Title: Practice Manager
Company: Peninsula Pediatrics
Location: Pinellas Park, Florida, United States
Cassandra Lindsey, Practice Manager at Peninsula Pediatrics, has been recognized by Marquis Who’s Who Top Business Owners for dedication, achievements and leadership in Health Care Management.
Ms. Lindsey has established herself in health care administration, marked by more than 25 years of professional experience and a reputation for expertise in billing and accounts receivable. For more than a decade, she has served as a practice manager at Peninsula Pediatrics in Largo, Florida, where she is responsible for managing employees and health care providers, ensuring efficient daily scheduling and workflow, reviewing patient balances and insurance-related issues, overseeing accounts receivable operations, and submitting and monitoring insurance claims. Additionally, Ms. Lindsey administers payroll, human resources and credentialing. Her leadership at Peninsula Pediatrics reflects her commitment to operational excellence and patient-centered service.
In addition to her work at Peninsula Pediatrics, Ms. Lindsey is a notary public through the National Notary Association, a role she has held since 2007. Her responsibilities in this capacity include providing essential notarial services that support both clinical operations and administrative functions.
Before its acquisition by Peninsula Pediatrics, Ms. Lindsey served as a practice manager at West Coast Pediatrics in Bradenton, Florida, from 2014 to 2018. During her tenure, she achieved a significant milestone by reducing accounts receivable from approximately $200,000 to around $40,000 within her first two weeks, a testament to her proficiency in financial management and process optimization. This accomplishment is among Ms. Lindsey’s most notable and underscores her ability to deliver measurable results in challenging environments.
Between 2011 and 2013, Ms. Lindsey excelled as an office manager at Le Medical Care, where she directed daily office activities, coordinated staff schedules and ensured compliance with regulatory standards. Her earlier experience included serving as a billing manager at Professional Health Care of Pinellas and at Family Practice and Infectious Disease Practice.
Ms. Lindsey began her career as a billing clerk at Bayfront Medical Center, now Orlando Health Bayfront Hospital, where she developed foundational expertise in medical billing. Her early exposure to the field began at age 14 when she assisted her mother in the collections department on weekends. By age 18, she was independently managing billing tasks. This formative experience instilled in Ms. Lindsey a strong sense of perseverance that continues to drive her professional success.
Ms. Lindsey’s academic credentials include a medical coding certification from the American Medical Association, earned in 2008, and an associate degree in billing and coding from ATA College in Louisville, Kentucky, received in 2010. These academic achievements have provided her with a solid foundation for career advancement and have directly contributed to her expertise in billing and accounts receivable.
An active member of several industry organizations, Ms. Lindsey is affiliated with the American Academy of Pediatrics and Privia Medical Group. She is also active in the National Notary Association. Her involvement with these associations reflects her commitment to professional development and staying abreast of evolving best practices within the health care sector and beyond.
In addition to her professional pursuits, Ms. Lindsey has demonstrated a commitment to community engagement through roles such as head coach and cheerleading coach for the Northeast Bandits in 2012 and 2016, respectively.
Ms. Lindsey authored “Billing Boss” in 2025, drawing on her extensive experience in medical billing and practice management. She enjoys authoring reference materials on medical coding, billing, and accounts receivable as a personal pursuit.
In light of her success, Ms. Lindsey was recognized as the Most Influential Businesswoman in Largo in 2025, a distinction that highlights her impact within both business and civic circles. Throughout her career, she has exemplified dedication to operational efficiency, financial stewardship and community involvement, qualities that have earned her recognition among peers and industry leaders alike. Looking ahead, Ms. Lindsey aims to write additional books to educate the public on medical billing practices. She also recently signed a contract with Privia Medical Group to collaborate on initiatives that help medical practices improve financial performance.
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