e18525 Background: Research suggests that between thirty and fifty percent of patients with cancer experience psychiatric disorders across the cancer trajectory. As part of standard cancer care, mental health care can reduce distress and psychological morbidity for patients and improve their quality of life. Mental health treatment may even improve cancer survival rates.Considering the mental health issues relevant to cancer, implementation of mental health care into routine clinical care remains a challenge among community-based hematologists/oncologists (cH/O). Methods: Practicing U.S. cH/O completed a cross-sectional, web-based survey from September through November 2021. The survey collected demographic information and assessed physicians’ experiences and awareness regarding mental health diagnosis, frequency, severity, and management among their patients. Data were summarized using descriptive statistics. Results: Participants (N = 243) specialized in hematology/oncology (63%), medical oncology (36%) (1% other). The majority practiced in community-based settings unaffiliated with an academic center or hospital (73%). The majority (92%) agreed that mental health can significantly impact the health outcomes of patients with cancer. The majority (80%) frequently see patients coping with mental illness or distress. More than a quarter of the participants reported that their practice has clinical psychologists (27%), and nearly half (46%) have social workers on staff. About half (51%) occasionally refer patients for mental health services/treatment while 15% rarely or never refer. Nearly half (49%) indicated they do not have adequate resources to support the mental health needs of their patients with cancer. Conclusions: Our findings that oncologists have high levels of awareness about mental health issues among their patients with cancer is encouraging as is their incorporation of professionals on the care team to address this need. However, oncologists indicated that their available mental health resources are inadequate to meet patients’ needs and external referrals are limited. These findings suggest that additional resources and referrals are needed to ensure that patients will consistently receive the mental health care they need. Future research to assess the impact of mental health care on clinical outcomes including quality of life in patients with cancer is warranted.