NYC Endocrinologist

Barry J.

Internal Medicine
Endocrinology &

Call for Appointment: (212) 772-3333
520 E72nd St. New York, NY 10021


Dr. Klyde is an experienced, board-certified endocrinologist who believes that good medicine stems from a close doctor-patient relationship. Building trust revolves around longer face-to-face appointments, strong communication, proactive patient involvement, and educated discussions about medical decisions. It is this care, compassion and professionalism that has brought many patients to the office of Dr. Klyde.

Expert medical advice to help you make informed medical decisions.


Dr. Klyde grew up in Queens, obtained his undergraduate degree from Cornell, and his MD from Stanford. He did research at Rockefeller University during his endocrinology fellowship at Cornell. In addition to private practice, Dr. Klyde teaches endocrinology fellows at Weill Cornell Medical College.

In-Office Laboratory

Our medical office is equipped with the latest, state-of-the-art examination, testing and measurement equipment. From bone densitometry (DEXA) to blood chemistry analysis, many of the common tests needed to diagnose and manage treatment are right in the office, making best use of your time, and optimizing the quality of the test results.

Insurance Policy

In order to provide the best patient care, the office of Dr. Klyde does not accept insurance. To read more about why Dr. Klyde has chosen this path, what benefit it is to you, and how the office will help you get reimbursement from your insurance company, follow the link below:

Others say it best


“Dr. Klyde saved my life... I believe Dr. Klyde is unique in his clinical knowledge and approach (a national treasure). One example which you have likely not experienced: he is very thorough, will take your history for about an hour and answer all your questions.” — Patricia W. (Google)

“Dr. Klyde is an excellent “old school” doctor hard to find these days. He spent a lot of time talking with me and helping me make lifestyle changes as well as prescriptions to help me deal with my ailment. I thank him so much and recommend him to all my friends.” Name Hidden (Rate MDs)


How Can We Help? 


Mailing Address:

Barry J. Klyde, M.D., P.C
520 East 72nd Street, LO
New York, NY 10021


(212) 772-3333
Fax: (212) 794-1390

Office Hours:

Mon, Wed, Fri -9:00 am to 5:00 pm
Tue, Thu - 8:00 am to 5:00 pm

Frequently Asked Questions »


The office of Dr. Barry J. Klyde M.D. is located on the Upper East Side of Manhattan, on 72nd St between York Avenue and the FDR Drive.

Mass Transit:
Less than 1 block from both the M72 and M31 New York City Transit Buses 72nd St. and York Ave stop. Or the office is three blocks from the Q-Train stop at 72nd and Second Avenue. Try the move-it app or web browser to get real time directions through mass transit —->