We currently represent over 4 million square feet in 50 premier locations in the Washington, DC Metropolitan Area. Our landlord representation includes the region’s elite building owners such as Lerner Enterprises, Harrison Street Real Estate Capital, and Nexcore Group, LP.

Landlord Representation Services

Hailed as the market leader for medical real estate in the DC metropolitan area, GZ’s superior reputation for honesty comes from good faith dealings with landlords, tenants and the brokerage community. Working on behalf of property owners and landlords, we also represent medical practices, so we give you instant exposure to a deep pool of potential tenants throughout the DC region.

Given our extensive client network of practices, our landlords receive instant exposure to doctors from all parts of the Washington Metro area. Connecting our landlord and tenants’ needs allows us to understand what physicians are doing, where they are looking and what is driving their office space requirements.



  • Identify all tenants with upcoming lease expiration during the current year


  • Aggressively canvass throughout the portfolio submarkets for prospects



  • Query and solve tenants issues
  • Negotiate flexible market terms for rolling leases
  • Keep all existing tenants


  • Create new marketing flyers/brochures
  • List portfolio availability in Co-Star, GZ website and various medical society periodicals
  • Aggressive door-to-door and phone canvassing within the medical market

What customers are saying

  • This letter is written to recognize and recommend the outstanding service, professionalism, and most importantly, the expertise Gittleson Zuppas Medical Realty has provided NexCore Group as our landlord representative. Nick Zuppas and his team consistently demonstrate excellent customer service, market knowledge, an amazing work ethic, and genuine personal & professional integrity. As the developer, owner, and manager of approximately 6.1 million square feet of healthcare real estate, we recognize the need for the exemplary services provided by the Gittleson Zuppas team. Whether you’re a landlord, independent physician, or medical group; I highly recommend Gittleson Zuppas Medical Realty for your consideration as your medical real estate representative.- Amy Andresen - Vice President Leasing, Nexcore Group, LP
  • I have had the pleasure of working with Gittleson Zuppas commercial real estate brokerage for nearly ten years. They were principally responsible for leasing our 80,000 sq. ft. Class A medical office building. They accomplished this in record time, providing great advice and working out win-win scenarios with the landlord and tenants. The entire process was made very pleasurable as a result of their professionalism. David Gittleson, Nick Zuppas, and Peter Papantoniou are hardworking, honest professionals that have an excellent grasp of the medical real estate market in the metropolitan area. They are extremely responsive to requests for market information. They strive to be informed of our strategic initiatives so they can proactively search for opportunities that align with our interests. I recommend them most enthusiastically and I would be pleased to answer any inquiries that a potential.- Jerry Price - Sr. Vice President, Sibley Memorial Hospital

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