Summary
Overview
Work History
Education
Skills
Timeline
AdministrativeAssistant

Tanisha Hollingsworth

Las Vegas,NV

Summary

Over 25 years of providing customer-focused service in healthcare, dental, financial services, and call center environments. Proficient in account maintenance, auditing, and payment processing. Skilled in interpreting Explanation of Benefits, addressing billing discrepancies, and navigating multi-system platforms with accuracy. Adept at scheduling, appointment coordination, and cross-department communication.

Overview

14
14
years of professional experience

Work History

Administrative Assistant

Worldwide Care Group
Las Vegas, NV
07.2024 - 10.2025
  • Greeted and assisted visitors, fostering a professional and welcoming environment.
  • Supported the President and executive leadership by coordinating meetings, preparing materials, and managing incoming mail and packages, ensuring smooth office operations.
  • Maintained confidential documents and handled sensitive information with discretion and professionalism.
  • Facilitated communication between executives, staff, and external contacts, ensuring timely follow-up and accurate information flow.
  • Enhanced HR efficiency by coordinating onboarding, maintaining accurate employee records, managing job postings, and communicating with applicants.

Administrative Assistant

Worldwide Care Group
Las Vegas, NV
07.2024 - 10.2025
  • Greeted and assisted visitors, fostering a professional and welcoming environment.
  • Supported the President and executive leadership by coordinating meetings, preparing materials, and managing incoming mail and packages, ensuring smooth office operations.
  • Maintained confidential documents and handled sensitive information with discretion and professionalism.
  • Facilitated communication between executives, staff, and external contacts, ensuring timely follow-up and accurate information flow.
  • Enhanced HR efficiency by coordinating onboarding, maintaining accurate employee records, managing job postings, and communicating with applicants.

Sr. Customer Service Representative

NYU Langone Health
Las Vegas, NV
02.2022 - 12.2023
  • Verified patient insurance eligibility and coverage across multiple systems to ensure accurate claim submission and timely reimbursement.
  • Collaborated with patients, providers, and coding/authorization teams to resolve complex billing discrepancies and ensure accurate documentation for proper coding.
  • Conducted detailed account reviews to identify discrepancies, correct errors, and escalate issues requiring higher-level review.
  • Documented all interactions, actions taken, and follow-up requirements in patient accounts with compliance to organizational standards.
  • Utilized strong de-escalation skills to address sensitive concerns, ensuring a positive patient experience while maintaining professionalism and empathy.

Patient Payments Specialist

Pacific Dental Services
Henderson, NV
06.2017 - 01.2022
  • Audited patient accounts for accurate processing of financial contracts and payment adjustments.
  • Reviewed and resolved payment discrepancies, supporting dental offices and improving cash flow.
  • Followed up on insurance payments issued directly to patients and coordinated with guarantors to secure payment.
  • Created patient profiles, scheduled appointments, and managed emergency coordination with dental offices.
  • Created and closed financial contracts for over 900 dental offices.

Collections Specialist II

Credit One Bank
Henderson, NV
06.2016 - 01.2017
  • Managed inbound and outbound calls for delinquent credit card accounts, resolving past-due balances..
  • Maintained accurate documentation of account activity and collection efforts to ensure compliance..
  • Negotiated payment arrangements to bring the account current
  • Handled challenging customer interactions professionally, balancing empathy and assertiveness to achieve account resolution.

FE Collections Representative

Credit Acceptance
Henderson, NV
07.2011 - 06.2016

Supported new-hire training through side-by-side coaching, demonstrating best practices in account management, customer communication, and system navigation.

  • Maintained strong performance metrics by consistently meeting call volume, payment arrangement, and quality assurance goals.
  • Managed collections process for high-volume accounts, ensuring timely payments and reducing delinquency rates.
  • Utilized CRM systems to track account statuses and document customer interactions accurately.
  • Analyzed account data to identify trends, recommending proactive measures to improve collections performance.

Education

No Degree - Business Management

University of Phoenix
Las Vegas
12-2026

Skills

  • EPIC CRM MS Office Salesforce Cerner Veriant OneSource

Timeline

Administrative Assistant

Worldwide Care Group
07.2024 - 10.2025

Administrative Assistant

Worldwide Care Group
07.2024 - 10.2025

Sr. Customer Service Representative

NYU Langone Health
02.2022 - 12.2023

Patient Payments Specialist

Pacific Dental Services
06.2017 - 01.2022

Collections Specialist II

Credit One Bank
06.2016 - 01.2017

FE Collections Representative

Credit Acceptance
07.2011 - 06.2016

No Degree - Business Management

University of Phoenix
Tanisha Hollingsworth