Specialties/Areas of Care
Inpatient Pediatric Infant Care
Cliff M. O'Callahan, MD, PhD is a pediatrician at Middlesex Health Family Medicine. He is on the faculty of the Family Medicine Residency program and serves as the Director of Nurseries and Chair of the Department of Pediatrics at Middlesex.
Clinical Expertise & Compassionate Care
Dr. O'Callahan is certified by the American Board of Pediatrics. He completed his residency at the University of Washington Affiliated Hospitals/Children's Hospital Medical Center, after earning his medical degree at the University of Health Sciences/Chicago Medical School. Dr. O'Callahan also holds a PhD in biochemistry from the University of Health Sciences/Chicago Medical School.
Dr. O'Callahan offers complete primary care for children from infancy through adolescence. He partners with each patient and their guardian(s) to provide exceptional clinical care while also supporting the well-being of the entire family.
More About Dr. O'Callahan
In addition to his clinical practice, Dr. O'Callahan serves as the leader of the Global & Community Health Track at the Middlesex Health Family Medicine Residency Program. He has provided pediatric care all over the world, including in Guatemala and Rwanda.
Dr. O'Callahan is an associate professor at the Frank H. Netter School of Medicine at Quinnipiac University at the University of Connecticut School of Medicine.
Outside of his practice, Dr. O'Callahan enjoys hiking, sailing, mountain biking, reading and traveling.
Early Childhood Development
Education & Training
|Internship/Residency||University of Washington/Children's Hospital Medical Center, Seattle, WA|
|Medical School||University of Health Sciences/Chicago Medical School, North Chicago, IL|
|Doctoral Program||University of Health Sciences/Chicago Medical School, North Chicago, IL|
American Board of Pediatrics
Locations & Appointments
3 Office Locations
Middlesex Health treats patients in their emergency departments regardless of their ability to pay.
- Blue Cross & Blue Shield
- CarePartners of Connecticut
- Cigna (including Starbridge and Great West)
- Connecticut State Medicaid (Husky) A, B, C, D, Charter Oak
- Harvard Pilgrim Health Care
- Healthcare Value Management
- MHN (Behavioral Health services only)
- Northeast Health Direct
- Oxford Healthplans
- Private Health Systems (PHCS)
- United Healthcare
- United Healthcare (including Golden Rule, UMR, United Behavioral Health, United Integrated Resources)
- Value Options (Behavioral Health services only)
Is this your profile? Request a change.