Ambulatory Surgery Center

 Ambulatory Surgery Center


9850 Key West Avenue
Second Floor
Rockville, Maryland 20850
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*Please use downloadable directions. GPS and online directions tools give the wrong information.

Hours: 7 am – 5:30 pm
Phone: 301-765-5400
Fax: 301-765-5490
Practice Manager: Rose Cloughly-Plessinger | Medical Director: Marjorie Brennan, MD

The Ambulatory Surgery Center at the Montgomery County location has two operating rooms for outpatient surgeries. Children's National guarantees a pediatric-trained anesthesiologist 24/7 including Bethesda, Md.-based David F. Plotsky, MD, a practicing ophthalmologist who completed a residency at Children's National and is affiliated with several hospital systems in the Washington, DC, metropolitan area.

Conditions & Treatments

Conditions & Treatments

Chest Wall Defects: Nuss and Ravitch Technique

Our general and thoracic surgery experts perform the Nuss and Ravitch procedures for children with chest wall defects.

Children's Specialists

Children's Specialists at this Location


George Zalzal

Division Chief, Ear, Nose, and Throat (Otolaryngology)

Matthew Oetgen

Division Chief, Orthopaedic Surgery and Sports Medicine

Gary Rogers

Division Chief, Plastic and Reconstructive Surgery

Rahul Shah

Vice President & Chief Quality & Safety Officer


  • Access to public transportation
  • Complimentary Coffee
  • Free onsite parking


  • Surgery


  • Aetna
  • Amerigroup Maryland
  • Anthem HealthKeepers Plus
  • Beech Street
  • CareFirst Blue Cross Blue Shield
  • Choicecare Humana
  • Cigna Healthcare of the Mid Atlantic
  • Coventry National PPC
  • First Health
  • GMC Healthcare
  • Health Services for Children with Special Needs
  • InforMed
  • INTotal Health
  • Kaiser Permanente
  • Maryland Physicians Care
  • Multiplan Private Healthcare Systems
  • Priority Partners MCO
  • Riverside Health
  • Tricare HealthNet Federal Services
  • Trusted
  • UnitedHealthcare
  • UnitedHealthcare Community Plan of Maryland