Long Island Plastic Surgeon
1500 Route 112, Building 10
Port Jefferson Station, New York 11776 US
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5.0 out of 5 stars 5.0 stars from 14 reviews See details Hide details
5.0 out of 5 stars Doctor's bedside manner
5.0 out of 5 stars Answered my questions
5.0 out of 5 stars After care follow-up
5.0 out of 5 stars Time spent with me
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5.0 out of 5 stars Staff professionalism & courtesy
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Treatment results may vary

5 out of 5 stars Rhinoplasty

Broken Nose Closed Reduction - Long Island, NY

Dr. Diehl is the best! I highly recommend him and his entire staff for all your plastic surgery needs. They also have a brand new office and on premises operating suite that is top notch!

5 out of 5 stars Tummy Tuck

43 Year Old After Giving Birth and Loosing 30b... Needed a Tummy Tuck - Port Jefferson, NY

I am a very proud patient of Dr. Gregory Diehl ! I have 100% trusted in him, his opinion and his work! I couldn't have been happier with the result! From my first consultation and beyond, Dr. Diehl was thorough in his explanations of the procedure and in answering all my questions. He is straightforward, kind, and has a sense of humor that I appreciated as I was nervous about the procedure....

5 out of 5 stars Breast Augmentation

37 Years Old, Mother of 2, Who Finally Got Her Breasts Back! - Suffolk County, NY

Dr. Diehl is a perfectionist!!! You seriously do not need to look any further if you live on Long Island! He is professional, kind, knowledgeable and makes you feel like you're his only patient! After the consultation, I immediately set up an appointment for surgery. He answered all of my questions and made me feel so comfortable, from the consultation to recovery. His staff is wonderful too! They're all very sweet, patient and knowledgeable as well. I contacted them frequently to ask questions or express concerns and they were always there for me and never made me feel uncomfortable. My breasts are absolutely perfect! Very natural and symmetrical, the man is an artist! I highly recommend Dr. Diehl, his manner and experience speak for themselves.

5 out of 5 stars Scars Treatment

59 Yr Old. Need Scar Revision Plus Lipo on Abs, Flanks & Inner Thighs. Long Island, NY

All I could say is he is the best. He a great qualities as a person and as a Plastic Surgeon. I am extremely happy that I found him. Won't go anywhere else.

5 out of 5 stars Breast Implant Removal

40 Years Old, Explanted 17 year old saline unders Yesterday and Thrilled! - Port Jefferson, NY

Dr. Diehl and his staff were wonderful. They explained everything completely and were very understanding. Not once did the doctor try to convince me to reimplant. Procedure went smoothly. Removed implant under local anesthetic so I was awake. Took under 45 minutes. Procedure was uncomfortable at times but not painful. Yesterday I was very sore without pain killer but feeling much better today. Will post more pictures in a few days to show progress. I would like to thank everyone for sharing their experience and wish those who are deciding all the best!

Breast Explantation. - Port Jefferson Station, NY

I came across this web site a year ago looking for support, reading story after story, Now that my date is near for explant I feel it important for me to share my story to add support for others. I am 45 and have had my 350CC silicone under the muscle implants for 6 years. I am scheduled for Nov. 12, 2014 for explantion, taking a risk with no lift. Dr. says I have youthful skin and I am...

5 out of 5 stars Male Breast Reduction

48 Year Old Man Just Finally Tired of the Man Boobs I Could Not Lose. Port Jefferson, NY

Doctor Diehl is awesome, he listens to your concerns, tells you what is possible and gives you real expectations, his entire staff is caring and make you feel like they have known you for years.

5 out of 5 stars Breast Augmentation

35 Years Old and Had Two Children - Port Jefferson, NY

Having my breasts done was something I thought about since my 20's. I chose to wait until after having my children. I booked several consultations but the first dr I met was Dr. Diehl. On my way home I called and booked the surgery. Him and his staff are remarkable. Reviewing the before and after of his other patients was amazing. If you are seriously considering taking this step Dr....

5 out of 5 stars Breast Augmentation

Scarless! Breast Augmentation - Port Jefferson, NY

If you are planning on getting a breast augmentation Dr. Diehl is the way to go! He is a fantastic surgeon and truly cares about his patients. His staff and nurses are excellent. I was very impressed with how pleasant, courteous, and respectful everyone in his office was. Dr. Diehl and his staff was very informative and kind from the consultation to the recovery process. My procedure went...

5 out of 5 stars Eye Bags Treatment

Bet You Couldn't Guess my Age!! :) - Port Jefferson, NY Eye Bag Surgery

My experiences with Dr. Deihl and his staff have been nothing but fantastic. I would only recommend him for he is thorough, honest and truly cares about his work and meeting the individuals needs. Dr. Deihl's staff has become like a family to me that care about who I am not only the procedures I am interested in. Dr. Deihl and his staff care so much about you that when my mother died this past year (2/1/2014), Dr. Deihl himself sent me a sympathy card along with his staff. I am so satisfied with the services I am a regular at his practice. Being proactive in my life whether it be mental, psychical or spiritual I find Dr. Deihl and his staff being an asset to my life.

