer Steering Committee representing the Primary Care Group and a member of the Wellness Committee for Capital Health Medical Group. Dr. Sordo has worked on implementing a wellness curriculum for residents to help create and sustain balance in their daily life. She has also presented this topic as a poster at a national conference.
Sara L. Wallach, MD, MACP
Vice-Chair of Education, Department of Medicine
Core Faculty of Internal Medicine Residency Program
Dr. Sara L. Wallach is the Vice-Chair of Education, Department of Medicine and Core Faculty of the Internal Medicine Residency Program. Before joining Capital Health, Dr. Wallach was Chair of Medicine and Program Director of the Internal Medicine Residency Program at St. Francis Medical Center in Trenton, NJ.
Prior to joining the St Francis Medical staff in June 2013, she was Vice-Chair and Program Director for Medicine at Monmouth Medical Center in Long Branch, New Jersey for 18 years. She served on the Association of Program Directors in Internal Medicine Council from 2009-2012 and is a former governor of the American College of Physicians New Jersey Chapter.
She is currently the co-facilitator of the Association of Program Directors in Internal Medicine Community Teaching Hospital Assembly. Her current academic rank is Professor of Medicine at Hackensack Meridian School of Medicine, and Adjunct Clinical Professor of Medicine at Drexel University College of Medicine.
Dr. Wallach is a graduate of Bryn Mawr College and earned her medical degree from SUNY Downstate Medical Center School of Medicine Brooklyn, NY. In addition to graduate medical education, her interests include thromboembolism, performance improvement, and patient safety.
Donald Christmas, MD
Core Faculty of Internal Medicine Residency Program
Dr. Donald Christmas is a Core Faculty member in Capital Health Regional Medical Center’s Internal Medicine Residency Program. He is a graduate of Ross University School of Medicine and Seton Hall –St Francis Internal Medicine Residency Program.
Before joining Capital Health, Dr. Christmas was the Associate Program Director of the St. Francis Medical Center Internal Medicine Residency Program, the Vice Chair of the Department of Medicine, as well as the Institutional Review Board Chair. He enjoys working with the residents in the inpatient rotations as well as the ambulatory clinics to prepare them for the next phase of their lives. He exemplifies his work with this quote: "The art of medicine is to be properly learned only from its practice and its exercise." – Thomas Sydenham
Anand Kaji, MD, FACP
Director, East Trenton Clinic
Core Faculty of Internal Medicine Residency Program
Dr. Anand Kaji is a board-certified Internist, Core Faculty of the Internal Medicine Residency Program at Capital Health, and Director of the East Trenton Clinic. Before joining Capital Health Dr. Kaji was Director of the St. Francis Medical Center Clinic, as well as the Assistant Program Director for the St. Francis Medical Center Internal Medicine Residency Program. Prior to that, he was an academic hospitalist at Temple University Hospital in Philadelphia.
He has earned his MD degree from St. George's University School of Medicine and completed his residency at Drexel College of Medicine/Hahnemann University Hospital. His interests lie primarily in the residency education with focus on the teaching curriculum and board preparation. He also supervises the 3rd year medical students from Drexel College of Medicine both in inpatient and outpatient settings. Lastly, he is involved in the quality improvement projects particularly in the areas of patient satisfaction both within the Internal Medicine department and in other parts of the hospital as a whole.
Muhammad A. Bashir, MD
Core Faculty of Internal Medicine Residency Program
Dr. Muhammad Asif Bashir is Core Faculty of the Internal Medicine Residency Program at Capital Health. He graduated from Nishtar Medical University, Pakistan in 2012 and completed his Internal Medicine residency from Geisinger Health System-Geisinger Commonwealth School of Medicine in 2019.
Before joining Capital Health in 2023, he practiced Hospital Medicine in West Virginia at CAMC and WVU-Camden Clark Medical Center. During this time, he was also an adjunct faculty of West Virginia School of Osteopathic Medicine and a volunteer faculty member for the WVU-Camden Clark Internal Medicine Residency program where he was a PI for various QI projects aimed at improving quality of care and cost effectiveness. He also co-authored numerous case-reports with the house staff at Camden Clark, as well as presented at regional and national meetings. He particularly enjoys teaching inpatient medicine with a strong focus on basic diagnostic skills, evidence-based medicine and high value care. His favorite quote is “medicine is a science of uncertainty and an art of probability” by William Osler.
He enjoys playing cricket and soccer, travelling, sightseeing, cooking and watching classic novel-based movies.
Natalie Han, MD, PhD
Core Faculty of Internal Medicine Residency Program
Dr. (Nwe) Natalie Han earned her PhD in Biochemistry and Molecular Biology from the Johns Hopkins University School of Medicine in 2013, where she developed live cell biosensors for signal transduction, particularly in insulin secreting pancreatic beta-cells. After a short postdoctoral fellowship expanding her efforts further in biosensor development, Dr. Han went back to medical school. She received her medical degree from St. George's University School of Medicine in 2021. She then completed her residency at HCA LewisGale Medical Center in Salem, VA, where she also served as Chief Resident in Academic Affairs during her third year of residency. In this role, she was instrumental in developing didactic curriculum and implementing the Mentorship Family Project to enhance resident education and well-being.
