Summary

Dr. Michael Demaria is an internal medicine physician who also specializes in gastroenterology. He earned his medical degree from McGill University Faculty of Medicine and completed his residency training at North Shore University Hospital. With 43 years of experience in medicine, Dr. Demaria brings extensive knowledge to his practice. He communicates with patients in English.

Dr. Demaria is affiliated with Glen Cove Hospital, Nassau University Medical Center, and Long Island Jewish Valley Stream, with practice locations in Glen Cove, Hempstead, and Valley Stream, New York. He treats patients with high cholesterol and hypertension, helping manage these common cardiovascular conditions. His practice also provides essential preventive care services including flu vaccines, adult immunizations, and pneumococcal vaccines. Patients rate Dr. Demaria 4.8 out of 5 stars for his care.

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 DemariaRoy MartinDr. Naveen Pesala, MDDr. Piya Ghoshal, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
4.4 
43 Years of Experience 23 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Glen Cove , NYCollege Point , NYNew York , NYAmityville , NY
Med School: Mc Gill Univ Fac Of Med Med School: Sri Ramachandra Med Col Med School: St Georges University School Of Medicine
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

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.
Does Dr Michael Demaria accept my insurance?
You can see the insurance plans that Dr Michael Demaria accepts on their Vitals profile.
How can I make an appointment with Dr Michael Demaria?
You can find contact information for Dr Michael Demaria here on Vitals.
Where is Dr Michael Demaria's office located?
Dr Michael Demaria's office is located at 10 Medical Plz, Glen Cove, NY, 11542.
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.

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