Dr. Zajac's Background
Research training, expertise and qualifications
Dr. Zajac's Specialties
- Infectious Disease Medicine, Board Certified
- View all 2 specialties
More About Dr. Zajac's Background
Healthgrades
Hospital Quality
The right hospital is as important as the right doctor
- North Central Baptist Hospital
- 520 Madison Oak Drive
- San Antonio, TX 78258
- Methodist Stone Oak Hospital
- 1139 East Sonterra Boulevard
- San Antonio, TX 78258
Healthgrades
9 Facts About Hospital Quality
Did you know that differences in hospital quality can result in a 75% lower chance of dying at a 5-star hospital? See why choosing the right hospital is critical to your health. View Slideshow
Patient Satisfaction
Patients' feedback on their experience with Dr. Zajac
Likelihood of recommending Dr. Zajac to family and friends is out of 5
See More Survey Results
Healthgrades
8 Facts About Patient Satisfaction Surveys
Patient satisfaction surveys provide a standardized way of reporting about healthcare experiences. But there can be more that meets the eye when reviewing scores. Here's what you should know
Appointments & Offices
Check insurance plans, locations and make an appointment
Accepted Insurances
- Aetna
- BCBS Texas
- Blue Cross and Blue Shield
- CIGNA
- Commercial Insurance Company
- See all 14 insurances accepted
- 150 E Sonterra Blvd Suite 170
- San Antonio, TX 78258
Healthgrades
7 Tips to Prepare for Your Appointment
The key to a successful appointment is communication. To get the most out of your visit, prepare ahead of time so you can lead the conversation with your doctor. These 7 tips will get you ready









