Office Directory
Always feel free to contact our office and our trained staff will assist you in any way possible.
- Phone (713) 333-4100
- Fax (713) 333-4101
Meet Our Staff
Allison
Physician Assistant, PA-C
Allison has been a member of Dr. Lionberger’s team since May 2011. She completed her undergraduate studies at Southwestern University in Georgetown, TX. She went on to earn her Masters of Science at Cornell Medical College in New York, NY. She assists Dr. Lionberger in surgery as well seeing patients in clinic. She is responsible for following up on MRIs, labs, disability paperwork, and physical therapy.
Maria Rojas
Office Manager/Surgery Coordinator
Maria began her career in the medical field when she joined David R. Lionberger, MD's practice in 1995. Maria schedules all surgical procedures and coordinates Dr. Lionberger's clinics. Maria works closely with the patients, and she reviews the details of surgery as well as gives detailed information on pre-operative instructions.
Jennie Alvarez
Appointments/Medical Assistant
Jennie began her medical career in 1993 when she graduated from Bradford School of Business as a Medical Assistant. She joined Dr.Lionberger's practice in April 2010. She does all the patient insurance verification prior to scheduled appointments. She also assists the Physician Assistant in clinic with patients on their first post-operative and follow up visits.
Catherine Crocker
Research
Catherine Crocker, Research Fellow for the Foundation for Southwest Orthopedic Research, coordinates sponsor and investigator initiated clinical trials. She received her Bachelor of Science from The University of Texas and her Master's of Public Health from UT-Houston. Catherine also serves on the Board of Directors of the Pink Ribbons Project and is a member of the American College of Healthcare Executives.
Lacy Yeager
Billing Specialist
Lacy joined Southwest Orthopedic Group in 2005, and Dr. Lionberger's practice in 2007. With an extensive background in medical office administration, she addresses insurance and billing needs for patients, as well as surgery pre-certification. Lacy is the mother of three and lives in Danbury.
Ellanore Bolten-Ayala
Ellanore Bolten-Ayala is a nurse at Bellville General Hospital and has worked with Dr. Lionberger at his specialty clinic since July 1997. In 2010, Bellville General nominated nominated Ellanore for a DAISY Award at Bellville General Hospital – an award given to the most outstanding nurse and nominated by her coworkers, doctors and patients. Outside of her work with Dr. Lionberger, she enjoys spending time with her grandchildren.
