Summary
Overview
Work History
Education
Skills
Languages
Timeline
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Diana Orellana

Chicago,IL

Summary

Highly-motivated employee with desire to take on new challenges. Strong work ethic, adaptability, and exceptional interpersonal skills. Adept at working effectively unsupervised and quickly mastering new skills. Committed job seeker with a history of meeting company needs with consistent and organized practices. Skilled in working under pressure and adapting to new situations and challenges to best enhance the organizational brand.

Overview

24
24
years of professional experience

Work History

Dietary Aide

Brentwood Health Care
Burbank, Illinois
02.2001 - 05.2025
  • Cleaned and sanitized kitchen equipment and surfaces.
  • Assisted in the ordering, receiving, storage, and inventory of food items.
  • Observed special diets prescribed by physicians or nutritionists.
  • Ensured that all food was prepared according to established health standards.
  • Prepared and served meals according to dietary guidelines.

Biller/Medical Assistant

Midwest Anesthesia and Pain Specialist
Chicago , Illinois
08.2014 - 07.2023
  • Generated monthly reports to document financial status of accounts receivable.
  • Provided customer service support by responding promptly to inquiries from patients regarding their bills.
  • Performed daily follow-up on outstanding claims to ensure prompt payment from payers.
  • Conducted regular audits of delinquent accounts to identify any potential problems or areas needing improvement.
  • Ensured that all patient statements were sent out in a timely manner with current balance information included.
  • Processed and monitored invoices, payments, and adjustments to ensure timely payment from insurance companies.
  • Reviewed and verified accuracy of patient insurance information and billing documents.
  • Documented all account activity into electronic medical record system ensuring accuracy of data entry.
  • Maintained up-to-date records of all billing activities including charges, adjustments, denials, and collections.
  • Participated in training sessions related to new policies and procedures as well as updates on existing ones.
  • Coded invoices properly based upon patient services and medical records.
  • Verified insurance eligibility for patients by calling appropriate parties.
  • Utilized billing software to create and submit large numbers of client invoices each day.
  • Maintained confidentiality on all patient record data.
  • Assessed billing statements for correct diagnostic codes and identified problems with coding.
  • Submitted claims to insurance companies.
  • Investigated past due invoices and delinquent accounts to generate revenues and reduce number of unpaid and outstanding accounts.
  • Answered customer questions to maintain high satisfaction levels.
  • Trained new team members on company policies and accounting systems to keep team operations productive and efficient.
  • Checked claims coding for accuracy with ICD-10 standards.
  • Performed insurance verification, pre-certification and pre-authorization.
  • Maintained accounting ledgers by verifying and posting account transactions.
  • Assisted physicians with patient care by taking vital signs, patient histories and preparing patients for examinations.
  • Kept examination rooms clean, stocked with necessary supplies and prepared for incoming patients.
  • Registered new patients into practice management software program accurately entering demographic information.
  • Answered phones, scheduled appointments and managed patient flow while greeting visitors in a professional manner.

Lockbox Clerk

J.P. Morgan Chase &amp
Chicago , Illinois
01.2014 - 06.2014
  • Researched discrepancies in payments and resolved issues promptly.
  • Prepared and processed lockbox deposits for customers, ensuring accuracy of information and data entry.
  • Assisted management with special projects as needed.
  • Reviewed various documents such as invoices, credit memos. for accuracy prior to processing payment requests through the lockbox system.
  • Performed bookkeeping and accounting consulting services.
  • Classified and summarized financial data to compile and enter in financial records
  • Checked postings and documents for correctness, accuracy and proper coding.

Receptionist

Jimmy’s Auto Repair
Chicago , Illinois
12.2011 - 12.2012
  • Answered incoming calls, took messages, and transferred calls to appropriate departments or personnel.
  • Greeted visitors and provided them with assistance.
  • Provided administrative support to staff members including typing letters, filing documents, and scanning and copying documents when necessary.
  • Responded to inquiries from internal staff members regarding office operations.
  • Performed data entry tasks into various computer systems accurately and promptly.
  • Processed customer payments using cash registers or point-of-sale terminals according to company policies and procedures.
  • Maintained a neat reception area by organizing materials and tidying up furniture.
  • Scheduled appointments for clients, customers, and other visitors.

Medical Assistant/Receptionist Assistant

European Foot and Ankle Clinic
Chicago , Illinois
04.2009 - 11.2011
  • Collected samples from patients for laboratory testing purposes.
  • Educated patients on healthcare topics such as nutrition and disease prevention methods.
  • Provided assistance to medical staff in performing minor surgical procedures.
  • Answered phones, scheduled appointments and managed patient flow while greeting visitors in a professional manner.
  • Adhered to HIPAA regulations regarding safeguarding confidential patient information at all times.
  • Registered new patients into practice management software program accurately entering demographic information.

Food Prep Cooking Assistant

Taste of Home Catering
Hinsdale, Illinois
05.2007 - 09.2008
  • Stocked kitchen supplies such as ingredients, condiments and other necessary items.
  • Prepared food items according to recipes and instructions.
  • Placed cooked foods onto plates according to presentation guidelines set by restaurant chefs.
  • Performed general cleaning duties such as sweeping floors or emptying garbage cans.
  • Assisted with portioning of meals for customers or clients.
  • Ensured all ingredients used were fresh before using them in meal preparations.

Cashier Team Lead

SUBWAY®Restaurants
Chicago , Illinois
05.2005 - 05.2007
  • Provided guidance to cashiers on how to accurately ring up customers' purchases.
  • Identified discrepancies between actual sales figures and expected totals.
  • Assisted cashiers with resolving customer complaints and inquiries.
  • Participated in weekly meetings to discuss upcoming promotions, initiatives, and strategies.
  • Analyzed sales data reports to identify trends in customer buying habits.
  • Trained new cashiers on proper use of registers and store policies.
  • Maintained a clean work environment by sweeping floors and wiping down counters regularly.

Education

High School Diploma -

Midwest Theological Institute
Chicago, IL
05-2008

Some College (No Degree) - Medical Assistant Program

Everest College
Burr Ridge, IL

Skills

  • Medical billing
  • Insurance verification
  • Claims processing
  • Data entry
  • Customer service
  • Problem solving
  • Time management
  • Training new employees
  • Electronic medical records
  • Posting charges
  • Cash posting
  • Decision-making
  • Insurance claim processing
  • Medical billing and collections

Languages

English
Full Professional
Spanish
Full Professional

Timeline

Biller/Medical Assistant

Midwest Anesthesia and Pain Specialist
08.2014 - 07.2023

Lockbox Clerk

J.P. Morgan Chase &amp
01.2014 - 06.2014

Receptionist

Jimmy’s Auto Repair
12.2011 - 12.2012

Medical Assistant/Receptionist Assistant

European Foot and Ankle Clinic
04.2009 - 11.2011

Food Prep Cooking Assistant

Taste of Home Catering
05.2007 - 09.2008

Cashier Team Lead

SUBWAY®Restaurants
05.2005 - 05.2007

Dietary Aide

Brentwood Health Care
02.2001 - 05.2025

High School Diploma -

Midwest Theological Institute

Some College (No Degree) - Medical Assistant Program

Everest College

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