Port Jefferson Station
Location
Plastic
Specialty
Dr. Gregory Diehl, MD is a plastic surgeon in Port Jefferson Station, NY with over 35 years of experience in the medical field. He graduated from Washington University School of Medicine in 1986 and is affiliated with Long Island Community Hospital and St Charles Hospital. He is known for his expertise in cosmetic, plastic, and reconstructive surgery.
Washington University School of Medicine
Barnes Hospital
Gregory Diehl, MD
Dr. Gregory Diehl
★ 5.0 (11 reviews)
March 3, 2026
Dr. Dagum is the best Plastic Surgeon I know! He is so kind and calm. He’s willing to do whatever he can to help you with your surgical needs. I highly recommend him!
February 7, 2026
Dr. Diehl and her friendly staff made me feel comfortable, and I am very happy with the outcome of the procedure. The doc and staff are warm and professional. I’m glad to recommend Diehl Plastic Surgery.
February 6, 2026
I’ve been a patient of Dr. A. Dagum for many years. He is very knowledgeable in his specialty, he explains everything in detail, takes his time, very thorough & answers all your questions. On top of that he has a calm & reassuring bedside manner. His staff is also pleasant to deal with, they are professional, patient & friendly.
January 31, 2026
Dr Dagum is an excellent physician amongst the best of the best. He is a compassionate individual who immediately makes you feel comfortable and confident that you made the right choice.
January 20, 2026
I have been seeing this Dr. over 15 years he’s gentle excellent bedside manner. Just a real sweet man. Corrective Botox due to brain tumor. He really helped me regain the confidence I needed.
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