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Dr. Tommy O 

A Leader in Modern Health Care

Thomas G. O'Brien, D.O.

Osteopath Medical Doctor 

You're in Good Hands

Pain Management

Weight loss

Medical Marijuana Pioneer / Author

Dr. Tommy O's Office

Located in a vibrant community on the South Shore, Long Island!

Our practice combines the traditional values of a small family practice with advanced medical technology to ensure that our patients receive the highest and most comprehensive health care available. With the added benefits of Osteopathic Manipulative Medicine and Clinical Nutrition, we can help our patients find the course of treatment that is right for them. 


An emphasis is placed on continual health care maintenance which is accomplished by educating every patient so that their individual healthcare needs can be met. Treatment for each patient is customized to meet all acute and chronic medical conditions.

We strive to create an environment where every patient feels comfortable, enabling two-way communication in order to establish a strong, trusting and open relationship between patient and doctor. Giving our patients the time, sensitivity, and care they deserve is of utmost importance to us.