Ada Cuellar MD

Ada Cuellar, M.D., is an emergency medicine physician in Harlingen, Texas. She earned her medical degree from the University of Texas Medical Branch School of Medicine and completed residency training in emergency medicine at Temple University Hospital. Dr. Cuellar is board certified by the American Board of Emergency Medicine. In clinical practice, Dr. Cuellar provides comprehensive evaluation and treatment for a wide range of urgent and emergent conditions, with a focus on timely decision-making, stabilization, and coordination of care for patients who require specialty consultation or hospital admission. She is associated with Exceptional Emergency Center, where she contributes to high-acuity, fast-paced emergency care and supports patients across the full spectrum of medical and traumatic presentations. Dr. Cuellar holds medical licensure in Texas and has also maintained additional state licensure outside of Texas. She is enrolled in Medicare’s PECOS program and is eligible to order and refer services for Medicare beneficiaries. Her approach emphasizes patient safety, clear communication, and efficient, evidence-based care in the emergency setting.