
HRAA is a healthcare company founded and managed by healthcare professionals who are experts in the field. We believe our greatest strengths are our professional staff, our years of experience, our service-oriented approach and our sustained commitment to quality. As a result, we are able to maintain the highest levels of excellence, integrity, quality assurance and results. These factors combine to produce longstanding and beneficial client partnerships. HRAA has earned an excellent reputation for its services throughout the healthcare industry.
Andrea Clark, RHIA, CCS, CPC-H – Chairman, CEO and Founder

Andrea Clark is a prominent healthcare industry expert who founded Healthcare Revenue Assurance Associates (HRAA) in 2001. HRAA is a trusted source of timely, accurate and critical resources, technology and information that supports the performance of revenue integrity for hospitals, ambulatory surgical centers, physician practices and integrated health systems.
Robert Rubinowitz – President

Mr. Rubinowitz is a leader with over 10 years of healthcare operations, compliance and revenue cycle consulting management experience. By listening to clients’ needs, he has helped HRAA develop proprietary intellectual capital through managing revenue cycle implementation projects, revenue integrity assessments, navigating reimbursement changes being brought on by ever changing regulations, developing metrics to better manage revenue cycle functions, providing interim/outsource coding services and ICD-10 transition projects.
Since joining HRAA in June of 2001, Mr. Rubinowitz has provided organizational, administrative and communication skills in overseeing all business operations including sales, marketing, accounting and human resources. He remains focused on goals and reacts quickly to changes in market conditions. His experience and comfort working at all levels of an organization and ability to examine, analyze, synthesize and articulate complex subject matter has been instrumental in the growth and success of HRAA, increasing annual revenues by 655%.
Prior to joining HRAA, Mr. Rubinowitz was the General Manager of e-Commerce at PRIMEDIA where he was responsible for managing the development, enhancement and strategic direction for all e-commerce operations for the Business-to-Business Internet division, IndustryClick. In addition, Mr. Rubinowitz assumed the responsibilities of designing, implementing and overseeing all business development, customer acquisition, customer retention, sales and marketing efforts for the online Supplier Directory, which spanned across 20 industries and housed more than 23,000 company listings.
Additionally, Mr. Rubinowitz was the Vice President of Marketing and e-Business at Anchor Computer and was responsible for overseeing all marketing operations and activities, as well as managing the strategy and implementation of company’s e-Business division. As a contract consultant to multiple companies, Mr. Rubinowitz provided sales and marketing, operations, P&L analysis, strategic planning, Internet solutions, strategic alliances, promotion, merchandising and buying services. Mr. Rubinowitz also held various executive positions at TigerDirect and was responsible for increasing annual revenues from $3 Million to $100 Million.
He is a graduate of Rutgers University with a BA in Economics. Mr. Rubinowitz also served as an adjunct professor at Florida International University, where he taught Direct Marketing.
Keith Siddel MBA JD PhD (c) – Chief Marketing Officer

Keith Siddel is a nationally prominent healthcare finance expert who currently provides advice and guidance on compliance, collection, pricing, charge structure, reimbursement and the revenue cycle for providers nationwide. Mr. Siddel has over 27 years of experience in healthcare finance, information systems, operational and compliance expertise in a wide variety of healthcare settings. He has worked with hospitals, physician practices, hospital based and free standing day surgery centers, clinics, ancillary diagnostic centers and fully integrated healthcare providers. Mr. Siddel worked as a trauma nurse early in his career and he draws upon this experience to create a unique perspective of healthcare by blending the clinical and financial objectives.
Mr. Siddel founded his first Healthcare Company in 1991 and since that time has founded or co-founded nine companies, primarily in healthcare. He has provided business and financial advice to a wide variety of start up companies in a wide range of fields including telecom, retail and hospitality. He has an undergraduate degree in business with a focus on healthcare and an MBA in business and marketing. In 2003, after selling one of his healthcare companies, Mr. Siddel took the opportunity to expand upon his expertise. He completed the course work and research to fulfill the requirements for the Doctor of Philosophy with a Healthcare focus at Virginia Commonwealth University. He was then accepted at Concord Law School in their Juris Doctorate program with a focus in Healthcare Law, which he completed last year.
Denise Williams, RN, CPC-H – Sr. Vice President

As the Vice President of Revenue Integrity Services for Health Revenue Assurance Associates, Ms. Williams is responsible for Charge Description Master (CDM) reviews, outpatient revenue cycle audits, Webinars, audio conferences and annual update presentations. Ms. Williams has more than 20 years of healthcare experience, including serving as a clinical nurse in cardiopulmonary, oncology and med-surgery, overseeing Medicare and third party payer compliance for a multi-hospital system, and experience in charge master coordination for two multi-hospital systems.
Donna Rudolph, RHIT, CCS – Director of Inpatient Services

As the Director of Inpatient Services, Ms. Rudolph coordinates all aspects of hospital inpatient coding and billing, with focus on auditing and Medical Severity Diagnosis Related Groups (MS-DRG) validation.
Peggy M. Hapner, RHIA, CCS, CASCC – Director of Ambulatory Services

Ms. Hapner joins HRAA with more than 25 years of experience in health information management, coding, teaching, data quality and operations. Previously, she served as a manager for Medical Learning, Inc., where she was the technical expert for hospital outpatient health information management (HIM) services, responsible for the technical quality of those areas. During her 16-year career with the company, she also contributed to projects in the company’s consulting, seminars and publications divisions.