New Search Merrill K Shum MD (562) 698-6888 Primary Specialties Hematology/Med Oncology Primary Office Address: 8135 Painter Avenue #103 Whittier, CA 90602-3171 Phone: (562) 698-6888 Fax: (562) 698-5255 Recommend this Physician Get Directions Areas of Expertise Hematology/Med Oncology