Summary

Dr. Dennis Gage is an endocrinologist specializing in diabetes and metabolism, with additional expertise in internal medicine and nutrition. He earned his medical degree from New York University School of Medicine and completed his residency at Mount Sinai Medical Center. With five decades of medical practice, Dr. Gage brings extensive experience to his patient care. He is fluent in Italian and Spanish, allowing him to serve diverse patient populations.

Dr. Gage practices at Mount Sinai Brooklyn and maintains affiliations with Lenox Hill Hospital and Mount Sinai West in New York. His endocrinology practice focuses on helping patients manage diabetes and metabolic disorders. He also provides comprehensive internal medicine care and nutritional guidance to support overall health and wellness. Patients have given him an average rating of 3.9 on Vitals.

Overview based on verified provider data

Quick Facts

  • 3.9
  • 50 years of experience
  • 12 insurance plans accepted
  • speaks Italian, Spanish
  • Mount Sinai Medical Center
  • 16 written reviews
  • 3 specialties
  • 13 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Dennis Gage has 3 locations

Mount Sinai Brooklyn

3201 Kings HwyBrooklyn, NY 11234

Lenox Hill Hospital

100 E 77th StNew York, NY 10075

Mount Sinai West

1000 10th AveNew York, NY 10019

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Dr. Dennis Gage, MDDr. Crystal D Kamilaris, MDDr. Jiali Fang, MDDr. Naina Sinha Gregory, MD
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & Metabolism
Accepts New Patients Accepts New Patients
3.9 
3.6 
50 Years of Experience 15 Years of Experience 8 Years of Experience 27 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Italian, Spanish Speaks English, Greek Speaks English
Brooklyn , NYNew York , NYNew York , NYNew York , NY
Med School: New York University School Of Medicine Med School: University Of Patras School Of Health Sciences Med School: Northwestern University Feinberg School Of Medicine Med School: Columbia University College Of Physicians & Surgeons
Current Profile
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Insurance Plans Accepted by Dr. Dennis Gage

  • Aetna
  • Anthem Blue Cross
  • HealthFirst (NY)
  • Horizon NJ Health
  • MagnaCare
  • March Vision Care
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • UnitedHealthcare
  • UnitedHealthcare Oxford

Medical Specialties

Dr. Dennis Gage has the following 3 specialties

Specialty Expertise

Dr. Dennis Gage has the following 13 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Nutrition
  • Weight Loss

Certifications, License, & Education

50 Years Experience

Dr. Dennis Gage holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2028.

Education & Training

Residency

Completed their residency at Mount Sinai Medical Center.

Medical School

Graduated from New York University School Of Medicine in 1976.

NPI Number

Dr. Gage's NPI number is 1023014776.

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Frequently Asked Questions

Does Dr. Dennis Gage accept my insurance?
You can see the insurance plans that Dr. Dennis Gage accepts on their Vitals profile.
Which hospitals is Dr. Dennis Gage affiliated with?
Dr. Dennis Gage is affiliated with Mount Sinai Brooklyn.
Does Dr. Dennis Gage accept virtual/telehealth appointments?
Dr. Dennis Gage has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Dennis Gage's office located?
Dr. Dennis Gage's office is located at 3201 Kings Hwy, Brooklyn, NY, 11234.
Is Dr. Dennis Gage accepting new patients?
Dr. Dennis Gage has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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