About
Dr. Mark Ferlan, DO, grew up in a medical family where respect for the patient-physician relationship shaped his outlook early. That foundation led him to pursue a career in internal medicine. He earned his Bachelor of Arts in History from St. Vincent College, then completed his medical degree at Philadelphia College of Osteopathic Medicine (PCOM). His residency training took place at Kettering Medical Center. Dr. Ferlan holds board certification from the American Board of Internal Medicine and maintains membership in the American Osteopathic Association.
Dr. Ferlan has practiced as a board-certified internist for more than a decade. He values time spent listening to patients and understanding their personal health goals. " He helps patients build thoughtful, personalized health strategies. When not at work, he enjoys staying active and spending time with his family.
Education & Training
Undergraduate
St. Vincent College, B.A. History
Medical School
P.C.O.M (Philadelphia College of Osteopathic Medicine)
Residency
Kettering Medical Center
Certifications
Conditions Treated
Who is Dr. Ferlan right for?
Dr. Ferlan is a strong fit for adults who want a physician focused on education and shared decision-making. Patients managing chronic conditions like hypertension, diabetes, or heart disease benefit from his thorough, relationship-first approach. He works well with individuals who want to understand their health and participate actively in their own care. His decade-plus of experience in internal medicine supports thoughtful management of complex and long-term conditions.
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Frequently Asked Questions
Dr. Ferlan specializes in internal medicine and primary care for adults. His clinical focus includes chronic disease management, preventive care, and building long-term partnerships with his patients.
Yes. Dr. Ferlan holds board certification from the American Board of Internal Medicine. He also maintains membership in the American Osteopathic Association. He earned his medical degree from Philadelphia College of Osteopathic Medicine.
Dr. Ferlan has practiced as a board-certified internal medicine physician for more than a decade. Throughout his career, he has remained focused on comprehensive, compassionate primary care.
Dr. Ferlan believes that understanding your health conditions makes you a better partner in your own care. " He listens carefully to patients and helps them develop strategies that reflect their individual goals.
Dr. Ferlan earned his undergraduate degree in History from St. Vincent College. He completed his medical degree at Philadelphia College of Osteopathic Medicine and his residency training at Kettering Medical Center.
Dr. Ferlan treats adult patients ages 18 and older at Delphi Healthcare in Bedford, New Hampshire.
Dr. Ferlan treats a broad range of adult conditions including hypertension, diabetes, heart disease, and chronic illness. He emphasizes preventive care and helps patients build long-term wellness strategies tailored to their individual needs.
Yes. Delphi Healthcare schedules complimentary 15-minute meet-the-doctor visits for prospective patients. This gives you time to speak with Dr. Ferlan directly before deciding to enroll.
Doctor profile last updated June 11, 2026