Diana Wallace
Brooklyn,NY
Summary
Detail-oriented healthcare administration professional with 10+ years of experience in office operations, authorization management, and patient service coordination. Proven ability to lead teams, oversee daily operations, and maintain workflow continuity in managerial absence. Strong background in process improvement, staff training, and compliance in high-volume environments.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Senior Authorization Specialist
University Physicians of Brooklyn
Brooklyn, NY
10.2014 - Current
- Lead high-volume authorization operations, ensuring compliance and reducing delays in patient care
- Coordinate workflows between providers, staff, and insurance companies to improve efficiency
- Resolve complex cases including denials, appeals, and escalations
- Train and mentor staff on systems, procedures, and compliance standards
- Monitor and track authorization trends to support process improvements
- Serve as acting Office Manager, overseeing daily operations and supporting team performance
Medical Receptionist
Professional Gynecological Services
Brooklyn, NY
12.2012 - 01.2021
- Managed front desk operations in a fast-paced medical office environment
- Scheduled appointments, verified insurance, and maintained accurate patient records
- Handled high-volume calls, emails, and patient communications
- Coordinated with providers and staff to ensure smooth daily workflow
Marketing Administrative Assistant
Preferred Health Partners
Brooklyn, NY
03.2007 - 09.2011
- Provided administrative and operational support to leadership
- Coordinated community outreach events and patient engagement initiatives
- Managed vendor relationships and office supply processes
- Maintained office operations during management absence, supporting staff coordination
Education
Medical Assistant Certification
Pratt Institute
Brooklyn, NYSkills
Office Operations Team Leadership Staff Training Workflow Coordination Insurance Authorization Patient Relations Process Improvement Medical Records Vendor Management
Certification
Medical Assistant Certification
Nursing Assistant Certification
Medical Assistant Studies — Pratt Institute
Timeline
Senior Authorization Specialist
University Physicians of Brooklyn
10.2014 - Current
Medical Receptionist
Professional Gynecological Services
12.2012 - 01.2021
Marketing Administrative Assistant
Preferred Health Partners
03.2007 - 09.2011
Medical Assistant Certification
Pratt Institute