About
Diana Tyler Rocks, DO, FACOI, is a board-certified internal medicine physician practicing in Horsham, Pennsylvania. She earned her Bachelor of Arts in Biology, Magna Cum Laude, from LaSalle University in Philadelphia. She then completed her Doctor of Osteopathic Medicine degree at Philadelphia College of Osteopathic Medicine in 2009, followed by her internship and residency in Internal Medicine at the same institution through 2012.
Early in her career, Dr. Rocks served as Stroke Team Physician Director at Roxborough Memorial Hospital from 2014 to 2017. She also served on the hospital's Credentialing Committee and held active teaching roles at both Roxborough Memorial and Chestnut Hill Hospital. She holds fellowship status in the American College of Osteopathic Internists and maintains memberships in the American Osteopathic Association and the Pennsylvania Osteopathic Medical Association. Dr. Rocks is passionate about preventive medicine, women's health, and helping patients manage chronic conditions such as diabetes and hypertension. She approaches every visit as a partnership, educating patients so they can participate fully in their own healthcare decisions. Patients consistently describe her as calm, thorough, compassionate, and fully present during every appointment.
Education & Training
Undergraduate
LaSalle University, Bachelor of Arts in Biology, Magna Cum Laude, 2004
Medical School
Philadelphia College of Osteopathic Medicine, Doctor of Osteopathic Medicine, 2009
Residency
Internal Medicine, Philadelphia College of Osteopathic Medicine, 2010-2012
Additional Training
Advanced Cardiovascular Life Support (ACLS); Basic Cardiac Life Support (BCLS); Fellowship, American College of Osteopathic Internists (FACOI)
Certifications
Conditions Treated
Who is Dr. Rocks right for?
Dr. Rocks is a strong fit for adults who want a physician deeply involved in their long-term health. Patients managing diabetes, hypertension, or other chronic conditions benefit from her focused, individualized approach. Women seeking a physician attentive to their specific health needs will find her clinical focus directly relevant. Patients who value direct physician access and same-day availability will appreciate her concierge model. Those who want a partner in their healthcare decisions, not just a provider, will thrive under her care.
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Frequently Asked Questions
Dr. Rocks focuses on internal medicine, preventive medicine, women's health, and chronic disease management. She has particular expertise in diabetes and hypertension. She works with adult patients across a broad range of conditions, developing individualized care plans for each member.
Yes, Dr. Rocks holds board certification from the American Board of Internal Medicine. She also holds fellowship status in the American College of Osteopathic Internists and maintains memberships in the American Osteopathic Association and the Pennsylvania Osteopathic Medical Association.
Dr. Rocks earned her Doctor of Osteopathic Medicine from Philadelphia College of Osteopathic Medicine in 2009. She completed her internship and residency in Internal Medicine at the same institution through 2012. Before medical school, she graduated Magna Cum Laude from LaSalle University with a degree in Biology.
Dr. Rocks sees every patient personally. The practice does not use nurse practitioners or physician assistants for patient visits. Members receive direct, continuous care from Dr. Rocks at every appointment.
Yes, Dr. Rocks provides 24/7 direct physician access to her members. Patients can reach her by phone after hours and on weekends. This direct access is a core part of the concierge membership.
Dr. Rocks treats every visit as a partnership. She takes a whole-person approach that addresses mind, body, and spirit together. She prioritizes patient education so that each person can participate fully in their own healthcare decisions. Patients consistently describe her as calm, thorough, and compassionate.
Yes, Dr. Rocks served as Stroke Team Physician Director at Roxborough Memorial Hospital from 2014 to 2017. She also held active teaching roles at Roxborough Memorial and Chestnut Hill Hospital and served on the hospital's Credentialing Committee.
Dr. Rocks is passionate about women's health and incorporates it as a central part of her clinical focus. She addresses preventive screenings, chronic disease risk factors specific to women, and overall wellness planning. Her comprehensive wellness program includes screenings tailored to each member's individual health profile.
Doctor profile last updated March 21, 2026