Dr. Marc A. Leaf
- Gender: Male
- Experience: 40 years
- Sole propriator: No
- NPI: 1700988797
Dr. Marc A. Leaf MD
Gastroenterologist
He is located at 8023 19th Avenue in Brooklyn, NY 11214. Can help patients with the following: Atherosclerosis, Autoimmune Hepatitis, Bladder Control, Diarrhea, Nausea and Vomiting, Pancreatic Cysts. His National Provider Identifier (NPI) number is 1700988797. Appointment can be made via the phone number (718) 232-3003. He is affiliated with 1 practices.
Conditions treated
Dr. Marc A. Leaf, 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. Marc A. Leaf.
- 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. Marc A. Leaf
Insurances Accepted by Dr. Marc A. Leaf
- Medicare
Medicare Enrollment
Dr. Marc A. Leaf is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Gastroenterology) .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- BROOKLYN, NY, 11214-1753
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| GlaxoSmithKline | $165 |
| Daiichi Sankyo | $127 |
| Valeant Pharmaceuticals North America | $126 |
Other
| Food and Beverage | $704 |
Additional Specialities
- Internist
Looking for more Gastroenterologists?
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Questions & Answers
Does Dr. Marc A. Leaf accept patients with Medicare?
Yes, Dr. Marc A. Leaf accepts patients with Medicare.
Does Dr. Marc A. Leaf have affiliation with practices?
Dr. Marc A. Leaf is affiliated with Maimonides Cancer Center.
Where can you meet with Dr. Marc A. Leaf?
Dr. Marc A. Leaf's office is located at 8023 19th Avenue in Brooklyn, NY 11214.
What conditions does Dr. Marc A. Leaf treat?
Dr. Marc A. Leaf provides treatment for Atherosclerosis, Autoimmune Hepatitis, Bladder Control, Diarrhea, Nausea and Vomiting, Pancreatic Cysts. For the full list see this list.