Encino Location: 6345 Balboa Blvd. Building 3, Suite 365. Encino, CA 91316 Pasadena Location: 69 N Catalina Ave. Pasadena, CA 91106 . 866-4-ADELPHA Please note, our office is closed on all Federal holidays, as well as New Year's Eve, Christmas Eve, and the day after Thanksgiving. Please also note that patients are seen by appointment only..