About
Dr. Joseph DeRosa earned his undergraduate degree in Biology from The Johns Hopkins University in 1987. He went on to earn his Doctorate of Medicine from The Robert Wood Johnson School of Medicine, University of Medicine and Dentistry of New Jersey/Rutgers in 1991. He completed both his internship and internal medicine residency at Northwestern Memorial Hospital in Chicago, finishing in 1994. The McGaw Medical Center of Northwestern recognized him with the Webster Award for best overall senior medical resident during his final year. He holds board certification from the American Board of Internal Medicine, having passed his third certification exam in 2014 - a step he took to stay current with the latest diagnostic and therapeutic approaches in his field.
Dr. DeRosa has specialized in internal medicine and primary care for over 20 years. He is passionate about cardiac care, bone health, respiratory care, diabetes management, and fitness and nutrition. His clinical approach starts with creating an environment of comfort and trust, giving each patient his full focus during every visit. He grew up in Westfield, New Jersey and remains an active member of that community. He holds a staff position at Overlook Hospital in Summit. Earlier in his career, he served as IPA Associate Medical Director at Northwestern Internists and as a Physician Representative on the Cigna Healthcare Credentialing Committee. He earned recognition in Best Doctors in America from 2007 to 2008.
Education & Training
Undergraduate
The Johns Hopkins University, Baltimore, MD - Bachelor of Arts, Biology, 1987
Medical School
The Robert Wood Johnson School of Medicine, University of Medicine and Dentistry of New Jersey/Rutgers, Piscataway, NJ - Doctorate of Medicine, 1991
Residency
Northwestern Memorial Hospital, Chicago, IL - Internal Medicine Residency, 1992-1994
Additional Training
Internship: Northwestern Memorial Hospital, Chicago, IL, 1991-1992
Certifications
Conditions Treated
Who is Dr. DeRosa right for?
Dr. DeRosa is a strong fit for adults seeking a long-term relationship with a primary care physician. Patients managing chronic conditions like diabetes, heart disease, or osteoporosis benefit from his focused clinical approach. He works well with patients who value unhurried appointments and direct access to their doctor. Those who want proactive preventive care and thorough wellness screenings will find his practice a natural fit.
Similar Doctors Nearby
Dr. Thomas PitosciaMD
chronic disease management, hypertension, diabetes +2 more
Dr. Neil Panchal
Chronic disease management, Heart disease, Hypertension +6 more
Dr. Edward SommaMD
diabetes, obesity, cardiovascular disease +6 more
Frequently Asked Questions
Dr. DeRosa focuses on cardiac care, bone health, respiratory care, and diabetes management. He also provides fitness and nutrition counseling as part of his preventive approach. His internal medicine background allows him to manage a wide range of acute and chronic conditions for adult patients.
Yes, Dr. DeRosa holds board certification from the American Board of Internal Medicine. He passed his third certification exam in 2014 to stay current with the latest diagnostic and therapeutic developments in his field.
Dr. DeRosa earned his medical degree from The Robert Wood Johnson School of Medicine at Rutgers in 1991. He completed both his internship and internal medicine residency at Northwestern Memorial Hospital in Chicago, finishing in 1994. Northwestern's McGaw Medical Center honored him with the Webster Award for best overall senior medical resident.
Dr. DeRosa has practiced internal medicine and primary care for over 20 years. He has spent the majority of his career serving patients in Westfield and the surrounding Union County area.
Yes, Dr. DeRosa holds a staff position at Overlook Hospital in Summit, New Jersey. This allows him to coordinate care for patients who need inpatient services and to maintain continuity when hospital care is required.
Dr. DeRosa builds his care around trust, comfort, and full attention during every visit. He keeps his panel intentionally small so no patient feels rushed. His focus on prevention means he works with patients to identify and address health risks before they become serious problems.
Yes, Best Doctors in America recognized Dr. DeRosa from 2007 to 2008. Earlier in his career he served as IPA Associate Medical Director at Northwestern Internists and as a Physician Representative on the Cigna Healthcare Credentialing Committee.
Yes, Dr. DeRosa offers executive physicals as part of his practice. These appointments provide a thorough assessment of cardiovascular health, metabolic function, and other key health markers for adult patients.
Doctor profile last updated March 21, 2026