Torrance, CA 90505
Trained in ICD-9, ICD-10, and CPT-10 as well as CMS 1500 form.
Knowledge of posting payments, appointment scheduling, EOB, and HIPAA
Experience with insurance verification, payment adjustments, and bookkeeping.
Experience with Blue Cross, Blue Shield, Medicare, Medi-cal, and other providers.
Ability to manage, coach and mentor others
Hard working and motivated with excellent interpersonal and phone skills.
Torrance Adult School, Torrance, CA – Medical Billing and Coding, September 2016 - 2017
PCI College, Cerritos, CA – Diagnostic Medical Sonographer Diploma 2009
El Camino College, Torrance, CA
Attended general business management courses.
Nursing without walls
Torrance, CA 2018 to 2018
Verified insurance with My Ability.
Filling out new patients and leads on HubSpot.
Posting, physical therapy visits in patient’s charts in Nursing Without Walls.
Patient intake demographics in Kinnser
Making sure that the nurses and physical therapists are making their visits.
Calls in coming and out going.
Medical Billing and Coding Externship at Skyline Urology
Torrance, CA 2017 to 2017
Called insurance companies to verify that the patient had insurance at the time of service.
Resubmitted claim to the secondary with EOB and or denial notice.
Posted payments to reflect patient responsibility or make an adjustment.
Submitted appeal letters.
Looked up patient records and copied their file.
Torrance, CA 2015 to 2017
Cashier, assisted customers in their purchases.
Assisted customers in returns and exchanges.
Helped customers locate merchandise.
Checked stockrooms for customers.
Torrance, CA 2014 to 2014
Assisted customers in returns and exchanges at customer service.
Taking customers to the location where their items are located.
Checked stockrooms for customers.
DOREEN NAKABAYASHI (cont.) PAGE 2
Ultrasound Tech, Lestonnac Free Clinic,
Los Alamitos/Orange, CA 2009 to 2013
Performed ultrasounds in gynecology, endovaginal, abdominal, and small parts.
Searched for and angled probe for points of interest with clear images.
Calculated values from measurements procured by images.
Analyzed results in preliminary reports and filed records.
Interviewed patients for their medical history and prepared equipment for imaging.
Ultrasound Technician Externship at Bellflower Medical Center,
Bellflower, CA 2009 to 2009
Determined which test to perform, reviewed patient history, and described method of testing to patient.
Performed extensive ultrasounds in obstetrics, gynecological, gastrointestinal, abdominal, as well as small parts.
Handled vascular studies related to upper/lower extremities venous/arterial, and carotids.
Assisted with ultrasound guided paracentesis, thoracentesis, cyst aspirations and biopsies.
Performed administrative tasks including answering phones, taking messages, filing and
Retail Service, Store Representative, Mattel Corp.,
El Segundo, Ca. 1997 to 2008
Worked with Store Managers to determine customer needs, schedule events, negotiate shelf space and sell products into the stores.
Managed and implemented “Special Event Days” at various stores.
Strategically placed merchandise on the sales floor, as well as built displays and priced products.
Managed and trained new employees to become Retail Service Associates.
Scheduled core work hours of staff and adjusted time in order to meet changing store demands.
Conducted executive visits at various stores with Corporate VIP’s to show them the “day and the life” of a Mattel Representative.
Manager, Express Women’s Apparel,
Rolling Hills Estates, Ca. 1995 to 1996
Managed multiple functions: Shipping, receiving, delivery, and visual displays.
Supervised 10 sales associates.
Increased store profitability through employee empowerment and focused marketing campaigns.
Responsible for daily management activities and customer service.
Owner/CEO, PIP Printing,
Manhattan Beach, Ca. 1985-1995
Responsible for all functions of owning and managing a small business including but not limited to: payroll, customer service, purchasing, accounts receivable and accounts payable.
Increased store profitability by 75% in my 1st year of operation.
Improved productivity utilizing quality management processes.
Compiled and analyzed statistical reports for sales and management presentations.
Employed and managed a full time staff of 5 employees.
Generated, cultivated and maintained extensive client base.