Dr. John Tloczkowski, MD
Endocrinology, Diabetes & Metabolism*•Male•Age 46
Endocrinology, Diabetes & Metabolism*
Dr. John Tloczkowski, MD is a diabetes & metabolism endocrinologist in Greenlawn, NY and has over 15 years of experience in the medical field. Dr. Tloczkowski has extensive experience in Metabolic Disorders, Thyroid Disorders, and Osteoporosis & Screening. He graduated from State University of New York Downstate Health Sciences University College of Medicine in 2007. He is affiliated with medical facilities Huntington Hospital and Mount Sinai Hospital. He is accepting telehealth appointments.

Mount Sinai Doctors Long Island
5 Cuba Hill Rd Greenlawn, NY 11740Hospital Highlight
Dr. Tloczkowski is affiliated with Huntington Hospital Huntington, a highly rated hospital.
At a Glance
- Area of ExpertiseDr. Tloczkowski specializes in the area of Diabetes, Metabolism & Endocrinology. • See board certifications
- Explains Conditions Well
- Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital

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Dr. Tloczkowski's Reviews
Likelihood to recommend Dr. Tloczkowski
4.9
5 Star | 90% | 90% |
4 Star | 8% | 8% |
3 Star | 1% | 1% |
2 Star | 0% | 0% |
1 Star | 1% | 1% |
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Likelihood of recommending Dr. Tloczkowski to family and friends is 4.858209 out of 5
About Me
biography
Dr. John Tloczkowski, MD is a diabetes & metabolism endocrinologist in Greenlawn, NY and has over 15 years of experience in the medical field. Dr. Tloczkowski has extensive experience in Metabolic Disorders, Thyroid Disorders, and Osteoporosis...read moreEndocrinology, Diabetes & Metabolism
Internal Medicine
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
State University Of New York Downstate Health Sciences University College Of Medicine
Medical School, 2007
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkFocus on Diabetes
Locations
Mount Sinai Doctors Long Island
Affiliated Hospitals
- Recipient of 12
hospital awardsView all awardsPatient Safety Excellence Award™ (2025, 2024, 2023)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
83%Patients said they were given information about recovering at home1% lower than the national average
77%Patients said that nurses always listened to them and explained things well2% higher than the national average
- Recipient of 27
hospital awardsView all patient feedbackHow patients felt about the care they received at this hospital.
85%Patients said they were given information about recovering at home1% higher than the national average
76%Patients said that doctors always listened to them and explained things well
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