Contact Us

We are seeing a very limited number of patients in the office. The majority of appointments will be substituted with a virtual visit or rescheduled. Please do NOT come in for your appointment unless you have been contacted by a staff member.

Greater Baltimore Medical Center

6535 North Charles Street, Pavilion North Suite 400 Towson, MD 21204 Get Directions
410.828.7417 410.828.4695 Secure Message via Portal
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’s and Dr. Pengs’s Assistant
Tammy S. x 143

Dr. Tyzack and Dr.Levin’s Assistant
Jaime x 100

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

Dr. Mindel’s Assistant
Barb x 102

Dr. Lee’s Assistant
Brittany x 151

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

Lab Manager
Monica H x 136

Billing Staff
Kim x 130
Jen B. x 171

Research Director
Karen K. x 119


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.