Marc J. Kleinberg is remembered as a respected physician and a devoted member of the Deerfield and greater Chicago, Illinois community. Known professionally as Marc Joshua Kleinberg, MD, he built a career grounded in compassion, integrity, and a deep commitment to patient care, leaving a lasting impression on colleagues and those he served.
Throughout his medical career, Dr. Kleinberg earned recognition for his clinical excellence, thoughtful approach, and the trust he built with patients and families. His skills as a physician were matched by his ability to listen, to explain with clarity, and to treat every individual with dignity and respect. His education and training provided the foundation for a life of service in medicine, and he carried those values proudly throughout his work in the Chicagoland area, including Deerfield and Buffalo Grove.

Beyond his professional life, Marc was known for his warm personality, steady encouragement of others, and the genuine connections he formed. He valued family, friendship, and giving back, and he carried those priorities into every part of his life. Those who knew him often speak of his kindness, humility, and quiet strength.
Marc Joshua Kleinberg, MD, passed away on November 28, 2025. His passing has left a profound void in the lives of those who loved him and the community he faithfully served.
Those wishing to honor his memory are encouraged to reflect on his legacy of compassion, support his family in thought and prayer, and continue the spirit of care and service he embodied.