Dr. Gregory Marcotte, MD

Practice: ENT & Allergy of Delaware

Specialty: Ear, Nose, and Throat, Allergy / Immunology

Office locations: Wilmington, DE

Most recent review: 5 days ago New
4.9 out of 5
595 Ratings
220 Comments

Dr. Gregory Marcotte, M.D. began his private practice of Allergy and Immunology in Wilmington, Delaware in 1997, taking care of patients and their families with all types of allergic diseases. Dr. Marcotte started college at Cornell University planning to go to veterinary school. After a trip to the emergency room for an allergy attack while working on a dairy farm his freshman summer, he changed majors to Cell Biology. He graduated with Distinction and Honors, and planned for medical school. He spent a year working as a laboratory technician at the Johns Hopkins University Division of Allergy and Immunology. He attended medical school at New York University, did his residency at the University of Colorado/National Jewish Hospital, and then returned to Johns Hopkins to complete his Allergy and Immunology Fellowship. He is board-certified in Adult and Pediatric Allergy and Immunology.

4.9 out of 5
595 Ratings
220 Comments

Dr. Gregory Marcotte, M.D. began his private practice of Allergy and Immunology in Wilmington, Delaware in 1997, taking care of patients and their families with all types of allergic diseases. Dr. Marcotte started college at Cornell University planning to go to veterinary school. After a trip to the emergency room for an allergy attack while working on a dairy farm his freshman summer, he changed majors to Cell Biology. He graduated with Distinction and Honors, and planned for medical school. He spent a year working as a laboratory technician at the Johns Hopkins University Division of Allergy and Immunology. He attended medical school at New York University, did his residency at the University of Colorado/National Jewish Hospital, and then returned to Johns Hopkins to complete his Allergy and Immunology Fellowship. He is board-certified in Adult and Pediatric Allergy and Immunology.

The reviews listed below were collected independently of ENT & Allergy of Delaware through rater8. Each review represents an authentic and verified patient experience.

My visit with Dr. Marcotte went well. It was my first time meeting him. He was pleasant, and very thorough with medical solutions for my symptoms.

Rated 5 out of 5 stars
(5 days ago) Oct-2026

When I told him I was relocating to FL, he wrote down how to find a doctor & even gave me a name. Also provided me with a summary of my dx & treatment care & my immunizations. I will miss him!

Rated 5 out of 5 stars
(1 week ago) Oct-2026

Been seeing him for years always listens and makes Adjustments

Rated 5 out of 5 stars
(2 weeks ago) Oct-2026

Dr Marcottte is very thorough and patient. He listens to what questions you ask and gives informative responses that are easy to understand. I highly recommend him to anybody that may be looking for a new dr.

Rated 5 out of 5 stars
(1 month ago) Sep-2026

Very ino. ANSI all my.my questions. Nice person and anwne

Rated 5 out of 5 stars
(1 month ago) Sep-2026

Dr. Marcotte provides excellent service for my conditions plus we communicate by talking and explaining my situation. Thank you for your help.

Rated 5 out of 5 stars
(1 month ago) Sep-2026

Friendly, detailed

Rated 5 out of 5 stars
(1 month ago) Sep-2026

Kind, knowledgeable and patient.

Rated 5 out of 5 stars
(2 months ago) Aug-2026

Caring, compassionate and competent! Really knows his patients, the challenges they face and what works!

Rated 5 out of 5 stars
(2 months ago) Aug-2026

Dr. Marcotte is very thorough and took his time during my recent visit but I always have a positive experience. I think he's a great doctor.

Rated 5 out of 5 stars
(2 months ago) Aug-2026