Cristal Serrano
Dallas
Summary
Experienced strong background in patient care, medical assisting, and front office operations within fast-paced healthcare environments. Skilled in coordinating surgical procedures, managing patient scheduling, obtaining authorizations, and ensuring seamless communication between patients, providers, and healthcare teams. Demonstrated expertise in delivering compassionate patient care, assisting with clinical procedures, maintaining accurate medical records, and supporting efficient office workflows.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Surgery Scheduler and Medical Assistant
ENT and Sleep Medicine
7777 Forest Ln
07.2025 - Current
- Verified insurance benefits and obtained pre-certifications/authorizations for surgeries and office procedures.
- Scheduled surgeries, pre-operative appointments, and post-operative follow-up visits.
- Collected payments for surgical procedures and office appointments while maintaining accurate financial records.
- Coordinated with hospitals, surgery centers, and anesthesia providers to ensure all surgical requirements were completed.
- Served as a backup Medical Assistant, taking patient vitals and assisting with clinical duties as needed.
- Covered front office responsibilities, including patient check-in/check-out, scheduling, and customer service.
- Maintained accurate patient records and ensured compliance with healthcare and insurance guidelines.
Medical Office Assistant
Centrum Health
TX
11.2024 - 07.2025
- Created and processed insurance referrals and faxed referrals with medical records to specialist offices.
- Managed multiple phone lines and assisted patients with scheduling and inquiries.
- Checked patients in and out, ensuring accurate demographic and insurance information.
- Verified insurance eligibility and benefits prior to appointments.
- Collected copays, deductibles, and outstanding balances; accurately posted payments to patient accounts.
Medical Assistant/Receptionist
North Texas Diabetes and Endocrinology of Plano
TX
07.2023 - 11.2024
- Greeted patients warmly and made them feel welcome.
- Performed data entry into computer systems to maintain accurate records of customer information.
- Handled payment processing and provided customers with receipts and proper bills and change.
- Managed incoming and outgoing mail, courier services, faxes and other correspondence.
- Assisted physicians with patient care by taking vital signs, patient histories and preparing patients for examinations.
- Prepared treatment rooms for patients by cleaning surfaces and restocking supplies.
- Relayed messages from patients to physicians about concerns, condition updates or refill requests to facilitate treatment.
- Maintained accurate medical records through filing, charting, transcription and data entry into electronic health record system.
- Collected samples from patients for laboratory testing purposes.
Education
CNA Certificate 2024 -
TSC Career Institute
2692 N Galloway Ave Ste 401 Mesquite, TX 75150Phlebotomy Certificate 2023 -
Texas School of Phlebotomy
4425 W Airport Fwy Ste 590 Irving, TX 75062High School -
W.W. Samuel High School
TX06.2021
Skills
- Clinical documentation
- Vital Signs
- Front office management
- Insurance Verification
- Cross training
- Patient Care
Certification
Texas School of Phlebotomy, CNA
Languages
Bilingual
Timeline
Surgery Scheduler and Medical Assistant
ENT and Sleep Medicine
07.2025 - Current
Medical Office Assistant
Centrum Health
11.2024 - 07.2025
Medical Assistant/Receptionist
North Texas Diabetes and Endocrinology of Plano
07.2023 - 11.2024
CNA Certificate 2024 -
TSC Career Institute
Phlebotomy Certificate 2023 -
Texas School of Phlebotomy
High School -
W.W. Samuel High School