Find Information About:

Drugs & Supplements

Get information and reviews on prescription drugs, over-the-counter medications, vitamins, and supplements. Search by name or medical condition.

Pill Identifier

Pill Identifier

Having trouble identifying your pills?

Enter the shape, color, or imprint of your prescription or OTC drug. Our pill identification tool will display pictures that you can compare to your pill.

Get Started

My Medicine

Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.

Get Started

WebMD Health Experts and Community

Talk to health experts and other people like you in WebMD's Communities. It's a safe forum where you can create or participate in support groups and discussions about health topics that interest you.

  • Second Opinion

    Second Opinion

    Read expert perspectives on popular health topics.

  • Community


    Connect with people like you, and get expert guidance on living a healthy life.

Got a health question? Get answers provided by leading organizations, doctors, and experts.

Get Answers

Sign up to receive WebMD's award-winning content delivered to your inbox.

Sign Up

Physician Directory

Find a Doctor

Dr. Gregory J. Diehl, MD

Plastic Surgery

  • (631) 476-7300

Dr. Diehl's Overview

Dr. Gregory J. Diehl graduated from the Washington University School of Medicine in 1986. He works in Port Jefferson Station, NY and specializes in Plastic Surgery and Hand Surgery. Dr. Diehl is affiliated with John T Mather Memorial Hospital and Saint Charles Hospital.

Dr. Diehl's Experience

Years in Practice: 29

Conditions Treated by Dr. Diehl

  • Not Available

Procedures Performed by Dr. Diehl

  • Not Available

Dr. Diehl's Specialties

Plastic Surgery, Hand Surgery

Dr. Diehl's Education & Training

Medical School: Washington University School of Medicine; Graduated 1986

Dr. Diehl's Rating

Rate This Doctor

Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
  • View All Ratings

Dr. Diehl's Accepted Insurance

  • Not Available

Dr. Diehl's Office Information & Appointments

Office Locations

Gregory Diehl MD

1500 Route 112 Bldg 10
Port Jefferson Station, NY 11776
(631) 476-7300


Office Hours and Information

Fax: (631) 476-7304

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: No

Monday 9:00 AM - 5:00 PM
Tuesday 9:00 AM - 5:00 PM
Wednesday 9:00 AM - 5:00 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Diehl's Practice

  • Not Available

Dr. Diehl's Hospital Affiliations

Office Locations

Other Plastic Surgeons Near Port Jefferson Station, NY

View More Plastic Surgeons