About
Rachel A. O'Mara, MD, FACP brings a rigorous scientific foundation and broad clinical depth to her solo concierge practice in Chicago. She earned her BS in Chemistry from the University of Richmond in 1990 and her MS in Biochemistry and Molecular Biology from George Washington University in 1993. She then completed her MD at Northwestern University in 1998 and her internship and residency in Primary Care Internal Medicine at Yale University in 2001. She holds fellowship status in the American College of Physicians and serves as a Clinical Instructor of General Internal Medicine at Northwestern University Feinberg School of Medicine.
After residency, Dr. O'Mara joined the National Health Service Corps and spent four years in York, Pennsylvania as an internist and Medical Director of the HIV Program at York Hospital Community Health Center. She later led the HIV Program at Erie Family Health Center, where she raised clinical quality outcomes above national benchmarks on every performance measure, launched a Hepatitis C treatment program, and introduced Buprenorphine treatment on site. The federal government recognized her HIV/AIDS quality work with a formal award. Her clinical passions include internal medicine, preventive medicine, HIV/AIDS, Hepatitis C, and addiction medicine. During and after residency, she volunteered in Tanzania, Zimbabwe, Cuba, South Dakota, and Chicago's Ukrainian Village. She lives in Old Irving Park with her husband, three children, and a goldendoodle.
Education & Training
Undergraduate
University of Richmond, BS in Chemistry, 1990
Medical School
Northwestern University, MD, 1998
Residency
Yale University, Internship and Residency in Primary Care Internal Medicine, 2001
Additional Training
George Washington University, MS in Biochemistry and Molecular Biology, 1993
Certifications
Conditions Treated
Who is Dr. O'Mara right for?
Dr. O'Mara is a strong fit for adults seeking a primary care physician with deep clinical breadth. Patients managing HIV/AIDS, Hepatitis C, or addiction benefit directly from her specialized expertise. She also serves adults focused on preventive health and chronic disease management. Patients who value direct physician access and personalized hospital coordination will find her practice well-suited to their needs.
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Frequently Asked Questions
Dr. O'Mara specializes in internal medicine, preventive medicine, HIV/AIDS care, Hepatitis C treatment, and addiction medicine. She also manages chronic disease, annual wellness evaluations, and end-of-life counseling. Her clinical background spans both primary care and complex infectious disease management.
Dr. O'Mara holds fellowship status in the American College of Physicians, earning the FACP designation. She completed her residency in Primary Care Internal Medicine at Yale University in 2001. She also serves as a Clinical Instructor of General Internal Medicine at Northwestern University Feinberg School of Medicine.
Dr. O'Mara earned her MD at Northwestern University in 1998. She completed her internship and residency in Primary Care Internal Medicine at Yale University in 2001. Earlier, she earned her MS in Biochemistry and Molecular Biology from George Washington University and her BS in Chemistry from the University of Richmond.
Yes, Dr. O'Mara brings extensive HIV/AIDS experience to her practice. She directed the HIV Program at York Hospital Community Health Center and later led the HIV Program at Erie Family Health Center. Her outcomes at Erie exceeded national benchmarks on every performance measure, and the federal government formally recognized her HIV/AIDS quality work.
Yes, Dr. O'Mara treats Hepatitis C as part of her clinical focus. She launched a Hepatitis C treatment program at Erie Family Health Center earlier in her career. She continues to offer Hepatitis C treatment to members of her Chicago practice.
Dr. O'Mara is passionate about addiction medicine and treats it as a core part of her clinical work. She introduced Buprenorphine treatment at Erie Family Health Center. She integrates addiction care alongside primary and preventive medicine for her patients.
Yes, Dr. O'Mara provides personalized hospital care coordination at Northwestern Memorial Hospital, where her office is located on campus. She manages the transition between inpatient and outpatient care directly. Her members benefit from having a physician who knows their history guiding their hospital experience.
Dr. O'Mara serves adult patients across a broad range of health needs. She sees patients focused on preventive care and wellness, adults managing chronic conditions, and patients with HIV/AIDS, Hepatitis C, or addiction. Her practice also welcomes adult dependent children of members between the ages of 18 and 26.
Doctor profile last updated March 21, 2026