*Your results may vary. Any specific claims or permanence length of results vary for each patient and are not guaranteed.

Board Certifications

Board-certified by the American Board of Plastic Surgery

Memberships

American Society of Plastic Surgeons (ASPS)
Fellow, American College of Surgeons (FACS)

Hospital Privileges

Dr. Diehl has hospital affiliations at John T. Mather Memorial Hospital and St. Charles Hospital.

Education

  • Undergraduate & Medical School

    Undergraduate: BA, Washington University, St. Louis, MO
    Medical: MD, Washington University School of Medicine, St. Louis, MO, 1986
  • Post-Medical School Training

    Residencies:
    General Surgery, Washington University Barnes - Jewish Hospital, St. Louis
    Plastic Surgery, Washington University Barnes - Jewish Hospital, St. Louis
    Fellowships:
    Plastic Surgery, Washington University Barnes-Jewish Hospital
    Reconstructive Surgery, Washington University Barnes-Jewish Hospital

Treatments offered at Gregory Diehl, MD

Blog Posts and Articles

Male Breast Reduction Surgery

Male Breast Reduction/Gynecomastia Surgery is to make normal of enlarged male breasts. It’s quite natural and rather common for male adolescents to temporarily develop enlarged breasts, also known as Gynecomastia. It is a problem for many young men as they have to get through gym class somehow, and enjoy their summers like everybody else. It can be a big emotional burden. But then what happens if it doesn’t go away? What if it gets worse instead of...

Most popular answers from Gregory Diehl, MD, FACS

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How Long Do I Have to Sleep on my Back After Breast Augmentation?

Don't worry too much about it. You are not going to move the implants by lying on them, especially after 3-4 weeks when the capsule is well developed. READ MORE

Should I Wear Surgical Bra After Breast Augmentation?

It is best to wear a light compression garment for the first 2-3 days. It helps with swelling to a degree, but it is really for comfort. There is... READ MORE

Breast Augmentation Recovery: What Can I Expect?

Plan to take 2-3 days off to rest. Recovery really depends on what type of work and activities you do. Lifting and carrying light items can be done at... READ MORE

Breast Aug Incision Soreness. How Long Will I Feel Tender/Sore? (photo)

The tenderness at incision sites generally resolve in about 1-2 weeks, to the point where pressing on them is of little discomfort. If the incisions... READ MORE

I Am Only 22, Why Does My Face Look Tired and Old? What Can I Do? (photo)

Could it be that you have allergies or just simply sleep deprived? Many people are sleep deprived and this takes its toll on your skin as well as... READ MORE

What is going in with my right breast? (photo)

It is early in the process, just over 2 weeks. There is much more swelling on the right, and it pushes the pocket outward in all directions. The... READ MORE

Should I be happy with my results? (photo)

Liposuction of your flanks is needed to give a more "hourglass" shape. It is an excellent place to remove fat, because the skin there is more elastic... READ MORE

Will I Get Any Upper Pole Volume? (photo)

Your breast augmentation looks great. Congratulations! The bottom will fill out and the upper tightness will improve over time. You will want to... READ MORE

I Did Breast Augmentation Five Weeks Ago And I Feel Like One Implant is Bigger Than the Other? (photo)

Your right breast implant looks like it is placed higher than the left (your right nipple position is low on the implant, and the top of the implant... READ MORE

Should I Use Saline or Silicone, I Want to Have Victoria Secret Model Boobs, How Much is Too Much Without Sagging? (photo)

Silicone breast implants are much better for thin skin, because there is less breast tissue and subcutaneous fat to cover the implant. The silicone... READ MORE

Videos by Gregory Diehl, MD, FACS

Gregory Diehl, MD, FACS has shared 6 videos.

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Check Out This Woman's Invisible Scars After Her Scarless Breast Augmentation

A patient of Dr. Gergory Diehl shows off her new breasts and the incision points they used during her surgery. There are no scars on her breasts at all, as Dr. Diehl performed this augmentation with an underarm incision. WATCH VIDEO

See a Face and Neck Lift in Action With This Photo Morph

Dr. Gregory Diehl provides a unique photo morph of a patient for the purpose of visualizing the results from a face and neck lift. WATCH VIDEO

Watch the Bump on This Patient's Nose Completely Disappear

Dr. Gregory Diehl addresses a patient's dorsal hump... and the results are amazing! WATCH VIDEO

Male Breast Reduction: See the Incredible Before and After

Dr. Gregory Diehl shows a male patient who opted to undergo male breast reduction for gynecomastia. Check out this photo morph to see what he looks like now! WATCH VIDEO

Scarless Breast Augmentation Before and After

Dr. Gregory Diehl reveals the before and after photos of a patient who underwent breast augmentation with no scar on or around the breasts. WATCH VIDEO

Tummy Tuck Before and After: Flat Belly With Minimal Scarring

Dr. Gregory Diehl shows the incredible results of a tummy tuck. WATCH VIDEO

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*Your results may vary. Any specific claims or permanence length of results vary for each patient and are not guaranteed.