Summit Internal Medicine, LLC

33 Overlook Road Suite L06

Summit, NJ 07901

Phone- 908-522-0050

Fax- 908-516-2946


Summit Internal Medicine is the practice of Dr. Lisa Toffey, Dr. Emily Jeffries, and Dr. Gomathy Subramanian. They are Board Certifed Internal Medicine doctors. The practice is accepting new patients.

We are convientently located in the Medical Arts Center next to Overlook Hospital. 

Practice Office Hours:

            Monday            8:00 AM – 5:00 PM

            Tuesday           8:00 AM – 5:00 PM

            Wednesday      8:00 AM – 5:00 PM

            Thursday          8:00 AM – 5:00 PM

            Friday               8:00 AM – 5:00 PM

We accept most insurances, including Aetna, Oxford, Medicare, United Health Insurance, Cigna, and Horizon Blue Cross Blue Shield.

COVID-19 vaccinations will not be available at our office. You can register to receive the vaccine at You can also locate a vaccine center in your area by visiting this page.