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Najjia N. Mahmoud, MD

Najjia N. Mahmoud, MD Surgeon

Chief, Division of Colon and Rectal Surgery
Associate Professor of Surgery at the Hospital of the University of Pennsylvania and the Pennsylvania Hospital
Associate Professor of Obstetrics and Gynecology

Dr. Mahmoud is a Penn Medicine employed physician.

About Dr. Najjia N. Mahmoud

Recognized annually in Philadelphia Magazine's Top Docs issue from 2010 through 2016

Recognized by Best Doctors in America 2005-2006, 2007-2008, 2009-2010, 2011-2012, 2013-2014

Clinical Specialties

Specialty:

  • Surgery
    • Colon and Rectal Surgery

Programs & Centers:

Board Certification:

  • Colon and Rectal Surgery, 2002
  • Surgery, 2001

Clinical Expertise:

  • Anal Abscess
  • Anal Cancer
  • Anal Fistula
  • Anal Surgery
  • Anal Warts
  • Anorectal Abscess
  • Appendectomy
  • Bowel incontinence (Fecal Incontinence)
  • Cancer Surgery
  • Colitis
  • Colon Biopsy
  • Colon Cancer
  • Colon Fistula
  • Colon Polyps
  • Colon Polyps - Laparoscopy
  • Colon Surgery
  • Colon Surgery - Laparoscopic
  • Colonoscopy
  • Colorectal Surgery
  • Colostomy - Laparoscopic
  • Crohn's Disease
  • Cutaneous Fistula
  • Diverticulitis (Colonic Diverticulitis)
  • Endorectal Ultrasound
  • Enterocele Repair
  • Gastrointestinal Bleeding
  • Gastrointestinal Cancer
  • Gastrointestinal Carcinoid Tumor
  • Gastrointestinal Surgery
  • Gastrointestinal Tumor
  • Genital Warts (Condyloma Acuminatum)
  • Hemorrhoid Banding
  • Hemorrhoid Surgery
  • Hemorrhoids
  • Hidradenitis
  • Ileal J-Pouch Anal Anastomosis (IPAA) Surgery
  • Ileostomy - Laparoscopic
  • Inflammatory Bowel Disease - Surgery
  • Intestinal Diseases
  • Intestinal Surgery - Laparoscopic
  • Laparoscopic Appendectomy
  • Laparoscopic Surgery
  • Laparoscopy
  • Liver Cancer
  • Neuroendocrine Tumors
  • Parastomal Hernia Evaluation and Repair
  • Pelvic Floor Reconstructive Surgery
  • Pelvic Organ Prolapse
  • Pilonidal Cyst Surgery
  • Polyps
  • Proctoscopy
  • Rectal Biopsy
  • Rectal Cancer
  • Rectal Fistula
  • Rectal Strictures
  • Rectal Surgery
  • Rectal Surgery - Laparoscopic
  • Rectocele Repair
  • Rectovaginal Fistula
  • Retropubic/Vaginal Suspensions
  • Small Intestine Cancer
  • Sphincter Saving Surgery
  • Ulcerative Colitis
  • Urinary Incontinence in Men
  • Urinary Incontinence in Women
  • Ventral Hernia Repair

Practice Locations and Appointments

  • Colon and Rectal Surgery

    Perelman Center for Advanced Medicine West Pavilion, 4th Floor 3400 Civic Center Boulevard Philadelphia, PA 19104 800-789-PENN (7366)

    A facility of the Hospital of the University of Pennsylvania

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: Weill Medical College of Cornell University
Residency: NewYork-Presbyterian/Weill Cornell Medical Center
Fellowship: University of Minnesota Hospitals

Memberships

Abramson Cancer Center, University of Pennsylvania, Cancer Control and Prevention Group, National American Association for Cancer Research #18115, National American Association of Women Surgeons, National American Board of Colon and Rectal Surgery, National American College of Surgeons FACS 2005-present, National American Society of Colon and Rectal Surgeons FASCRS 2005-present, National Crohn’s and Colitis Foundation of America, National Halsted Society, National Onco-Link consultant, neoplastic diseases of the colon and rectum., International Pennsylvania Society of Colon and Rectal Surgeons, Local Philadelphia Academy of Surgery, Local Society of Surgical Oncology, National Surgical Society of the Alimentary Tract, National

Hospital Affiliation

Dr. Mahmoud is a Penn Medicine employed physician.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.

Research

Selected Publications:

Stein D, Mahmoud NN, Rose D, Anne P, Goldstein S, Isenberg G, Mitchell E, Fry RD.: A Longer Time Interval Between Completion of Neoadjuvant Chemoradiation and Surgical Resection Does not Improve Downstaging of Rectal Carcinoma. Proceedings of the American Society of Colon and Rectal Surgeons : 2002.

Mahmoud NN, Madoff RD, Rothernberger DA, Finne CO.: TEM Reduces the Incidence of Positive Margins Compared to Transanal Excision for Rectal Tumors. Proceedings of the American Society of Colon and Rectal Surgeons : 2001.

Mahmoud NN, Bilinski RT, Churchill MR, Edelmann W, Kucherlapati R, Bertagnolli MM: Genotype-phenotype correlation in murine APC utation: Differences in enterocyte migration and response to sulindac Cancer Research 59 (2): 353-359,1999.

Mahmoud NN, Mack CA, DeCosse JJ, Michaeli J, Bertagnolli MM: Debulking of a gastrointestinal hemangioma alleviates coagulopathy associated with Kasabach-Merritt syndrome Surgery 125 (2): 236-238,1999.

Mahmoud NN, Bilinski RT, Mestre J, Martucci C, Bertagnolli MM: Administration of an unconjugated bile acid increases duodenal tumors in a murine model of familial adenomatous polyposis Carcinogenesis 20 (2): 101-105,1999.

Carothers AM, Chiao C, Barrett JC, Mahmoud NN, Weyant MJ, Bilinski RT, Churchill MR, Grunberger D, Bertagnolli MM.: Caffeic Acid Phenethyl Ester (CAPE) Prevents Tumors in Min/+ Mice and Regulates p53 Function In Vitro. International Society of Cancer Chemoprevention, Strang International Cancer Prevention Conference, November 14, 1998; Annals of the New York Academy of Science : 1999.

Carothers AM, Weyant MJ, Mahmoud NN, Bilinski RT, Bertagnolli MM: Estrogen modulates intestinal tumorigenesis in vitro and in vivo Proceedings of the American Association of Cancer Research 40 : 530,1999.

Academic Contact Info

Division of Colorectal Surgery - Department of Surgery
Hospital of the University of Pennsylvania
4 Silverstein Pavilion
3400 Spruce Street

Philadelphia, PA 19104
Phone: (215) 662-2078
Patient appointments: 800-789-PENN (7366)

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