The top-rated dermatology-specific billing service in the country.
125 Oxford Road

Meet Our Staff

Headshot of Inga Ellzey
Inga Ellzey, MPA, RHIA, CDC
President & Owner
Inga Ellzey Billing Companies
Inga Ellzey, President/CEO of the Inga Ellzey Practice Group, Inc. in Casselberry, Florida, is the nation's foremost expert on dermatology coding, documentation, reimbursement, and medical billing. She has over thirty-eight years of experience in the field of dermatology, twenty of which were spent working with a private practicing dermatologist. Her educational background includes a Master's Degree in Public Administration, a Bachelor's Degree in Medical Record Administration and national certification as a Registered Health Information Administrator.
Inga has spent the last 30 years as an educator which included teaching as an adjunct professor at the University of Central Florida. For ten years she served as a contracted speaker with Glaxo-Wellcome-Smith's dermatology division. During her tenure with this international pharmaceutical company, she addressed over 300 dermatology societies nationally with more than 14,000 providers and their staff attending these sessions. Inga has always been known for her humor and wit making her a very sought-after lecturer.
As CEO and founder of several national dermatology-specific billing services, her two companies currently serve over 325 providers in 32 states. Collectively, these billing services process over $275 million dollars in insurance claims annually making hers one of the largest, single specialty, non-hospital based billing companies in the nation.
Headshot of Robert Manjura
Robert Manjura
Chief Executive Officer
Inga Ellzey Billing Companies
Since joining the Inga Ellzey Billing Companies in 2010, Rob has earned a reputation for cultivating meaningful relationships by always delivering on promises and going above and beyond for his clients. These qualities led to his appointment as the companies CEO in 2018. During his free time, Rob enjoys playing poker, running around town with his German Shephard, Zander, and spending time in the company of friends and family.
Headshot of Risa Kanavas
Risa Kanavas, CDC
Director of Billing Operations
Inga Ellzey Billing Companies
Risa started with the West Coast division in 1996. She is now the Director of Billing Operations personally overseeing all branches of our organization. Risa is a natural born leader with a hands-on approach to the daily operations of all three organizations. Risa is extremely knowledgeable and a natural born leader. Admired by staff, she is dedicated to her clients and our organization. Risa travels between our Florida and West Coast offices monthly overseeing operations. Risa has two sons, Nick and Kyle, and a cat named, Guppy.
Headshot of Nikkia Hernandez
Nikki Hernandez, CDC
General Manager
West Coast Division
Nikki has been with the company for 18 years. Working as Risa's right hand, Nikki can be seen working long hours (because she loves her job) making sure that the machine is well oiled and keeps running smoothly. She knows what to do and when to do it when the going gets tough with the recalcitrant insurance carriers. The years of service have made her an expert in getting the claims paid in a timely and efficient manner. Nikki is married to a wonderful and supportive husband, Gary. They have two children, Kimberly and Gabriella. She is a devout animal lover and pet foster parent.
Headshot of Mary Ann Rydelek
Mary Ann Rydelek, CDC
General Manager
East Coast Division
Mary Ann joined our team in 2013, becoming one of our newest members of our management team. Originally from Newark, New Jersey, Mary Ann moved her family to Casselberry, Florida in 1990. With over 25 years of experience in medical billing, Mary Ann has proved to be an asset to our organization. She's devoted to her family and enjoys spending time with her grandchildren.
Headshot of Shari Greene
Shari Greene
Executive Assistant to Inga Ellzey
Shari joined our team in 2010. With a background in dermatology pharmaceutical sales and a degree from Rollins College, Shari was a perfect fit for our team. Right and left hand to Inga Ellzey, Shari handles all of her personal and business matters. Shari balances multiple responsibilities and all with a smile on her face. She's always willing to lend an ear and go the extra mile to help out. Shari's a proud soccer mom who loves watching her son, Alek, take the field. She's also the proud new owner of our very own office mascot, Ginger. Ginger is a blonde golden doodle who is playful and lovable.
Headshot of Jillian Galarza
Jillian Galarza
Director of Marketing
Inga Ellzey Practice Group
Jillian has been with the company since 2003. Starting her career with the organization as the Product and Procurement Manager, Jillian was solely responsible for the sale and distribution of the Inga Ellzey billing and coding product line. From coordinating and directing the company's bi-annual events, to administering Inga's online coding course, Jillian has done it all. A highly competent, capable, and resourceful individual, Jillian is self-motivated and an asset to our team.
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Sandra Anderson, LPN, CDC, ASMBC, BSBA-HCM, CPMA
Senior Compliance Auditor
Sandy brings with her extensive experience having taught Anatomy and Physiology at the Academy of Health Sciences at Ft. Sam Houston, Texas, while service in active duty as a combat Nurse. She has an Associate Degree in Medical Billing and Coding and went on to get her BSBA majoring in Healthcare Management. She has been part of the Compliance Department for over three years. Sandy has been with Randall for over 12 years. Together they enjoy hunting, gardening and music. She has one son, Michael, who recently finished two tours in Afghanistan in the US Army.
Headshot of Matt Jones
Matt Jones
Trainer & System Administrator
As a 5 years veteran Matt has trained in nearly every department within the organization. His invaluable skills led him to the Systems Administrator position where he manages and maintains our internal system network. Matt provides training and technical assistance to both the staff and our clients. Matt excels in troubleshooting and problem solving. He enjoys rebuilding motorcycles when he is not catching up on the latest TV show or movie.

