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North Suffolk

Welcome to North Suffolk Endocrinology. Dr. Joseph Terrana, FACE, ECNU is board-certified in Endocrinology, Diabetes, and Metabolism. His focus is on all aspects of diabetes care, thyroid disorders, and general endocrinology.




background information

About Dr. Terrana

Primary Speciality:

Endocrinology, Diabetes and Metabolism

Secondary Speciality:

Internal Medicine

Medical Education:

Albert Einstein College of Medicine: 1998 Bronx, NY


University of Rochester - Strong Memorial Hospital: 2001, Rochester, NY


University of North Carolina at Chapel Hill: 2004, Chapel Hill, North Carolina


University of North Carolina at Chapel Hill: 2004, Chapel Hill, North Carolina

Undergraduate Education:

State University of New York at Binghamton: 1994 Binghamton, NY

Other Certifications:

Fellow- American College of Endocrinology (FACE): 2008 Endocrine Certification in Neck Ultrasound (ECNU): 2009

Board Certifications:

ABIM- Diabetes, Endocrinology and Metabolism: 2004 American Board of Internal Medicine (ABIM): 2001

Languages other than English:


In Practice Since:


Why Choose Us

Dr. Terrana is dedicated to always providing the highest quality, most compassionate care and service to each and every one of his patients.

Medical Privacy

Your confidentiality is very important to us. We are fully compliant with HIPAA (Health Insurance Portability and Accountability Act) privacy rules, policies and procedures.

Modern Equipment

Our practice utilizes state-of-the art equipment designed with safety and efficiency in mind to deliver high quality medical care.

Quality and Safety

We want you to feel comfortable with the care that you receive. We promote health and healing while maintaining proper safety protocols.

Qualified Doctor

Not only is Dr. Terrana a board certified, highly skilled doctor, he is also caring, compassionate, genuinely-concerned about his patients.

Electronic Health Records

Our patient portal is a secure online website that gives patients convenient, 24-hour access to personal health information from anywhere with an Internet connection.

Personalized Treatment

We take an individual interest in your medical needs, and tailor each appointment to your accordingly.

Get Started Today

Book an Appointment
© Copyright 2021 - Dr. Terrana - All Rights Reserved
Please note our phones are off for lunch from
12:30-1:30 M, W, Th, and F and Tuesdays from 12-2.

Monday: 9-4:30

Tuesday: 9-6:45

Wednesday: 9-4:30, please note there are limited follow up and new patient appointments available as this is Dr. Terrana’s day to perform biopsies and emergencies.

Thursday: 9-4:30

Friday: 9-4:30