Inclusion Criteria:  Established patient with a participating primary care physician from a participating clinic Type 1 or 2 diabetes mellitus Able to speak and read in English Age 18 to 75 years old Mobile device (smartphone or tablet) with internet access Active My Health at Vanderbilt (MHAV) account Willing and able to use the MHAV native app on a mobile device  Exclusion Criteria:  Known cognitive deficits or functional impairment preventing the use of a mobile device Pregnant or planning to become pregnant during the study period Severe difficulty seeing Stage 5 Chronic Kidney Disease (most recent eGFR<15)