West Coast Division

Headshot of Jessica Sida
Jessica Sida, CDC
Assistant General Manager and IT
West Coast Division
During her 14 years working with Risa and Nikki, Jessica has proven to be invaluable. Loyal, hard- working, dedicated and with a "let's get it done" attitude, there is little to say except, she gets the job done! Jessica has two children, Jessie James, and Lucio, and has three Chihuahuas named Elvis, Presley, and Memphis. She enjoys camping with the family, gardening and going to Dodgers games.
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Michelle Tryer, CDC
Payment Posting Supervisor
Working for over 10.5 years for the West Coast division, Michelle shares her life with three dogs named Vader, Honey, and Nixon. She enjoys playing softball, doing crafts and hiking. She's a very hard worker who loves her job.
Headshot of Johanna Rivera
Johanna Rivera, CDC
Charge Entry Supervisor
A long timer with 16 years under the belt at the West Coast office, Johanna juggles her busy work as a mom of three children, Daniel, Yasmine, and Genesis, and Al her husband of over 17 years. Like most busy moms, she loves to shop!
Headshot of Veronica Ramirez
Veronica Ramirez, CDC
Client Services Supervisor
A great employee with 7 years tenure, Veronica is our animal lover extraordinaire. She has 4 children, a husband of 22 years and a pot belly pig named, Penelope, 7 chickens, 2 turtles and 3 dogs, Chloe, Cosmo, and Enkidu. When she is not fishing or camping, she loves going to the beach, hiking, and shooting her BB gun.
Headshot of Susie Mezo Storms
Susie Mezo Storms, CDC
Accounts Receivables Supervisor
Susie is a no-nonsense supervisor having led her staff for over 13.5 years. She is extremely knowledgeable and enjoys the challenge of working with "those nasty" insurance carriers. You can always depend on her to get the job done. Married with three grown children, she enjoys traveling, horses, dirt bikes, and spending time with her family and dog named Dotzee, a dachshund, of course.
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Accounts Receivable
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Client Services
Demographics & Charge Entry West Coast Division group shot
Demographics & Charge Entry
Payment Posting West Coast Division group shot
Payment Posting
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West Coast Dermatology Billing

East Coast Division

Headshot of Veronica Hernandez
Veronica Hernandez, CDC
Client Services Supervisor
Already with the East Coast division for over 6 years, Veronica brings enthusiasm and great leadership to her department. She has been married to Victor and they have two boys, Victor, Jr., and Elijah. She has a dog named Ralphy and she enjoys traveling with her family.
Headshot of Tiffany Sanchez
Tiffany Sanchez, CDC
Accounts Receivables Supervisor
With the East Coast division for over 4 years, Tiffany is a wizard at getting those claims paid. She leads her department with professionalism and enjoys seeing those denied claims getting paid. She loves the fight! Married with two children, Osmany and Celeste. A dog named Jake also shares the house. She loves to go on bike rides, long walks in the park, swimming, church, and spending quality time with the family.
Headshot of Rebecca Davis
Rebecca Davis, CDC
Payment Posting Supervisor
With the East Coast division for 8-years, Rebecca is a great employee who brings a fresh perspective to her department. She enjoys sports, spending time with her family and exploring nature.
Headshot of Roy Day
Roy Day, CDC
Demographics and Front Office Supervisor
Another 17 year veteran of our East Coast division, Roy is a mainstay in our company. Dependable to a fault, he steers his department with a steady and strong hand. Roy has been in a committed relationship for over 15 years which they share with their cat, Meg. You'll find him watching old movies or the news. He says, "I'm a news junkie."
Headshot of Kemonia Grove
Kemonia Grove, CDC
Charge Entry Supervisor
An 8 year veteran to the East Coast division, Kim has excelled in her leadership role and proven to be invaluable to the organization. She brings positivity and enthusiasm to her department. Married with two beautiful children, Kim loves to host social gatherings for her close friends and family. She says, "I love seeing people happy!"
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Accounts Receivable
Charge Entry East Coast Division group shot
Charge Entry
Client Service East Coast Division group shot
Client Service
Demographics East Coast Division group shot
Payment Posting East Coast Division group shot
Payment Posting
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East Coast Dermatology Billing