Gastroenterology Consultants of San Antonio

Gastroenterology Consultants of San Antonio - Staff

Staff About

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
Nastasja Serrano Director of Scheduling and Patient Communication
Billy Baquera IT Manager

Jean Cooper Revenue Cycle Manager
Marisa Diaz Authorizations Manager
Aileen Valdez Medical Records 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
Alicia Sanchez Clinic Manager - Northeast

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Staff About

We are Leaders in Digestive Health

GCSA Management Team

John Spiekerman Executive Director

Leroy Bernal Financial Director

Nastasja Serrano Director of Scheduling and Patient Communication

Billy Baquera IT Manager

Jean Cooper Revenue Cycle Manager

Marisa Diaz Authorizations Manager

Aileen Valdez Medical Records 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

Alicia Sanchez Clinic Manager - Northeast

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