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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
Nastasja Serrano Director of Scheduling and Patient Communication
Billy Baquera IT Manager
Jenny Bivens Referral Manager
Jean Cooper Revenue Cycle Manager
Marisa Diaz Authorizations Manager
Shelby Elliott ACD Manager
Annette Morrison, RN Medical Center ASC Charge Nurse
Brooke Olguin, RN Northeast ASC Charge Nurse
Tonya Woerner, RN Stone Oak ASC Charge Nurse
Yolanda Gorham Clinic Manager – Medical Center
Trish Ball Clinic Manager - Stone Oak
Joyclynn Kay HR Generalist
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