David Lyu, MD

Board-Certification: Internal Medicine
Nephrologist
Speaks Mandarin

Dr. Lyu is a committed internal medicine physician who values compassion, cultural sensitivity, and clinical excellence. With a strong foundation in medical education, research, and patient care, he strives to deliver the highest standard of treatment to every individual he serves. Fluent in English and Mandarin Chinese, Dr. Lyu takes a collaborative, patient-centered approach, ensuring that diverse communities feel heard and supported. His dedication to lifelong learning, leadership development, and the thoughtful use of technology reflects his passion for advancing medicine and improving patient outcomes.


Dr. Lyu completed his Internal Medicine residency at MercyHealth in Rockford, Illinois, gaining extensive experience managing a diverse patient population. Before residency, he worked as a USMLE tutor, helping future physicians build a strong foundation in medical knowledge and clinical skills. He earned his Doctor of Medicine degree from National Yang-Ming University in Taipei, Taiwan.

Throughout his medical career, Dr. Lyu has contributed to the field through scholarly research and case reports.

  • Presented at national meetings such as the NKF Spring Clinical Meeting
  • Published on rare and challenging conditions in leading medical journals
  • American College of Physicians
  • American Society of Nephrology

Dr. Lyu is fluent in English and Mandarin Chinese, allowing him to provide culturally sensitive, patient-centered care.

Beyond clinical practice, Dr. Lyu has pursued leadership development through programs such as the Nephrology Business and Leadership University. He is also Epic-certified as a SmartUser, demonstrating his commitment to using technology to improve patient care.

973-672-8573