The physicians at Roxbury Pediatrics are committed to providing patients with appropriate anticipatory guidance and evidence-based treatments. Our pediatricians partner with families to provide thoughtful, evidence-based care for our patients from birth through adolescence. ​


Each doctor is Board Certified in Pediatrics and on staff at Cedars Sinai Medical Center.  

Roxbury Pediatrics is proud member of the CHLA (Children's Hospital - Los Angeles) Health Network.

Dr. Kimberly Klausner graduated from UCLA Medical School after earning her Bachelor's degree from Northwestern. She completed her pediatric residency at Children’s Hospital Los Angeles. Dr. Klausner is a fellow of the American Academy of Pediatrics. She was the president of the Los Angeles Pediatric Society in 2015 and currently serves on their Board of Directors.


Dr. Klausner values the importance of her relationship with patients and their families.  She provides individualized care throughout the child's life; working collaboratively with parents to make the best choices for the health and well-being of their children.  Dr. Klausner takes great joy in caring for her patients from birth till college

(and sometimes beyond).


Outside the office, she can be found baking tasty treats with her two children or engrossed in a good book.

Dr. Guy Efron earned his Medical Degree from Tel Aviv University, Sackler Faculty School of Medicine after receiving a Bachelor’s Degree in History from the University of California at Berkeley. He completed his residency in Pediatrics at the highly acclaimed Children's Hospital Los Angeles.

Dr. Efron is an active member of the American Academy of Pediatrics and was given the distinguished honor of being named Cedars-Sinai’s Pediatrician of the Year, 2008.

Dr. Guy Efron is an extremely well trained pediatric physician who treats his patients with the same care and sensitivity he provides for his own children. He demonstrates his passion for personal care by visiting newborns in the hospital within a day of their birth and by making sure that everyone who calls his office can speak to him personally.

Dr. Tiffany Jumaily

Dr. Tiffany Jumaily earned her medical degree from Boston University School of Medicine after studying Biology at Boston University. She completed her pediatric residency at Brown University. She is a fellow of the American Academy of Pediatrics.


Dr. Jumaily understands the importance of overall wellness to health, and her evaluations address the contribution of environmental and lifestyle factors. Dr. Jumaily partners with families to develop tailored treatment plans that are safe and effective. She educates and empowers teenagers in advocating for themselves and making healthy and safe choices.



In her spare time, she loves a good Crossfit workout, bicycling around town, and enjoying the beautiful outdoors with her husband and 2 daughters.

Dr. Kimberly Klausner

Dr. Guy Efron