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Hospital Affiliations

Shady Grove Adventist Hospital
Montgomery Surgery Center

About Us

Group Photo

Welcome to the website of Advanced Surgery. Our board certified Rockville, Maryland surgeon, Glenn Sandler, MD has over 30 years of experience specializing in hernia repairs and laparoscopic surgery.

Dr. Sandler also specializes in the treatment of skin and soft tissue diseases, such as lipomas and sebaceous cysts.

The philosophy of our practice is based on patient care, physician availability, and dedication to surgical education and innovation. We continue to believe that these principles help our practice to deliver the highest quality surgical care for our patients.

Advanced Surgery is located in Rockville, Maryland and Dr. Sandler is available to see patients for office appointments several days a week.

Dr. Sandler has been, and continues to be, recognized in the Washingtonian Magazine “Top Doctors.”

He performs surgery at Shady Grove Adventist Hospital and Montgomery Surgery Center.

Our Team

Cathy Wilkinson

Cathy has been with Advanced Surgery, PC since 1996. Over the years, she has worked different areas of the practice including the front desk, insurance authorizations and surgical scheduling. Cathy is a Maryland native and has lived in Frederick County most of her life. Her dedication to our patients is evident in every phone call and interaction; she is a true "patient advocate." Outside of the office Cathy enjoys spending time with her family and traveling whenever possible.

Fiorella "Fio" Burgy

Fiorella is the Practice Manager at Advanced Surgery, PC where she has worked since 2021. Fiorella graduated with an MBA from Strayer University and oversees all aspects of clinical operations including scheduling, billing and regulatory compliance. She has a phenomenal understanding of all aspects of healthcare and is extremely helpful to patients as they navigate their office visits all the way through surgery. When not working Fio enjoys spending time with her husband and two children.

About Privia Health

We are proudly part of Privia Health. Privia equips leading primary and specialty care physicians with cutting-edge resources to help us deliver outstanding, personalized patient care. That’s why Privia’s patient satisfaction scores are 2x higher than national averages. Visit their website to learn how Privia helps you take control of your care.

Healthcare, Handled

You have enough on your plate. We make it easy to message your doctor, connect to on-demand virtual care, receive appointment reminders, refill prescriptions, and get care on the go. If you see more than one doctor in our network, your entire care team has access to your medical chart so we can all work together for your health. Use the myPrivia app or patient portal to:

  • Book appointments, renew prescriptions, and access your electronic health record
  • Send and receive secure messages with your care team

Healthy for the Long Haul

You’re more than a set of symptoms. Privia champions lifelong health and wellness, inside and outside the doctor’s office. From pediatrics to adult needs, preventive programs to complex care, doctor’s visits to self-care at home – we’re here to support you on every step in your journey. Count on Privia for:

  • Collaborative, team-based medical group with leading local providers
  • Same- or next-day appointments with 24/7 telehealth for immediate care

Our Doctors Do More

You can enjoy personalized care without pricey membership fees. Privia doctors take the time to listen to your concerns, from wellness programs to chronic care management. Patients rate our providers 4.9 out of 5 for efforts to include them in decisions about their care, so you can be confident your doctor will help you understand the guidance you get, in-office or virtually. With Privia, you can expect:

  • Unhurried, comprehensive visits to develop the right care plan for you
  • Nationally recognized top physicians and healthcare professionals