The contemporary healthcare resource utilization following an acute myocardial infarction (MI) is not well known. All patients admitted due to MI between 01/2015 and 12/2021 across 28 hospitals in the Baylor Scott & White Health system were studied. Patient characteristics and outcomes, including all-cause and cardiovascular (CV) rehospitalizations, emergency department (ED) visits, and outpatient visits were evaluated. Of 6804 patients admitted due to MI, 6556 were discharged alive. Median age was 69 years, 60% were male, and 77% had non-ST elevation MI (NSTEMI); 17% (1090) had multivessel disease. The number of patients with first all-cause readmissions within 30-days, 3-months, and 12-months of discharge were 844 (13%), 1372 (21%) and 2306 (35%), respectively, with a higher readmission rate in patients with NSTEMI, prior heart failure (HF), new-onset HF, and left ventricular ejection fraction (LVEF) ≤40%. ED visits at 12 months for any cause were 2401 (37%) of which 1321 (55%) were for any CV cause, with a higher incidence in patients with prior HF. Of the 6556 patients, 4102 (63%) had at least one primary care visit in the past year, 5009 (76%) had CV specialty visits, and 3860 (59%) had non-CV visits, with a similar distribution across subgroups. Patients hospitalized with an MI had a high risk of subsequent hospital readmissions, and ED and outpatient visits, especially amongst those with a prior HF diagnosis and those discharged with both an MI and HF diagnosis.