Our Staff
Practitioners
Technicians
Office Staff
Office Staff
Our dedicated, long-term office staff assists patients with scheduling, insurance, and payment information, and is an important aspect of our service team. Our team approach creates a friendly atmosphere for each patient and each staff member.
Barb Kirchner, Owner/ManagerBarbara was born and raised in San Antonio. A graduate of Robert E. Lee High School and The University of Texas in Austin, she was a teacher and taught kindergarten for several years before learning the profession to help open MK Prosthetic & Orthotic Services with her husband Mark. Barbara has been supervising the daily office administration since its inception in 2001.
Don Kirchner, Practice Manager Don officially joined Mark and Barb at MK in 2005, but assisted his brother and sister-in-law in launching the lab and offices when the firm was founded in 2001 and when they moved in 2004. Before formally joining the MK team, Don worked as a customer service and technical representative for a global HVAC manufacturer covering south central Texas region. His expertise lies in customer service, thermodynamics, electronics, material management, accounting and human resources.
Ernest Garza, Director of Business DevelopmentErnest Garza joined the MK Team in 2009. He has over 25 years of service in the medical fields of radiology and orthopedics, working in office management, billing and collections, as well as more than 10 years in sales and marketing.
AndreaMK patient coordinator since 2005 and in the industry since 2000. Andrea works at our Stone Oak/Proton office. |
Anna MK patient coordinator since 2004 and in the industry since 1998. Anna works in our billing department. |
Brenda MK patient coordinator since 2007 and in the industry since 2001. Brenda works in our billing department. |
NancyMK patient coordinator since 2010 and in the industry since 2000. Nancy works at our Stone Oak/Proton office. |
EvaMK patient coordinator since 2004 and works our front desk. |
SusieMK patient coordinator since 2010 and works our checkout desk. |
JoyceMK patient coordinator since 2010. |
AimeeMK patient coordinator since 2010. |
RosaMK patient coordinator since 2006. |
LauraMK patient coordinator since 2010 and in the industry since 2008. |
ErikaMK patient coordinator since 2010 and in the industry since 2008. Erika works at our Austin office. |



Andrea
Anna
Brenda
Nancy
Eva
Susie
Joyce
Aimee
Rosa
Laura
Erika