About
Dr. Jeff D'Amico, DO brings nearly two decades of patient care in Elmhurst, Illinois to his own practice. He began his medical education at Iowa State University, where he studied athletic training before moving into medicine. He earned his medical degree from the Chicago College of Osteopathic Medicine and completed his residency at Northwestern University in Evanston. He holds board certification in internal medicine.
Dr. D'Amico is passionate about longevity science, functional diagnostics, and proactive preventive care. He approaches hormone replacement, GLP-1 therapy, and peptide therapy with the same rigor he applies to traditional internal medicine, monitoring bloodwork closely alongside any advanced treatment. He holds staff privileges at Advocate Good Samaritan Hospital and maintains alignment with Endeavor Healthcare. His care philosophy centers on time, trust, and tenacity. Patients consistently note that he listens carefully, asks the right questions, and treats the whole person rather than isolated symptoms.
Education & Training
Undergraduate
Iowa State University, Athletic Training
Medical School
Chicago College of Osteopathic Medicine
Residency
Internal Medicine, Northwestern University in Evanston
Certifications
Conditions Treated
Who is Dr. D'Amico right for?
Dr. D'Amico is a strong fit for adults who want a proactive, prevention-first approach to primary care. Patients interested in hormone optimization, GLP-1 therapy, or peptide therapy benefit from his evidence-based approach to advanced treatments. Those managing chronic conditions will find thorough monitoring and close follow-up. Adults seeking executive-style physicals, cognitive screening, or genomic testing also align well with his clinical scope.
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Frequently Asked Questions
Dr. D'Amico specializes in internal medicine, functional medicine, and preventive medicine. He integrates longevity science and functional diagnostics into his practice alongside traditional primary care. His clinical interests include hormone replacement therapy, GLP-1 therapy, peptide therapy, and advanced genomic testing.
Yes. Dr. D'Amico holds board certification in internal medicine. He earned his medical degree from the Chicago College of Osteopathic Medicine and completed his residency at Northwestern University in Evanston.
Dr. D'Amico studied athletic training at Iowa State University before earning his DO from the Chicago College of Osteopathic Medicine. He then completed his residency in internal medicine at Northwestern University in Evanston.
Dr. D'Amico applies the same clinical rigor to advanced therapies that he brings to traditional internal medicine. He monitors bloodwork closely throughout any hormone replacement, GLP-1, or peptide therapy protocol. He evaluates evidence carefully before incorporating any new treatment into a care plan.
Yes. Longevity medicine and preventive care are central to Dr. D'Amico's practice. He offers executive-style physicals, cognitive screening, genetic screening through OpenDNA, gut microbiome testing, and functional diagnostics. He focuses on identifying and addressing health risks before they become serious conditions.
Dr. D'Amico holds staff privileges at Advocate Good Samaritan Hospital. He also maintains alignment with Endeavor Healthcare.
Dr. D'Amico centers his care philosophy on time, trust, and tenacity. He listens carefully, asks detailed questions, and treats the whole person rather than isolated symptoms. Patients receive direct access to him and same-day or next-day appointments.
Yes. Dr. D'Amico manages a wide range of chronic conditions as part of his internal medicine practice. He monitors patients closely and uses functional diagnostics to inform treatment decisions. Both insurance-based patients and concierge members can access his chronic disease management services.
Doctor profile last updated March 21, 2026