Isavel Mendoza
Cerritos,CA
Summary
Professional billing expert and a motivated Office Manager with years of experience and a proven track record in financial collections and administrative roles.
Overview
14
14
years of professional experience
Work History
CBO BILLER
Newgen
Montebello, CA
06.2025 - Current
- Billing for two SNF facilities: NorCal and SoCal. The Northern facility has 113 beds, and the SoCal facility has 129 beds.
- CBO is assigned to billing payers Medicare A, Managed-Care, Custodial
- Working Aging A–Z account reviews to evaluate billing performance and account status
- Updated PCC notes for outstanding accounts over 90 days
- Maintain and monitor AR calendars and custodial billing schedules weekly, bi-weekly
- Process and review all billing batches before claim submission, claim generation, and batch receipt workflows
- Utilized PointClickCare (PCC) for account setup, billing support, and transaction history review
- Performed claim submission, correction, rejection review, and follow-up using Waystar Portal
- Managed billing reports, logs, and required communication for batch completion tracking
- Maintained weekly skilled log for DOFR and cash log updates
- Monitor cash collection percentages
- Supported AR goals including, 110% cash collection
- Reviewed managed care contracts, IRCs, and billing guideline resources
- Managed monthly aging reviews, facility folders, and CBO responsibilities through SharePoint
- Reviewed Medicare analytics, DDE and crossover claims in Waystar
- Reviewed and analyzed AR dashboards and trend reports to identify improvement opportunities and reduce aging balances
Business Office Manager
Corona Post Acute
03.2022 - 05.2025
- Medicare A & Med B Triple check/Billing
- HMO & HMO Part B Triple check/Billing (In house billing)
- Daily HMO/Medicare Meetings and Weekly PPS
- Posting HMO exclusions/Reviewing HMO Rates Levels/ Authorizations
- Posting Ancillaries Pharmacy, Xray, Laboratory, Ultrasound
- Issue Medicare NOMNCs to residents or Responsible party
- Hospice billing/Follow up phone calls with all vendors
- Private pay billing/Credit card clover transactions
- Assisted our RCFE assisted living
- Citi Bank deposits/Valley bank deposits
- Posting Cash, Updating Cash summary log and inputting prior month Revenue % of collections/ shortfalls
- Daily census and Point click care Census; Detailed long census
- Medical weekly billing
- TAR requests/Medi-cal Applications/ Redeterminations
- Running Medi-Cal Certifications 1st and 15th of the month to ensure all changes are correctly captured
- Running Medicare Certifications AMP/Noridian
- Audit Admission packets/ verify all insurances HMO/Medicare A/Custodial
- Handling Resident Trust/Petty Cash/ Spend downs/Reconcile RFMS Portal
- Sending Quarterly RFMS Statements
- Helped Social Services with ordering clothing, Wheel chairs, Walkers on resident essentials for residents Trust spend down
- Representative Payee Applications
- Oversee Receptionist/ Schedules
- Old outstanding HMO claims paid out 200k regal claims
- Old outstanding medical application appealed and approved pending 67k from Corona post acute in 2023
- Assisted Rialto Post Acute BOM sending custodial authorizations/ Medi-cal Applications
- Assisted Astor Healthcare BOM sending custodial authorizations/ Followed up Medi-cal Applications is now (La Fuente)
- 100% Collections custodial and bedhold managed medi-cal patients at Corona Post Acute
Assistant Business Office Manager/ Business office assistant
Corona Post Acute
Corona, CA
01.2019 - 02.2022
- Daily census and Point click care Census; Detailed long census/ manual census
- Running Medi-Cal Certifications 1st and 15th of the month to ensure all changes are correctly captured
- Running Medicare A insurance monthly
- TAR requests
- Managed care custodial authorization requests/bed holds
- Enter authorization numbers on AR Insurance tab in PCC
- Follow up daily on pending authorizations
- Print custodial aging review balances
- Enrolling residents with straight Medi-cal into Managed insurance for skilled treatment with Medi-cal Choice Form
- Citi Bank deposits/ Valley bank deposits
- Distributes cash to residents with receipts
- Send detailed census every Monday to vendors
- Room rounds
Shift Manager
Mcdonald’s
Corona, CA
08.2012 - 01.2019
- Opening/ Closing store
- Central Supply Ordering
- Ensure there is enough stock to serve for the day
- Train newly hired Associates
- Ensure Customer Satisfaction
- In charge of Safe Count/Deposits/ Registers
- Managing 16+ Employees breaks and shift changes
- Handling customer complaints while ensuring customer satisfaction
- Managing store in case General Manager is absent
Cashier
Sam’s Club
Corona, CA
07.2016 - 06.2017
- In charge of Register/ Count at every end of the day
- Advertising Sam’s Club plus Card/ Credit card
- Stock all items such as clothing, food that has expired, etc
- Customer Service/ Food Service
Education
General Education -
Norco College
Norco, CA01-2019
High School Diploma - undefined
Lee V. Pollard High School
Corona, CA06-2015
Skills
- Proficient in Microsoft Office Suite (Excel, Word)
- Strong computer troubleshooting and technical support skills
- Excellent communication and interpersonal skills with coworkers and residents
- Effective time management and organizational abilities
- Able to build and maintain strong rapport with residents and their families/responsible parties
- Experience with billing processes and documentation
- Skilled in spreadsheet creation and management
- Reliability, adaptability and a proactive approach to problem-solving
LANGUAGES
English
Spanish
Timeline
CBO BILLER
Newgen
06.2025 - Current
Business Office Manager
Corona Post Acute
03.2022 - 05.2025
Assistant Business Office Manager/ Business office assistant
Corona Post Acute
01.2019 - 02.2022
Cashier
Sam’s Club
07.2016 - 06.2017
Shift Manager
Mcdonald’s
08.2012 - 01.2019
High School Diploma - undefined
Lee V. Pollard High School
General Education -
Norco College