Get Directions to Neonatology Medical Group Inc: Yap Thelma E MD Get directions From * Start typing the address, then select from the list of suggested addresses. The route will be routed automatically To Neonatology Medical Group Inc: Yap Thelma E MD 33353 Yucaipa Boulevard, Yucaipa, CA 92399 +1 909-790-5071 View details Click to load map