Print Enrique Valdivia Gastroenterology Arrowhead Gastroenterology 20100 N 51st Ave Ste F620 Glendale, AZ 85308 Call (623) 376-6328 Additional Locations Arrowhead Gastroenterology Associates 9401 W Thunderbird Rd Ste 155 Peoria, AZ 85381 Call (623) 376-6328 Arrowhead Gastroenterology Associates 15276 W Brookside Ln Ste 140 Surprise, AZ 85374 Call (623) 376-6328