Internal Medicine

Did You Know????

The Canandaigua Medical Group Departments of Internal Medicine has Office Hours every Saturday Morning from 8AM until 12 Noon in our Canandaigua Office.


The Department of Internal Medicine has 6 physicians and 2 nurse practitioners and 1 physician assistant. They see patients in the Canandaigua office and are accepting new patients.


Office telephone numbers
General Number


Douglas Alling, MD – 393-2852
Kipling Goh, MD – 393-2825
Michael Mitchko, MD – 393-2862
Jill K. Potts, MD – 393-2845
Carl Sahler, MD – 393-2828
Rachel Reed, PA – 393-2840
Susan Zumbo, NP – 393-2840


What is a medical specialist?

What is an Internist?

What is a Nurse Practitioner?