York Hospital is pleased to announce the arrival of the following providers to its medical staff. The hospitalist team welcomes Sophia Adams, DO and Erin Cullen, AGACNP-BC, while Teressa Peck, FNP-C joins York Family Practice as the newest provider.

Sophia Adams, DO joins the York Hospital medical staff after completing an AB degree from Bowdoin College in Brunswick, Pre-Medical Program at University of Southern Maine in Portland, and DO at the University of New England College of Osteopathic Medicine in Biddeford. She performed her residency at Maine Dartmouth Family Medicine in Augusta, and Maine Medical Center in Portland. Dr. Adams enjoys similar positions as a hospitalist at Millinocket Regional Hospital in Millinocket, and Maine Medical Center in Portland. Additionally, Dr. Adams performs varicose vein procedures at the Vein Healthcare Center in South Portland, where she is employed as a vein specialist. She has been a part of volunteer efforts with the Biddeford Free Clinic, Healthcare for the Homeless, Planned Parenthood and Sagamore Health Center in Portland.


Erin Cullen, MSN, AGACNP-BC, York Hospital’s newest hospitalist, earned her BSN at Southern New Hampshire University, Manchester NH and MSN-AGACNP-BC (Adult-Gerontology Acute Care Nurse Practitioner) at Walden University in Minneapolis, MN. Ms. Cullen has experience as an RN in the ICU/PACU and Cardiovascular Radiology at Frisbie Memorial Hospital, Rochester, NH, a clinical nursing instructor at Great Bay Community College in Portsmouth, NH and as an APRN in Hospital Medicine at Frisbie, Parkland and Portsmouth Hospitals.


Teressa Peck, FNP-C, will be a familiar face to the patients of York Family Practice, as she steps into her new role as family nurse practitioner.  Ms. Peck, the practice’s newest provider, was previously an RN at York Family Practice, also completing her FNP training there while studying in the Family Nurse Practitioner Program at Simmons College in Boston. She earned her both her BS and MS in Nursing from Simmons College. Previously, Ms. Peck has been employed by Beth Israel HealthCare in Needham, MA where she worked in internal medicine and also at Harvard Vanguard Medical Associates in Boston as a travel medicine & infectious disease nurse.

For more information about these newest members of the York Hospital medical staff, please call York Hospital at 207-351-2273. Or, for further details about other York Hospital providers and services, visit or contact Community Relations at 207 351-2385 or [email protected].