
St. Mary’s Regional Medical Center | Lewiston, Maine
Make a meaningful difference in behavioral health—overnight.
St. Mary’s Regional Medical Center is seeking a Psychiatric Mental Health Nurse Practitioner (PMHNP) to join our dedicated Behavioral Health Emergency Department team, providing high-quality psychiatric services onsite in Lewiston, ME. This is an outstanding opportunity to make a meaningful impact in a mission-driven environment while enjoying a balanced schedule and a strong, collaborative care team.
Position Highlights
Experience & Requirements
Professional growth and development opportunities
What You’ll Do
As a PMHNP on the overnight Behavioral Health team, you will provide psychiatric assessment, diagnosis, treatment recommendations, and medication management as appropriate. You will work collaboratively with the care team to support safe, effective, and individualized treatment plans for patients receiving behavioral health services.
This role is particularly well suited for a PMHNP who enjoys the clinical variety of hospital-based behavioral health and appreciates the flexibility and efficiency of providing care through telepsychiatry.
Strong communication, clinical judgment, and collaboration skills
Why St. Mary’s?
St. Mary’s Regional Medical Center is a 233-bed acute care hospital providing a comprehensive range of inpatient and outpatient services to meet the evolving healthcare needs of Central Maine. Our dedicated physicians, advanced practice providers, nurses, and clinical staff work collaboratively to provide high-quality, compassionate care to the communities we serve.
As part of St. Mary’s Health System, you’ll join a mission-driven organization that places professional growth, development, and exceptional patient care at the forefront. We are proud of our long history of community involvement and our commitment to delivering individualized care with compassion and respect.
Live, Work & Thrive in Lewiston/Auburn
Located in the heart of Maine, the Lewiston/Auburn community offers an exceptional quality of life with the amenities of a larger metropolitan area and the friendliness and authenticity of a close-knit community.
Here, you can build a rewarding career while enjoying the space, natural beauty, and quality of life that make Maine such a special place to call home.
Join Our Team
If you are a Psychiatric-Mental Health Nurse Practitioner looking for a rewarding night-shift opportunity where your expertise can make an immediate impact, we invite you to explore a career with St. Mary’s Regional Medical Center.
Join St. Mary’s and help ensure that high-quality behavioral healthcare is available when patients need it most.
Covenant Health Mission Statement
We are a Catholic health ministry, providing healing and care for the whole person, in service to all in our communities.
Our Core Values:
•Compassion
We show respect, caring and sensitivity towards all, honoring the dignity of each person, especially the poor, vulnerable and suffering.
•Integrity
We promote justice and ethical behavior, and responsibly steward our human, financial and environmental resources.
•Collaboration
We work in partnership, dialogue and shared purpose to create healthy communities.
•Excellence
We deliver all services with the highest level of quality, while seeking creative innovation.
Applicants, employees and former employees are protected from employment discrimination based on race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age (40 or older), disability, and genetic information (including family medical history).

Covenant Health is a Catholic health care system sponsoring hospitals, nursing homes, assisted living residences and other health and elder services throughout New England. We are committed to the health of the individuals and communities we serve, and strive to offer a continuum of high quality care.
Partnering Opportunities for Health and Elder Care Organizations:
Covenant Health offers partnering organizations access to a wide array of successful programs and services provided by experienced professionals who understand the complexities of delivering values-driven care in an increasingly demanding environment. Among the range of services that Covenant Health provides are:
-Strategic Planning and Positioning
-Governance
-Management and Operational Assistance
-Financial Services
-Mission and Educational Enhancement