Summary

Dr. Michael Demaria specializes in internal medicine and gastroenterology, bringing over four decades of experience to his practice. He earned his medical degree from McGill University Faculty of Medicine and completed his residency at North Shore University Hospital. With 43 years of dedicated service in healthcare, Dr. Demaria has developed extensive expertise in treating adult patients with complex medical conditions. He provides care in English to patients throughout the Glen Cove area.

Dr. Demaria maintains affiliations with Glen Cove Hospital, Nassau University Medical Center, and Long Island Jewish Valley Stream, with practice locations in Glen Cove and Hempstead, New York. His clinical focus includes managing high cholesterol in children and teens, treating high blood pressure, and addressing lipid disorders. He also provides preventive care services such as flu vaccinations, adult immunizations, and pneumococcal vaccines to help patients maintain their health. Patients have rated Dr. Demaria highly for his care, giving him an average rating of 4.8.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.8
  • 43 years of experience
  • speaks English
  • North Shore University Hospital
  • 3 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 6 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr Michael Joseph Demaria has 6 locations

Northwell Health Physician Partners At Glen Cove

10 Medical PlzGlen Cove, NY 11542
Mon8:30 am - 6:00 pm
Tue8:30 am - 6:00 pm
Wed8:30 am - 6:00 pm
Thu8:30 am - 6:00 pm
Fri8:30 am - 6:00 pm
SatClosed
SunClosed

Harmony Healthcare Long Island

619 FULTON AVEHEMPSTEAD, NY 11550
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 6:00 pm
Sat9:00 am - 1:00 pm
SunClosed

Glen Cove Hospital

101 Saint Andrews LnGlen Cove, NY 11542

Nassau University Medical Center

2201 Hempstead TpkeEast Meadow, NY 11554

Long Island Jewish Valley Stream

900 Franklin AveValley Stream, NY 11580

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Dr Michael Joseph Demaria
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Dr Michael Joseph DemariaDr. Michael Benhuri, MDDr. Eric Yoon, MDDr. Peter George Hasapis, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
3.6 
4.1 
43 Years of Experience 40 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available No Virtual Visit Option
Speaks English Speaks Spanish, English Speaks English Speaks Russian, Spanish, English
Glen Cove , NYMassapequa , NYNew York , NYNew Canaan , CT
Med School: Mc Gill Univ Fac Of Med Med School: Universidad De Buenos Aires Med School: State University of New York Med School: Cornell University Medical College
Current Profile
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Insurance Plans Accepted by Dr Michael Joseph Demaria

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr Michael Joseph Demaria has the following 2 specialties

Specialty Expertise

Dr Michael Joseph Demaria has the following 11 areas of expertise

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

Certifications, License, & Education

43 Years Experience

Dr Michael Joseph Demaria holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2025.

Education & Training

Residency

Completed their residency at North Shore University Hospital.

Medical School

Graduated from Mc Gill Univ Fac Of Med in 1983.

NPI Number

Dr Demaria's NPI number is 1790780724.

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Frequently Asked Questions

What languages does Dr Michael Demaria speak?
Dr Michael Demaria speaks English.
Is Dr Michael Demaria accepting new patients?
Dr Michael Demaria is accepting new patients on Vitals. View Dr Michael Demaria's profile on Vitals to make an appointment.
How can I make an appointment with Dr Michael Demaria?
You can find contact information for Dr Michael Demaria here on Vitals.
Which hospitals is Dr Michael Demaria affiliated with?
Dr Michael Demaria is affiliated with Glen Cove Hospital, Nassau University Medical Center, and Long Island Jewish Valley Stream.
Does Dr Michael Demaria accept virtual/telehealth appointments?
Dr Michael Demaria has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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