Did You Know????
The Canandaigua Medical Group Departments of Pediatrics has Office Hours every Saturday Morning from 8AM until 12 Noon in our Canandaigua Office.

You also have access to the on-call Pediatrician all weekend via telephone. At times, arrangements can be made to see the on-call doctor in the Canandaigua Office during times other than our regular Saturday morning hours.

It is very important for your child to see their physician whenever possible, so, if your child needs to see a physician on the weekend, please call 585-393-2860 or 585-396-6000 if the office is closed. Beginning March 2, 2015 the after hours phone number will be 585-258-4890 .


The Department of Pediatrics has 6 physicians and 2 nurse practitioners. They have offices in Canandaigua and Farmington and are accepting new patients.

Office telephone numbers
General Number


Douglas Alling, MD –¬†393-2852
Eric Beyer, MD – 585-393-2860
Brian Campbell, DO – 585-393-2860
Margaret Hollister, MD – 585-393-2860
David Ragonesi, MD – 585-924-2030
Odet Youssef, MD – 585-924-2030
Frances Herd, NP – 585-393-2860
Adrienne Springer, NP – 585-924-2030


What is a medical specialist?

What is a Pediatrician?

What is a Nurse Practitioner?