Contact Us


Greater Baltimore Medical Center

6535 North Charles Street, Pavilion North Suite 400 Towson, MD 21204 Get Directions Make an Appointment

Weather Line

Information about the office hours during days of inclement weather can be heard by calling our main number

410-828-7417, and dial extension 210.

This line is updated by 7:00 am on days of bad weather. The day and date are always updated when a new message is recorded. Please be safe and check this line before driving to the office in bad weather.

If we are open our normal hours, the message will not be updated, and we can be reached after 8:30 am on our main number


People to know and contact in our practice

Dr.’s Horowitz Assistant
Tammy S. x 143

Dr. Tyzack, Dr. Pao and Dr. Haber’s Assistant
Kristy B. x 103

Dr. Mindel and Dr. Peng’s Assistant
Barb x 102

Dr. Davidson and Dr. Khan’s Assistant
Crissy x 122

New patient scheduler
Katie A. x 170

Front desk
Sandie C. x 137
Alicia J. x 142
Jaime C. x 149

Kim N. x 130

Practice Manager 
Jenn B x 171

Lab Manager
Monica H. x 136

Billing and Administrative Services Manager
Jen B. x 171



Driving Directions (PDF)

Below is a map of the entire GBMC campus. It’s important to note we are located in the North Pavillion which is on the grounds of Sheppard Pratt.

Campus Map (PDF)


The office will be closed on the following days: New Year’s Day, Memorial Day, Fourth of July, Labor Day, Thanksgiving Day (the day after), and Christmas Day.

For life-threatening emergencies, call “911” or proceed to the nearest emergency department.