Attorneys & Professionals

Firm Administrator


Gary D. McHenry, MBA


Gary McHenry joined Sullins, Johnston, Rohrbach & Magers in 1990 as the Firm Administrator.  Mr. McHenry has over 20 years of legal administration experience and is the author of published articles relating to healthcare payment plans and reimbursement and human resources.  Mr. McHenry’s extensive healthcare, legal administration and management experience has helped Sullins, Johnston, Rohrbach & Magers become a leader in healthcare revenue cycle management.  

Prior to joining Sullins, Johnston, Rohrbach & Magers, Mr. McHenry was a healthcare executive and was the Chief Executive Officer of two major hospitals located in the Texas Medical Center.  As a healthcare professional, Mr. McHenry was a Member of the American College of Healthcare Executives.  

Mr. McHenry holds a Bachelor of Business Administration Degree from Stephen F. Austin State University (1970) and a Masters of Business Administration Degree from Houston Baptist University (1979).  Mr. McHenry has been a guest lecturer at The University of Texas Health Science Center at Houston, School of Public Health and taught Principles of Business at Lone Star College (formerly North Harris County College).

In 1994, Mr. McHenry was commissioned by Texas Governor Ann Richards as an Admiral in the Texas Navy ( for outstanding service to the youth of Texas.   McHenry is a past Board Member of the Boy Scouts of America, Sam Houston Area Council and has been active at all levels of the Scouting Program, receiving numerous awards and honors.  In 1996 Mr. McHenry received the Silver Beaver Award for distinguished service to the youth of the Sam Houston Area Council.    Mr. McHenry served the American Red Cross, Houston Chapter, as a CPR instructor.  Mr. McHenry is a Life Member of the Houston Livestock Show and Rodeo and serves on the Speakers Committee as Vice Chairman-Operations and the Mutton Bustin Committee.  Mr. McHenry is a member of the Salt Grass Trail Association and the Rancher’s Ride, Inc.


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