Summary

Dr. Quang Ton specializes in endocrinology, diabetes and metabolism, with additional expertise in internal medicine. He earned his medical degree from Ross University School of Medicine and completed his residency at Icahn School of Medicine at Mount Sinai in 1990. Dr. Ton furthered his training with a fellowship at University of Rochester Strong Memorial Hospital, also completed in 1990. With 36 years of experience treating patients with complex metabolic conditions, he brings extensive knowledge to his practice. Dr. Ton communicates with patients in English.

Dr. Ton practices at Garnet Health Medical Center and sees patients in Stamford and Greenwich, Connecticut. He focuses on treating various forms of diabetes, including type 2 diabetes in children and teens as well as diabetes management in older adults. His approach includes comprehensive diabetes care for patients of all ages. Dr. Ton performs essential diagnostic tests such as complete blood counts and thyroid function evaluations to monitor his patients' health. Patients have given him an average rating of 3.0 on Vitals.
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Overview based on verified provider data

Quick Facts

  • 3
  • 36 years of experience
  • 39 insurance plans accepted
  • speaks English
  • University of Rochester Strong Memorial Hospital
  • 2 written reviews
  • 3 specialties
  • 15 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Spent time with me
  • Provided follow-up after the visit

Office Locations

Quang Ton has 2 locations

Quang Ton

260 Long Ridge Rd Ste 3300Stamford, CT 06902
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

Quang Ton

75 Holly Hill Ln Ste 202Greenwich, CT 06830
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

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Quang Ton, MDDr. Brittany K Wise-Oringer, MDDr. Patricia M. Vuguin, MDDr. Himani Chandra, MD
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & Metabolism
Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
3.3 
36 Years of Experience 12 Years of Experience 38 Years of Experience 24 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks Spanish Speaks English
Stamford , CTWhite Plains , NYBronx , NYCortlandt Manor , NY
Med School: Ross University School of Medicine Med School: Baylor College Of Medicine Med School: Universidad De Buenos Aires Med School: Georgetown University School of Medicine
Current Profile
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Insurance Plans Accepted by Quang Ton

  • 1199SEIU
  • Aetna
  • Aetna - Medicare
  • Affinity Health Plan
  • AmeriGroup
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • CDPHP
  • Cigna
  • Cigna-HealthSpring
  • EmblemHealth
  • EmblemHealth - HMO
  • Empire Blue Cross Blue Shield
  • Excellus Blue Cross Blue Shield
  • Fidelis Care (NY)
  • GEHA
  • Hamaspik Choice
  • HealthFirst (NY)
  • Humana
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • MVP Health Care
  • Nippon Life Benefits
  • Optum Health
  • Oscar Health Insurance
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Oxford
  • UnitedHealthcare Oxford - HMO
  • US Family Health Plan
  • Wellcare

Medical Specialties

Quang Ton has the following 3 specialties

Specialty Expertise

Quang Ton has the following 15 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes Mellitus, Type 1
  • Diabetes, Type 2
  • Endocrinology & Metabolism
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine

Certifications, License, & Education

36 Years Experience

Quang Ton holds expired and active medical licenses in the states of Connecticut and New York.

Medical License

Medical Doctor with an expired medical license in the state of Connecticut that expired in 2025 and an active medical license in the state of New York that expires in 2026.

Education & Training

Fellowship

Completed their fellowship at University of Rochester Strong Memorial Hospital in 1990.

Residency

Completed their residency at Icahn School of Medicine at Mount Sinai in 1990.

Medical School

Graduated from Ross University School of Medicine in 1990.

NPI Number

Quang Ton's NPI number is 1689912669.

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Frequently Asked Questions

Is Quang Ton accepting new patients?
Quang Ton has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Quang Ton accept my insurance?
You can see the insurance plans that Quang Ton accepts on their Vitals profile.
How can I make an appointment with Quang Ton?
You can find contact information for Quang Ton here on Vitals.
What languages does Quang Ton speak?
Quang Ton speaks English.
Which hospitals is Quang Ton affiliated with?
Quang Ton is affiliated with Garnet Health Medical Center.

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