Inclusion Criteria for all Aims  ≥ 21 years old. Diagnosis of Type 2 diabetes. Use of ≥ study drug (GLP-1RA, SGLT2i, DPP-4i, SU).  Exclusion Criteria for Aims 1, 2B, 3  Fill for any study drug during the baseline period or simultaneous (within 30 days) start of ≥2 study drugs Insulin use Type 1 diabetes High risk of CVD Pregnancy Metastatic cancer  Exclusion Criteria for Aim 2A  Insulin use. Cognitive impairment. Terminal or advanced illness. Non-English speaking. Residency in a long-term care setting.