About
Mark E. Collins, MD has practiced internal medicine in Osterville, Massachusetts for over 20 years. He earned his undergraduate degree in Physics and English from Carnegie-Mellon University in 1985. He then completed his medical degree at the University of Connecticut in Farmington in 1989. His internship and residency in Internal Medicine both took place at the University of Pittsburgh, where he finished his training in 1992. He holds certification as a Diplomate of the American Board of Internal Medicine.
Dr. Collins focuses his clinical work on cardiovascular health, diabetes, and weight and metabolism. He is passionate about prevention and guides patients through behavior change, diet, and exercise planning before problems deepen. He maintains a hospital affiliation with Cape Cod Hospital and works closely with specialists there and at regional tertiary centers. His background includes extensive work in skilled nursing settings and lasting relationships with local visiting nurse programs. Patients consistently describe him as caring, thorough, and genuinely invested in their wellbeing.
Education & Training
Undergraduate
Carnegie-Mellon University, Bachelor of Science in Physics and English, 1985
Medical School
University of Connecticut, Farmington, CT, Doctorate of Medicine, 1989
Residency
University of Pittsburgh, Internal Medicine Residency, 1990-1992
Additional Training
University of Pittsburgh, Internship, 1989-1990
Certifications
Conditions Treated
Who is Dr. Collins right for?
Dr. Collins is a strong fit for adults seeking a primary care physician who prioritizes prevention and chronic disease management. Patients dealing with cardiovascular risk, diabetes, or weight and metabolic concerns benefit most from his clinical focus. He suits patients who value direct, personal access to their doctor at any hour. Those navigating transitions between care settings, such as hospital stays or skilled nursing, find his network of specialist and visiting nurse connections especially valuable.
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Frequently Asked Questions
Dr. Collins focuses on cardiovascular health, diabetes management, and weight and metabolism. He also manages a broad range of chronic conditions through his internal medicine practice. Prevention runs through all of his clinical work, and he guides patients on diet, exercise, and behavior change before problems advance.
Yes, Dr. Collins holds certification as a Diplomate of the American Board of Internal Medicine. He earned that credential after completing his internship and residency at the University of Pittsburgh.
Dr. Collins earned his medical degree from the University of Connecticut in Farmington in 1989. He completed both his internship and his Internal Medicine residency at the University of Pittsburgh, finishing in 1992. Before medical school, he earned a Bachelor of Science in Physics and English from Carnegie-Mellon University.
Dr. Collins has practiced internal medicine in Osterville, Massachusetts for over 20 years. That depth of experience informs his approach to both preventive care and chronic condition management.
Dr. Collins sees every patient personally. The practice does not use nurse practitioners or physician assistants. Patients interact directly with Dr. Collins at every visit.
Yes, members reach Dr. Collins by phone 24 hours a day, seven days a week. That around-the-clock access is a core part of his concierge practice model.
Dr. Collins holds a hospital affiliation with Cape Cod Hospital and collaborates with specialists there. He also works with physicians at regional tertiary centers when patients need more advanced care.
Yes, Dr. Collins has an extensive background in skilled nursing settings. He also maintains strong relationships with local visiting nurse programs, which helps patients stay well-supported across different care environments.
Doctor profile last updated March 21, 2026