Dr. Han’s professional interests include hospital medicine, with a particular emphasis on integrating precision medicine with evidence-based practices to optimize patient care. She is also keenly interested in advanced technologies that enhance the clinical experience and improve patient outcomes. Dr. Han is committed to addressing health disparities and promoting better access to quality health care for all patients.
In addition to her professional pursuits, Dr. Han is open to learning new skills and improving upon them. Currently, she is teaching herself calligraphy, reflecting her commitment to personal growth and creativity. Outside of her professional life, she enjoys traveling, cooking, swimming, and hiking, which provide her with relaxation and inspiration.
Hesha Patel, MD
Core Faculty of Internal Medicine Residency Program
Dr. Patel graduated from C.U. Shah Medical College in India. Following her graduation, Dr. Patel worked as a medical officer in both a community health center and nursing home in India before moving to the United States in 2020.
Dr. Patel is a graduate of both the Capital Health Transitional Year and Internal Medicine Residency Programs, having graduated from the latter in 2025. During her PG3 year, Dr. Patel’s research project “Evaluating the Cost Effectiveness of Lower Extremity Duplex Ultrasounds in Patients with Bilateral Symptoms” was recognized as on the outstanding works of the graduating class. She looks forward to developing as an educator and inspiring future residents in their growth.
Dr. Patel likes to dance, mainly freestyle Bollywood dance, spending time with family and friends and cooking and learning how to make new dishes at home.
Ameer Abdelrahman, MD
Chief Resident/Junior Faculty, 2026-27
Dr. Ameer Abdelrahman is an international medical graduate who completed his Internal Medicine residency at Capital Health Regional Medical Center in 2026. During his third year of residency, he served as Assistant Chief Resident before continuing as a Fourth-Year Chief Resident and Junior Faculty. He has a strong interest in cardiovascular medicine, medical education, quality improvement, and resident mentorship. Outside of medicine, he enjoys hiking, soccer, fitness, and spending time with his family.
Melanie Haydu, BHA, C-TAGME
Program Manager, Internal Medicine Residency Program
Melanie serves as one of the Program Managers for the Internal Medicine Residency Program at Capital Health, where she manages all non-clinical functions an ACGME compliance for 75 active residents. Since 2014, Melanie has dedicated her expertise to ensuring smooth daily operations and supporting the expansion of Graduation Medical Education at Capital Health – including assisting with the launch of the new Psychiatry residency program at Capital, with its first class of residents having started in July 2026.
Melanie is a pioneer of administrative scholarship within her program. In 2019, she became the first Coordinator in the history of Capital Health’s IM program to receive a scholarly acceptance with her poster, “Leveraging ITE for Curricular Improvement,” at the ACGME Annual Meeting. She has since gone on to have eight additional poster presentations accepted at national meetings, including ACGME and AAIM.
Melanie earned her degree in Healthcare Administration from Drexel University and holds her C-TAGME certification, which she completed in December 2024.
Rebecca Mullowney, BA, C-TAGME
Program Manager, Internal Medicine Residency Program
Rebecca graduated from the University of Delaware with a degree in Biology. Before joining Capital Health, Rebecca was the Program Coordinator for the St. Francis Internal Medicine Residency Program. Prior to that Rebecca was the Research Coordinator and Institutional Review Board Coordinator at St. Francis, a position she continued to maintain even after her appointment as St Francis Coordinator. She previously worked in the biotechnology industry before joining St. Francis, as a Research Associate for Pharmacopeia Inc.
In her capacity as Manager, Rebecca provides direction, leadership, and day-to-day management of educational and departmental activities, assuring compliance with ACGME and hospital requirements. She has been recognized for her advocacy on behalf of resident scholarly works and resident wellness. Rebecca has supported community outreach projects and has served on a number of committees and foundations. In October 2022, Rebecca was honored with the St Francis Living Our Value Award for her work exemplifying the core values by making outstanding contributions to the medical center and the community. Rebecca currently serves as the Alliance Ambassador for the Alliance for Academic Internal Medicine (AAIM).
Rebecca recently co-presented a workshop at the 2026 AAIM Conference titled, “The AI-Enhanced CCC: Efficiency, Accuracy and Insight, highlighting innovative strategies for leveraging artificial intelligence to improve the efficiency, accuracy and quality of Clinical Competency Committee processes.
Brenda Reek
Program Assistant, Internal Medicine Residency
Brenda has been a backbone to the Residency Program for over 15 years. She truly enjoys learning about the medical world and helping residents when they ask for assistance.