Mary Duppert, PA-C
Practice: ENT & Allergy of Delaware
Specialty: Physician Assistant, Ear, Nose, and Throat
Office locations: Newark, DE
Mary Duppert, PA-C is a board-certified physician assistant dedicated to helping patients feel informed, comfortable, and confident in their care. She provides patient centered medical services that focus on clear communication, education, and personalized treatment planning/
Mary Duppert, PA-C is a board-certified physician assistant dedicated to helping patients feel informed, comfortable, and confident in their care. She provides patient centered medical services that focus on clear communication, education, and personalized treatment planning/
ENT & Allergy of Delaware: Newark - Iron Hill Corporate Center
Suite 200
Newark, DE 19713
Mary Duppert, PA-C is a board-certified physician assistant dedicated to helping patients feel informed, comfortable, and confident in their care. She provides patient centered medical services that focus on clear communication, education, and personalized treatment planning.
Mary believes that the best healthcare starts with listening. She takes time to understand each patient’s concerns, explain conditions and treatment options in approachable language, and ensure patients feel actively involved in their care decisions. Known for her calm demeanor and compassionate approach, Mary creates a welcoming clinical environment where patients feel respected, heard, and supported throughout every visit.
Patients value Mary for her thorough, attentive style and her ability to make medical care feel collaborative rather than overwhelming. She is committed to delivering highquality, individualized care while helping patients feel at ease from their first appointment through followup care.
Mary Duppert, PA-C provides comprehensive clinical and procedural support, including:
Patient evaluations and focused physical examinations
Preventive care, sick visits, and ongoing followup management
Pre and postprocedure care with patient education
Assistance with minimally invasive, imageguided procedures
Diagnostic testing and interpretation
Coordination of care with physicians and multidisciplinary medical teams
Her broad clinical background allows her to support patients in outpatient, inpatient, and procedural settings, with an emphasis on safety, efficiency, and personalized care.
Education and Certifications:
Board-certified Physician Assistant (PAC) – National Commission on Certification of Physician Assistants (NCCPA)
Licensed Physician Assistant in Pennsylvania and Delaware
DEA Registered
Advanced Cardiac Life Support (ACLS) – American Heart Association
Basic Life Support (BLS / CPR & AED) – American Heart Association
Mary earned her Master of Physician Assistant Studies from the Philadelphia College of Osteopathic Medicine, where she completed extensive clinical training in:
Family Medicine
Internal Medicine
Pediatrics
Emergency Medicine
General Surgery
OB/GYN
Behavioral Medicine
Plastic Surgery
She also holds a Bachelor of Science in Medical Diagnostics (PrePA concentration) from the University of Delaware, graduating magna cum laude. Her combined education emphasized handson patient care, diagnostic evaluation, procedural assistance, and interdisciplinary collaboration.
Earlier in her career, Mary worked as a medical assistant in ENT/allergy and urgent care settings, gaining valuable experience preparing patients for examinations, assisting with inoffice procedures, and supporting efficient, patientfocused workflows. This experience strengthens her ability to guide patients confidently through every stage of care.

Very polite and answered my questions
On time, explained very well & pleasant
Personable, thorough, professional
She was great!!
Very pleasant and well informed
Mary was just lovely! She covered everything we needed to discuss. Very knowledgeable, asked all the right questions and was very understanding.
Very professional and very competent.
Just have to get used to the way she does things. Just used to Mark Landis for 10 years. She was very good and my ears are clean. Seems very professional in her work.
She really listened to and answered my concerns.
Professional