Gregory Charak, MD

Colon and Rectal Surgery
Gregory Charak image
4.9 out of 5, 
Hackensack Meridian Medical Group (HMG) Logo
Accepting new patients

HMH - Surgery - Hackensack

20 Prospect Avenue, Suite 404 Hackensack, NJ 07601

Gregory S. Charak, M.D., PhD, is a fellowship-trained, board certified colorectal surgeon who has recently joined Hackensack Meridian Medical Group at Palisades Medical Center. Dr. Charak has expertise in colorectal related conditions and is supported by a dedicated, highly trained care team.   


Prior to joining HMH, Dr. Charak served as a Colon and Rectal Staff Surgeon at both the University of Kentucky Medical Center and the Lexington Veterans Affairs Medical Center, where he distinguished himself as a surgical educator.Dr Charak received the Recognition of Excellence in Medical Student and Resident Teaching award in 2020 and 2022. Dr. Charak has conducted research on  topics ranging from surgical education to perioperative care of ostomy reversal. He is an active member of the Association of Surgical Education, American Society of Colorectal Surgeons, and the American College of Surgeons.




Dr. Charak specializes in the following:


  • Anal cancer
  • Anorectal diseases
    • Anorectal infections
    • Hemorrhoids
    • Anal Fissure 
    • Anal Fistula 
  • Colon and rectal cancer
  • Colon resection
  • Colonoscopy 
  • Constipation/Obstructed Defecation
  • Diverticular disease
  • Fecal incontinence 
  • Inflammatory bowel disease 
  • Minimally invasive surgery
  • Rectal prolapse
  • Rectovaginal Fistula
  • Pilonidal disease
  • Stoma complications

Dr. Charak is currently utilizing robotic surgery techniques at Palisades Medical Center. This cutting-edge technology allows for minimally invasive surgical procedures, which are characterized by greater precision, smaller incisions, reduced pain, and quicker recovery times for patients.

Provider Information

Specialties

Colon and Rectal Surgery

Languages

English

Age groups seen

Adults
Adults Over 65

Hospital affiliations

Hackensack Meridian Medical Group
Palisades Medical Center
Hackensack University Medical Center

Education

New York Presbyterian Hospital/Columbia University
Fellowship, Colon & Rectal Surgery, 2019
Columbia University
Residency, Surgery (General Surgery), 2018
University of Pennsylvania School of Medicine
Medical Education

Certifications

Colon and Rectal Surgery - American Board of Colon and Rectal Surgery - 2021
General Surgery - American Board of Surgery - 2018

Verified Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
4.9 out of 5
151 ratings,
19 reviews
12/4/2025
Very humane, the attention and the institution too.
11/24/2025
Everything excellent.
11/20/2025
The doctor was an excellent professional; he explained everything to us, and we couldn't have asked for more. Very good, truly excellent.
11/6/2025
An excellent doctor, and also a very humane person.
11/3/2025
The Dr. and supporting staff were fantastic. I couldn't have asked for more. Thank you

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Map & Directions

HMH - Surgery - Hackensack

20 Prospect Avenue, Suite 404 Hackensack, NJ 07601