We are Leaders in Digestive Health
GCSA Management Team
Our clinical and administrative team is committed to providing the highest level of customer service and compassionate care for every GCSA patient.
John Spiekerman Executive Director
Leroy Bernal Financial Director
Darryl Bivens, MCSE, MCP Information Technology Director
Holly Williams Operations Director
Cheryl Peery Controller
Annette Morrison ASC Director
Jean Cooper Revenue Cycle Manager
Joyclynn Kay HR Generalist
Jenny Bivens Scheduling Manager
Shelly Rios Health Information Manager
Marisa Diaz Authorizations Manager
Thomas Wilson Assistant Administrator
Yolanda Gorham Clinic Manager – Medical Center
Vacant Clinic Manager - Stone Oak
Nastasja Serrano Clinic Manager - Northeast
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