Dr. Mark Fleisher, MD

Dr. Mark Fleisher, MD

Gastroenterology  ·  
Male  ·  
Age 57
Dr. Mark Fleisher, MD is a gastroenterology specialist in Jacksonville, FL and has been practicing for 22 years. He graduated from Sackler School Of Medicine, Tel Aviv University in 1990 and specializes in gastroenterology.

836 Prudential Dr Ste 801

Jacksonville, FL 32207

Contact Information

Insurance Accepted

  • Accountable Health Plans of America
  • Aetna
  • American Pioneer
  • Amerigroup (Wellpoint)
  • AvMed
  • Bakery & Confectionary Union Plan
  • Blue Cross Blue Shield
  • CareOregon
  • CareSource
  • 25 More

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Learn about Dr. Fleisher

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Fleisher performs your care needs compared to other doctors.

Abdominal Pain
very high
more than 99% of peers
Abdominal Disorders
very high
more than 99% of peers
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
very high
more than 99% of peers

Dr. Fleisher's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Gastroenterology

1  Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*

83  Conditions Treated

Read Less

29  Procedures

  • Abdominal Mass Biopsy
  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Anoscopy
  • Anoscopy With Removal of Anal Tumor
  • Bile Duct Procedure
  • Biliary Drainage
  • Biopsy
  • Capsule Endoscopy
  • Colon Cancer Screening
  • Colonoscopy
  • Colonoscopy With Polypectomy
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer Screening
  • CT-Guided Biopsy
  • Endoscopic Common Bile Duct Stone Removal
  • Endoscopic Polypectomy
  • Endoscopy
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • ERCP With Spincterotomy
  • Fecal Impaction Removal
  • Flexible Sigmoidoscopy
  • Gastroenterology Procedures
  • Hemorrhoidectomy or Excision of Anal Tags
  • Incision and Removal of Foreign Object
  • Liver Biopsy
  • Manometry
  • Percutaneous Edoscopic Gastrostomy (PEG)

Background Check

1 Malpractice Claim
  • Settlement : 4/9/2015
    Amount or Range: $825,000.00
    State: Florida
0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • New York University
    Undergraduate School | Graduated 1982
  • Sackler School Of Medicine, Tel Aviv University
    Medical School | Graduated 1990
  • Lenox
    Internship Hospital | Completed 1994
  • Lenox Hill Hosp New York
    Residency Hospital | Completed 1994
  • Lenox Hill Hosp New York
    Fellowship Hospital | Completed 1996

Awards & Recognition

Awards & Honors

Dr. Fleisher has no awards or honors listed.

Media & Publications

Dr. Fleisher has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Fleisher does not have any memberships or affiliations listed. If you are Dr. Fleisher and would like to add memberships or affiliations, please update your profile.

Dr. Fleisher's Reviews

Likelihood of recommending Dr. Fleisher to family and friends
40 total reviews (10 have comments)

Likelihood to Recommend (40)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Fleisher's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    16 to 30 minutes

Patient Comments (10)

Jerk does not even begin to describe this doctor. RUN as fast as you can and avoid all interaction with this doctor. I was sent to his office by referral and after waiting nearly two hours (he was 2 hrs 45 mins behind schedule and in a mood that words cannot describe; perhaps MONSTER comes...more
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This guy is a huge jerk. Wanted lots of tests before I could continue remiciade infusions. The scheduler wanted to schedule a chest X-ray which wasn’t covered in the appointment. I wanted the dr to call me to explain what this was for when he said I was too difficult and should go to the Mayo...more
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We would appreciate the opportunity to discuss at your convenience please contact our practice administrator at (904) 265-6410.

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Dr. Fleisher was the best GI Dr that I ever had! I live in South Florida so it's hard to see him but I always recommend Dr. Fleisher to anyone that lives in Jacksonville. I have been through a lot of doctors and have not met anyone that listens to me as the patient. Dr. Fleisher is very...more
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Thank you for sharing your experience with us.

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Due to a complicated health problem I was dealing with another specialist sent some troubling test results to Dr Fleisher attempting to get him to move up an upcoming appointment. He refused to do so leaving me no option but to wait an extended time to see him. In the meantime I was diagnosed with...more
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We apologize and would love to talk to you to better understand what occurred, as we want each experience to be a positive one. Please contact our Administrator, Vicki King at (904) 265-6410.

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My husband and I have been patients of Dr. Fleisher for 7 years. This Monday I had a 4pm appt. with Dr. Fleisher at Bapt. Hosp. We were having trouble finding a parking space. I made a call to his office letting the them know I was there and may be a couple of minutes late. We were in the lobby...more
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Thank you for reaching out to us with your review. Please contact our Practice Administrator at (904) 265-6410 so that we can review what happened during your visit. Thank you.

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