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6036 N 19th AveSte 208Phoenix, AZ 85015
Phone+1 480-896-9888
Fax+1 602-953-5466
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Summary
- Dr. Omar Marar is a colorectal surgeon based in Phoenix, AZ, specializing in colon and rectal surgery. He completed his medical education at the Royal College of Surgeons in Ireland and pursued further training with surgical residencies at Abington Memorial Hospital and Rutgers Health/St Barnabas Medical Center. He also completed a fellowship in colon and rectal surgery at Sidney Kimmel Medical College at Thomas Jefferson University. Presently, he practices at CMU Health and is experienced in procedures such as hemorrhoids treatment, endoscopy, and various forms of scoping including esophagogastroduodenoscopy, colonoscopy, and flexible sigmoidoscopy. Dr. Marar has contributed publications on topics including colo-cutaneous fistulas, robotic vs. laparoscopic colectomy, neoadjuvant systemic therapy for colon cancer, and metastatic pancreatic adenocarcinoma. His work has been cited multiple times in other scientific literature. He has received several awards for teaching excellence and surgical proficiency throughout his career.
Education & Training
Sidney Kimmel Medical College at Thomas Jefferson University/TJUHFellowship, Colon and Rectal Surgery, 2017 - 2018
Rutgers Health/St Barnabas Medical CenterResidency, Surgery, 2013 - 2014
Abington Memorial HospitalResidency, Surgery, 2012 - 2013
Royal College of Surgeons IrelandClass of 2012
Certifications & Licensure
MI State Medical License 2017 - 2028
AZ State Medical License 2025 - 2027
PA State Medical License 2012 - 2018
NJ State Medical License 2013 - 2017
American Board of Colon and Rectal Surgery Colon & Rectal Surgery
American Board of Surgery Surgery
Awards, Honors, & Recognition
- Dr. Debasish and Chinu Mridha Spirit of Teaching Award CMU, 2021
- Outstanding Teacher Award CMU, 2018
- Robert S. Dorian Award Saint Barnabas Medical Center, 2017
Publications & Presentations
PubMed
- 5 citationsIs There a Role for Neoadjuvant Systemic Therapy for cT4bM0 Colon Cancer? A Propensity Score-Matched Analysis of the National Cancer Database.Mohamed K Kamel, Anastasiya Shchatsko, Charles A Keane, Eduardo Serpa, Ghaith Al-Qudah
Diseases of the Colon and Rectum. 2023-11-01 - Colo-cutaneous fistula to the thigh secondary to acute sigmoid diverticulitis: a case report.Eduardo Serpa, Felipe Pacheco, Sundarachalam Pindicura, Omar Marar
Journal of Surgical Case Reports. 2023-05-01 - 6 citationsRobotic Approach is Associated With a Lower Conversion Rate Compared to Laparoscopic Approach for Patients Undergoing Colectomy for T4b Colon Cancer. An Analysis of th...Mohamed K Kamel, Ghaith Al-Qudah, Anastasiya Shchatsko, Charles A Keane, Eduardo Serpa
Surgical Innovation. 2023-04-01
Press Mentions
Dr. Omar Marar on the Future of Robotic-Assisted Surgery in Colorectal ProceduresOctober 17th, 2024
Dr. Omar Marar Shares His Thoughts on the Evolution of Minimally Invasive Surgery Through Robotic InnovationMarch 12th, 2026
Professional Memberships
- Fellow
- Member
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