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Dr. Leslaw Gredysa, MD

Dr. Leslaw Gredysa, MD

General Surgery*
40+ years of experience

Dr. Leslaw Gredysa, MD is a general surgeon in Riverhead, NY and has over 40 years of experience in the medical field. Dr. Gredysa has extensive experience in Peripheral Vascular Disease and Carotid Artery Disease or Carotid Endarterectomy. He graduated from Jagiellonian University Medical College, Faculty Of Medicine in 1982. He is affiliated with medical facilities Peconic Bay Medical Center and Stony Brook University Hospital. He is accepting new patients and telehealth appointments.

4.6 Star Rating
Based on 58 reviews 4.6 Star Rating (58 reviews)

Practice

31 Main Rd Ste 2 Riverhead, NY 11901
Telehealth available

Make an Appointment

(631) 369-8539

Hospital Highlight

Dr. Gredysa is affiliated with Peconic Bay Medical Center Riverhead, a highly rated and top awarded hospital for general surgery.

At a Glance

  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    America’s 100 Best Hospitals for Gastrointestinal Care Award™ • See hospitals
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Dr. Gredysa's Reviews

Likelihood to recommend Dr. Gredysa

4.6

58 ratings, 30 with a written review
5 Star
90%
90%
4 Star
2%
2%
3 Star
0%
0%
2 Star
0%
0%
1 Star
9%
9%

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RecentHighestLowestMost Helpful
What went well
  • Wait times
What could be improved
  • I didn't feel respected
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
Helpful
Feb 17, 2025
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
joann powers – Feb 03, 2021
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
3 people found this helpful
Helpful
Jun 11, 2020
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
2 people found this helpful
Helpful
William Pickens III – May 28, 2020
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
3 people found this helpful
Helpful
Diana Weir – Nov 08, 2019
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
3 people found this helpful
Helpful
John kosinski in Matttituck , NY – Aug 17, 2019
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Konstantinos Karpathakis in Hampton Bays – Oct 16, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
dianne walsh – Jul 05, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
2 people found this helpful
Helpful
John Rudder in Laurel, NY – May 19, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Mary Brennan in New York, NY – Apr 28, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Apr 21, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Anthony in East Quogue, NY – Mar 01, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
James Kiley in East Hampton – Feb 12, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Susan in Southampton, New York – Feb 07, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Carol Elms in East Hampton, New York – Jan 20, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Nancy Naughton in Hampton Bays NY – Jan 19, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Anthony in East Hampton – Jan 19, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
MJ in East Hampton, NY – Jan 13, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Margaret Quinn in Calverton, NY – Jan 01, 2018
×Post a ResponseAre you Dr. Leslaw Gredysa, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Wayne B. in Southampton, New york – Dec 20, 2017
Dr. Gredysa's Reply –
Thank you
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Know Before You Go

About Me

care philosophy

The mission of Peconic Surgical Group is to provide exceptional, compassionate and personal medical care in a private, professional setting.

biography

 Leslaw Gredysa, MD, FACS has been a respected and trusted surgeon for more than 20 years in the East End Community. He specializes in both General and Vascular Surgeries.

  • General Surgery

  • Vascular Surgery

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • St Francis Hospital

    Fellowship Hospital, 1993

  • Nassau Co Medical Center

    Residency Hospital, 1992

  • Wycoff Heights Hospital

    Residency Hospital, 1988

  • Biernacki Medical Center

    Residency Hospital, 1983

  • Jagiellonian University Medical College, Faculty Of Medicine

    Medical School, 1982
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

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  • English

  • Polish

Healthgrades Top Picks on General Surgeons

Locations

Practice

Peconic Surgical Group PC31 Main Rd Ste 2 Riverhead, NY 11901
1
Office234 New York 27a Southampton, NY 11968
2

Practice

Peconic Endocrinology PC234 Hampton Rd Southampton, NY 11968
3

Affiliated Hospitals

  • Peconic Bay Medical Center

    1 Heroes Way
    Riverhead, NY 11901
    Recipient of 11
    hospital awards

    America’s 100 Best Hospitals for Gastrointestinal Care Award™ (2025)

    Superior clinical outcomes in colorectal surgeries, gallbladder removal, upper gastrointestinal surgery, and treating bowel obstruction, gastrointestinal bleeds, and pancreatitis

    Gastrointestinal Care Excellence Award™ (2024)

    Superior clinical outcomes in colorectal surgeries, gallbladder removal, upper gastrointestinal surgery, and treating bowel obstruction, gastrointestinal bleeds, and pancreatitis

    View all awards

    How patients felt about the care they received at this hospital.

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    75%
    Patients said that doctors always listened to them and explained things well

    1% lower than the national average

    View all patient feedback

  • Stony Brook University Hospital

    101 Nicolls Rd
    Stony Brook, NY 11794
    Recipient of 33
    hospital awards

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    America's 250 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    74%
    Patients said that doctors always listened to them and explained things well

    2% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality