Dr. Michael J. Demaria
- Gender: Male
- Experience: 38 years
- Graduation year: 1983
- Sole propriator: Yes
- NPI: 1790780724
Dr. Michael J. Demaria M.D.
Gastroenterologist
He is located at 10 Medical Plaza Suite 303 in Glen Cove, NY 11542. Can help patients with the following: Celiac Disease, Cholecystitis, Colitis, Diarrhea, Hemorrhoids, Migraine. His National Provider Identifier (NPI) number is 1790780724. Appointment can be made via the phone number (516) 676-0239. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. Michael Joseph Demaria, 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. Michael J. Demaria.
- 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. Michael J. Demaria
Insurances Accepted by Dr. Michael J. Demaria
- Medicare
Medicare Enrollment
Dr. Michael J. Demaria is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Gastroenterology) .
Bills through: Harmony Health Care Long Island
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
| AstraZeneca | $128 |
| GlaxoSmithKline | $122 |
| Astellas Pharma | $100 |
Other
| Food and Beverage | $483 |
| Consulting | $20 |
Studies
Graduated in 1983Additional Specialities
- General Practitioner
- Internist
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Questions & Answers
Has Dr. Michael Joseph Demaria affiliation with hospitals?
Dr. Michael Joseph Demaria is affiliated with NS/LIJ HS-NORTH SHORE UNIVERSITY HOSPITAL AT MANHASSET. For the full list of hospitals see this list.
Does Dr. Michael Joseph Demaria accept patients with Medicare?
Yes, Dr. Michael Joseph Demaria accepts patients with Medicare.
Where can you meet with Dr. Michael Joseph Demaria?
Dr. Michael Joseph Demaria's office is located at 10 Medical Plaza Suite 303 in Glen Cove, NY 11542.
Does Dr. Michael Joseph Demaria have affiliation with practices?
Dr. Michael Joseph Demaria is affiliated with Northwell Health Physician Partners Internal Medicine & Gastroenterology at Glen Cove.
What conditions does Dr. Michael Joseph Demaria treat?
Dr. Michael Joseph Demaria provides treatment for Celiac Disease, Cholecystitis, Colitis, Diarrhea, Hemorrhoids, Migraine. For the full list see this list.