Harleyann Diaz Mackenzie
646-765-7882 Harleyann1102@Gmail.com 

Qualifications and Skills:
• Extensive knowledge of MS Office products – Excel, Word, PowerPoint, Spreadsheets
• Claims Management and Insurance Verification Specialist – Specializing in Out of Network Claims,
Prior-Authorizations for Testing, Referrals, Online Claim Submission, Eligibility and Benefits Details
Prior-Authorization and Referrals with all Online Claim Systems such as NaviNet, UHCOnline and all
Major Insurance Company Claim Websites
• 3 years Management Experience and 5 years Medical Personnel experience
• Customer Service and Problem Solving Management
• Ability to work in a fast paced environment
• A clear and pleasant telephone manner
• Ability to communicate effectively with a wide range of patients and customers
• Experience in dealing with customer and patient complaints on a Management level
• HIPPA Certified 2011
Relevant Experience
Brain Resource Center Medical Office Manager
Upper West Side NYC August 2013, April 2016
 Setting up children and adults with special needs with empathy and care for Neurofeedback.
Disorders such as Autism, ADHD, Anxiety, Bipolar Disorder, MDD, Depression, PTSD etc.
 Answering, Setting up and dealing with all sorts of problem solving, appointments, doctor’s
requests, insurance verifications and lawyer inquiries
 Listening, addressing and solving all patient needs, questions, concerns and requests in a pleasant
manner
 Maintaining up to date paper and computer based files and administrative systems. 
 Handling objections professionally.
 Setting up and downloading all necessary software for remote patients
 Ordering all supplies through our dedicated suppliers as well as keeping inventory
 Expert knowledge of CMS-1500, CPT Codes, ICD-9 & ICD-10 Diagnostic Codes, Medical billing for
Multi-Doctor practice and Research Facility in an Out Of Network Scale
 Responsible for all Practice Billing using 1500 and Electronic Health Records systems, Knowledge of
all billable procedure codes, diagnostic codes and scales.
 Generating online and phone referrals and Prior Certifications for testing and services
 Intensive knowledge of all insurances and benefits/eligibility
 Time Management- such as implementing EHR online claims through each insurance website such
as BCBS, Empire, Aetna, Anthem, Optum, United Healthcare, Oxford, Magna Care and 1199 from
paper claims and establishing a network of online EHR services
 Providing professional patient management and confidential file review
 Recruited, hired and trained all staff, providing direct supervision, ongoing staff development,
payroll and continuing education to 4 employees
 Formulated, wrote and implemented new employee orientation manuals
 Supervised daily staff activities, establishing an effective and smooth work environment
 Led billing record software implementation and customization
 Developed billing guidelines and processes
 Initiated HIPPA-related compliance policies and procedures
 Managed all supply orders within budgeted guidelines
 Responsible for clinic operations including calendar management, scheduling meetings/ diagnostic
testing, patient appointments, informational material and preparing material for investor meetings

 Improving practice efficiency by creating and implementing systems for staff as well as myself
including spreadsheets for accounting, administrative, intake forms, insurance forms, etc.
 Providing Executive Administrative Support to the CEO and Director of Neuropsychology practice
 Networking with Attorney’s and other doctors for referrals
Orlin and Cohen Orthopedics Front Desk Associate/ MRI
Long Beach, New York 2011-2012
 Checked in and out patients at a very busy multi-doctor Orthopedic Practice
 Gave instructions for MRI procedures/ brought them to the room
 Checked in and out patients for MRI procedures
 Verification of insurances/ referrals/ collecting copayments

East Meadow Family Practice Front Desk/ Check Out
Bellmore, New York 2010-2011
 Entered all CPT Codes into database along with ICD codes
 Ensured that they had whatever external appointments booked(Echocardiogram, MRI, CT Scan Etc)
 Collected copayments and ran end of day financial reports
 Ensured that all Credit Cards, Cash and Check Payments matched up on the reports

The D’Aria’s Home Health Aid for Dementia Patient
Long Beach, New York 2009

Buena Vibra Productions – Production Assistant San Juan Puerto Rico 2011-2013

Tropical Trailrides- Assistant Manager  San Juan Puerto Rico 2011-2013

Education:
Interamericana University- Puerto Rico Nursing 2012-2013
Nassau Boces at Barry Tech, Hicksville NY Dental Assisting 2010
Nassau Community College- Long Island NY Business 2009-2010
Borough of Manhattan College- New York NY Business 2008-2009
Brittany Beauty School-Levittown NY Cosmetology 2007-2008
Volunteering:
Freeport Animal Shelter –Kennel Care/Adoptions for Cats & Dogs 2004-2006
Bobby and the Strays- Kennel Care/Adoptions for Cats  & Dogs 2007-2011
Hillsong Church- Host Team & Kids Team Leader 2015-2016