New Search Mark W Li MD (626) 330-6003 Primary Specialties Gastroenterology Primary Office Address: 2440 S Hacienda Blvd #105 Hacienda Heights, CA 91745-4673 Phone: (626) 330-6003 Fax: (626) 330-8474 Recommend this Physician Get Directions Areas of Expertise Gastroenterology