Dr. Gregory Marcotte, MD

ENT & Allergy of Delaware

Ear, Nose, and Throat, Allergy / Immunology

Wilmington, DE

Most recent review: 4 days ago New
4.9
554 Ratings
207 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
554 Ratings
207 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.

He's great

(4 days ago) May-2026

Knowledgeable and personable good visit

(1 week ago) May-2026

I been coming to Dr. Marcotte office for years. He’s a wonderful doctor. And so is he staff. Very professional environment.

(1 week ago) May-2026

Dr.Marcotte is a very professional medical provider. He listens to all of your questions and concerns.

(2 weeks ago) May-2026

Such a great Doctor!

(2 weeks ago) May-2026

Dr Marcotte is thorough and supportive. I appreciate his care and the time he takes to be sure I’ve had everything addressed that needs attention. I continue to see him and would highly recommend him to anyone looking for an excellent allergist.

(2 weeks ago) May-2026

I really like Dr Marcotte’s bed side manor and the allergy shots he recommended for me are working! I’m a cash pay patient but they will begin taking my insurance (United Healthcare) starting in June 2026!

(2 weeks ago) May-2026

Forty five minute wait. No apology. No explanation. I travel half an hour to get there.

(1 month ago) Apr-2026

He was very knowledgeable and spent a lot of time with me.

(1 month ago) Apr-2026

Dr Marcott is an EXCELLENT ENT & Allergist. He cares about his patients and listen to his patients. His nurse practition Shannon is awesome as well. I'm so happy to have Dr Marcott, Shannon and his staff

(1 month ago) Apr-2026
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