Kaplan Robert I MD Ear, Nose & Throat is their Medial specialty. They are knowledgeable in the following conditions / disorders: Throat Problems. Kaplan Robert I MD is located on 4646 Brockton Ac 302-1 in Riverside. They can be reached by phone by calling (951) 774-2770 . They can be reached by calling (951) 774-2770 . They have a single review on MojoPages.com, and it's a positive review.