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PLC Staff Bios



David A. Fein, MD
Internal Medicine
Medical Director

Founder of the Princeton Longevity Center, Dr. David Fein practiced general Internal Medicine in Morristown, NJ for 16 years. He has traveled extensively to research the latest medical advances to incorporate them into the Princeton Longevity Center. Dr Fein is a Founding Member of the Society for Cardiovascular CT. He lectures on topics in preventive medicine and the safe use of nutritional supplements. Dr. Fein has also been involved in developing health-related legislation in New Jersey.

Dr. Fein is on the Attending Staff at Morristown Memorial Hospital.

A graduate of Franklin & Marshall College in Lancaster, PA, Dr. Fein received his medical degree from New York University School of Medicine and was elected to the Alpha Omega Alpha Medical Honor Society. Dr. Fein completed his residency training at Bellevue Hospital- New York University Medical Center and is Board Certified in Internal Medicine.




John Rumberger , PhD, MD, FACC
Cardiac Imaging

Dr. Rumberger is recognized as the world's leading authority on cardiac and vascular imaging using EBT and CT Scanning. His notable credentials make him uniquely qualified to provide interpretation of Coronary CT Angiography. Dr. Rumberger has been Professor of Medicine and Consultant in the Department of Cardiovascular Diseases at the Mayo Clinic in Rochester, Minnesota. It was during this time that his reputation as a leader in the development and application of computed tomography (EBT) of the heart was established. He has published extensively and continues to lecture and train other physicians in the United States, Europe, and Asia. Dr. Rumberger received his doctorate in engineering from The Ohio State University in 1976 and graduated from the University of Miami School of Medicine in 1978. He completed his internship and residency in internal medicine at The Ohio State University Hospitals, and completed a cardiovascular diseases fellowship and early faculty development at the University of Iowa. Dr. Rumberger is currently Medical Director of HealthWISE in Dublin, Ohio.

During his over 20 year career as a clinician, educator, and researcher, Dr. Rumberger has published nearly 500 scientific papers and book chapters. He has lectured worldwide on EBT, early disease diagnosis, and wellness. He is an Established Investigator of the American Heart Association and a Founding Member of the International Society of Atherosclerosis Imaging. Dr Rumberger is an active Reviewer for the Journal of the American Medical Association, Archives of Internal Medicine, publications of both the American Heart Association and American College of Cardiology, and the New England Journal of Medicine.

Joe D. Goldstrich, MD, FACC
Cholesterol & Lipidology
Preventive Nutrition and Integrative Medicine

Dr Joe Goldstrich is a nationally recognized expert in cardiac prevention, nutrition and lipid management.

Dr. Goldstrich received his Doctor of Medicine degree from the University of Texas Southwestern Medical School, where he later served on the faculty. During the 40-plus years since he graduated from medical school, he has served as a physician in private practice, as national director of education and community programs for the American Heart Association, and as chief cardiologist and medical director at the Pritikin Longevity Center in California.

In addition to his expertise in preventive cardiology, Dr. Goldstrich is a leader in Nutritional and Integrative Medicine. He has authored 4 books on the use of nutritional medicine in the treatment and prevention of atherosclerosis and heart disease. Dr. Goldstrich has lectured across the country on Nutrition, Complementary Medicine and Preventive Cardiology and is a former host of a preventive medicine radio program.

Dr. Goldstrich is Board Certified in Cardiology, Internal Medicine, and a graduate of the American Heart Association Lipid Disorders Training Centers Program. In 2002, Dr. Goldstrich was certified by the Board for Nutrition Specialists and in 2005 he was designated a Diplomate of Clinical Lipidology by the American Board of Clinical Lipidology (one of only 160 U.S. physicians Board Certified in Lipidology as of 2006).

Shari Stirling, MD
Internal Medicine

Shari Stirling, MD brings almost 20 years of clinical experience to The Princeton Longevity Center.  Dr. Stirling completed her undergraduate work at the University of Pennsylvania and received her MD degree from the State University of New York Upstate College of Medicine at Syracuse.  She trained in Internal Medicine at the Graduate Hospital of the University of Pennsylvania. 

Dr. Stirling is board certified in both Internal Medicine and Emergency Medicine.  She has been involved in Graduate Medical Education and was the director of residents at St. Michael’s Medical Center.  She has particular interest in preventive health care and issues concerning women.

Yaakov Applbaum, MD
Medical Director and Acting Chairman
Department of Radiology
Capital Health System


Dr. Applbaum received his MD degree from the Albert Einstein College of Medicine. His esidency in Radiology at Maimonides Medical Center was followed by a fellowship in Interventional Radiology at the University of California at Irvine Medical Center. He previously served as Chief, Vascular and Interventional Radiology, at Staten Island University Hospital. He is board certified in Diagnostic Radiology, with Certificates of Added Qualification in both Interventional Radiology and Neuroradiology, by the American Board of Radiology (ABR.)

Ajay Choudhri, MD
Radiologist, Vascular and Interventional Radiology
Department of Radiology
Capital Health System


Dr. Choudhri received his MD degree from the New Jersey Medical School, UMDNJ, Newark. His residency in Radiology at Albert Einstein College of Medicine, Montefiore Medical Center, was followed by a fellowship in Interventional Radiology at the Miami Cardiac and Vascular Institute. He previously served as Chief, Interventional Radiology at Jackson South Hospital in Miami. He is board certified in Radiology by the ABR.


Affiliated Medical Staff:

Amin Chaoui, MD
The Center for Virtual Colonoscopy Boston Diagnostics

Dr. Amin Chaoui is an Associate radiologist at Faulkner/Brigham & Women’s hospital, Department of Radiology, Harvard University School of Medicine. A graduate of the University of Geneva School of Medicine, Dr. Chaoui's graduate training included a research fellowship in Body Imaging at University of Florida College of Medicine and a Fellowship in Body Imaging at Boston Medical Center, Boston University School of Medicine. Dr. Chaoui is certified by the American Board of Radiology. From 1999-2002, he served as the Director of the Center for Virtual Colonoscopy at Boston Medical Center and is currently Medical Director of the Boston Diagnostics Center for Virtual Colonoscopy.

Dr. Chaoui has published numerous articles and studies, as well as lectured across the USA and internationally, on Virtual Colonoscopy and other areas of radiology.

Internal Medicine/Sports Medicine

Dr. Thomas Shaffrey's field of professional expertise is Sports Medicine. He is particularly recognized for his knowledge of spinal mechanics and postural related problems. Dr. Shaffrey is active in several medical organizations, including the New Jersey Academy of Family Practice and the Medical Society of New Jersey.

Dr. Shaffrey is a graduate of Seton Hall University and the University of Pittsburgh School of Medicine with honors. He completed his residency in Family Practice in New Jersey. He is Board Certified in Family Practice


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