Dr. David B. Leff
- Gender: Male
- Experience: 30 years
- Graduation year: 1991
- Sole propriator: No
- NPI: 1619956505
Dr. David B. Leff DO
Gastroenterologist
He is located at 3638 East Southern Avenue Suite C101 in Mesa, AZ 85206. Can help patients with the following: Anemia, Bladder Control, Eosinophilic Esophagitis, Fatty Liver Disease, Heart Disease, Hemorrhoids. His National Provider Identifier (NPI) number is 1619956505. Appointment can be made via the phone number (480) 564-3763. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. David B. Leff, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. David B. Leff.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. David B. Leff
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. David B. Leff as in-network for the following 2026 plans.
Health plans
Ambetter from Arizona Complete Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter from Arizona Complete Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Choice Bronze HSA | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Choice Bronze HSA + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Complete Gold | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Complete Silver | HMO · Silver | Preferred | Accepting new patients |
| Complete Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Elite Gold | HMO · Gold | Preferred | Accepting new patients |
| Elite Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
Blue Cross Blue Shield of Arizona
Network data as of Jun 29, 2026, as reported by the insurer.
Show all 12 plans from Blue Cross Blue Shield of Arizona
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| AZ Blue ACA StandardHealth Silver with Health Choice (7 plan variants) | HMO · Silver | Acahealthchoice | Accepting new patients |
| AZ Blue AdvanceHealth Bronze Focus (4 Free PCP Visits) (5 plan variants) | HMO · Expanded Bronze | Focus | Accepting new patients |
| AZ Blue AdvanceHealth Gold Focus (4 Free PCP Visits) (5 plan variants) | HMO · Gold | Focus | Accepting new patients |
| AZ Blue AdvanceHealth Silver Focus (4 Free PCP Visits) (5 plan variants) | HMO · Silver | Focus | Accepting new patients |
| AZ Blue EverydayHealth Gold Focus (1 Free PCP Visit) (3 plan variants) | HMO · Gold | Focus | Accepting new patients |
| AZ Blue EverydayHealth Prosano Gold ($0 Prosano Health Visits) (2 plan variants) | HMO · Gold | Focus Prosano | Accepting new patients |
| AZ Blue EverydayHealth Prosano Silver ($0 Prosano Health Visits) (2 plan variants) | HMO · Silver | Focus Prosano | Accepting new patients |
| AZ Blue EverydayHealth Silver Focus (1 Free PCP Visit) (3 plan variants) | HMO · Silver | Focus | Accepting new patients |
| AZ Blue Portfolio Bronze HSA Focus (5 plan variants) | HMO · Expanded Bronze | Focus | Accepting new patients |
| AZ Blue StandardHealth Bronze Focus (5 plan variants) | HMO · Expanded Bronze | Focus | Accepting new patients |
| AZ Blue StandardHealth Gold Focus (5 plan variants) | HMO · Gold | Focus | Accepting new patients |
| AZ Blue StandardHealth Silver Focus (5 plan variants) | HMO · Silver | Focus | Accepting new patients |
Oscar Health Plan, Inc.
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 17 plans from Oscar Health Plan, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Buena Salud Bronce Simple Para Diabetes | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic | HMO · Gold | Preferred | Accepting new patients |
| Gold Classic Standard | HMO · Gold | Preferred | Accepting new patients |
| Gold Simple | HMO · Gold | Preferred | Accepting new patients |
| Gold Simple Diabetes | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard | HMO · Silver | Preferred | Accepting new patients |
| Silver Elite Saver Plus | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Specialist Saver with COPD | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. David B. Leff is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. David B. Leff is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Central Arizona Medical Associates Pc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AbbVie | $180022 |
| Allergan | $74660 |
| Gilead Sciences | $72551 |
Other
| Promotional Speaking or Service | $324688 |
| Other | $75050 |
| Travel and Lodging | $62301 |
| Food and Beverage | $27157 |
| Consulting | $22750 |
Studies
Graduated in 1991Additional Specialities
- Internist
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Questions & Answers
Where can you meet with Dr. David B. Leff?
Dr. David B. Leff's office is located at 3638 East Southern Avenue Suite C101 in Mesa, AZ 85206.
Has Dr. David B. Leff affiliation with hospitals?
Dr. David B. Leff is affiliated with BANNER BAYWOOD MEDICAL CENTER. For the full list of hospitals see this list.
Does Dr. David B. Leff have affiliation with practices?
Dr. David B. Leff is affiliated with Central Arizona Medical Associates.
What conditions does Dr. David B. Leff treat?
Dr. David B. Leff provides treatment for Anemia, Bladder Control, Eosinophilic Esophagitis, Fatty Liver Disease, Heart Disease, Hemorrhoids. For the full list see this list.
Does Dr. David B. Leff accept patients with Blue Cross Blue Shield of Arizona?
Yes, Dr. David B. Leff is listed in-network for Blue Cross Blue Shield of Arizona through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.