Doreen Gagne CRNPA certified registered nurse practitioner (CRNP) who has held licensure through the state of Maryland since 2002 and through the Commonwealth of Pennsylvania since 2009, Doreen Gagne is also registered drug enforcement administrator for Schedule II-IV substances and a licensed controlled dangerous-substance professional. She earned a master of science in nursing through the Family Nurse Practitioner Program at the University of Maryland and a bachelor of science in nursing from Pennsylvania State University. Doreen Gagne also holds specialized certification through the Society of Otorhinolaryngology and Head-Neck Nurses.

Over the course of her career, Ms. Gagne has served tenures with Baltimore Washington Medical Center in Glen Burnie, Maryland; Drs. Gehris, Jordan, Day and Associates in Bel Air, Maryland; Summit ENT and Hearing Services in Chambersburg, Pennsylvania; and Lancaster Ear, Nose, and Throat in Lancaster, Pennsylvania. Since 2014, Ms. Gagne has treated patients with sleep disorders as a CRNP with Chesapeake Sleep Physicians in Fallston, Maryland.