David Leff, DO Gastroenterology Open Now

Dr. David Leff, DO

Gastroenterology, Internal Medicine
Mesa, AZ 85206
Accepting New Patients Visit Website
(480) 939-4465

Patients’ Perspective

  • Easy scheduling
  • On-time appointments
  • Good bedside manner

About David Leff DO

Dr. David Leff, DO is a health care provider primarily located in Mesa, AZ. He has 32 years of experience. His specialties include Gastroenterology, Internal Medicine. Dr. Leff is affiliated with HonorHealth John C Lincoln Medical Center. He speaks Spanish and English.


  • On-Time Doctor Award (2018, 2017, 2016, 2015, 2014)

    On-Time Doctor AwardVitals On-Time + Promptness Award recognizes doctors with consistent high ratings for timeliness of appointments. The honor is granted based on a physician's overall and promptness scores.

  • Compassionate Doctor Recognition (2018, 2017, 2016, 2015, 2014)

    Compassionate Doctor RecognitionCompassionate Doctor certification is granted to physicians who treat their patients with the utmost kindness. The honor is granted based on a physician's overall and bedside manner scores.

  • Patients' Choice Award (2018, 2017, 2016)

    Patients' Choice AwardPatients' Choice recognition reflects the difference a particular physician has made in the lives of his/her patients. The honor is bestowed to physicians who have received near perfect scores, as voted by patients.

  • Click for our Methodology


Central Arizona Medical Associates Pc 3638 E Southern Ave Ste C108 Mesa, AZ 85206


Dr. David Leff has the following 2 specialties

Specialty Expertise

Dr. David Leff has the following 10 areas of expertise

  • Constipation
  • Hepatitis C
  • Abdominal Pain
  • Colonoscopy
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis
  • Hemorrhoids
  • Acid Reflux Disease (GERD)
  • Celiac Disease


32 Years Experience

Western Pennsylvania Hospital


Des Moines University College Of Osteopathic Medicine

Graduated in 1991

Dr. David Leff Accepts the Following Insurance

  • Most Insurance Plans Accepted

More about Dr. David Leff

Dr. David  Leff graduated in 1991 from the Des Moines University, College of Osteopathic Medicine, Des Moines, Iowa. He is an Adjunct Assistant Professor, Division of Clinical Education Midwestern University – Arizona College of Osteopathic Medicine and is on the Medical Advisory Board for the American Liver Foundation South West Chapter. He has a special interest in IBS and liver disease/Hepatitis C along with heartburn and colon cancer screening. 

He completed his residency in Internal Medicine in 1995 and his Fellowship in Gastroenterology in 1997 at The Western Pennsylvania Hospital in Pittsburgh, Pennsylvania.

Dr. Leff has been in practice in Arizona since coming here in 1997