ZPIC audits, ZPIC site visits, ZPIC investigations

About Us


About Liles Parker

Liles ParkerAt Liles Parker, we understand that extraordinary legal representation begins with talented, committed attorneys.  Our attorneys apply decades of focused experience and expertise in the representation of firm clients. In doing so, our attorneys have established national reputations in the areas of regulatory compliance, corporate transactions and health law. Our philosophy is simple — Your success is our success. Accordingly, we aggressively work to safeguard your financial interests, and in some cases your personal liberty. We strive to provide quality, innovative representation in as cost-effective manner as possible.

Martindale-Hubbell has rated our firm as “AV.” This honor is “limited to only the most distinguished law practices; those that have achieved the AV rating. The ‘A’ signifies the highest level of legal ability, while the ‘V’ denotes ‘very high’ adherence to professional standards of conduct, ethics, reliability, and diligence.”

Our Attorneys

Over the years, attorneys with our firm have been recognized for their work in a variety of areas, including corporate governance, business transactions, Medicare, Medicaid and private overpayment audits and appeals and civil and criminal litigation. Our attorneys are often asked to speak at national conferences on a wide variety of topics.

Robert W. Liles, a Managing Partner at the firm, has extensive experience representing health care providers around the country in coding, billing and compliance related matters.  He is a nationally-recognized speaker and has presented at over 100 State, Regional and National health care conferences.  In addition to a law degree, he also holds a Master’s in Hospital Administration and a Master’s in Business Administration.  Robert is the author of the curriculum used by one of the nation’s oldest and largest medical administration training organizations for its “Certified Medical Compliance Officer” (CMCO) course, a comprehensive live program specifically designed to train non-hospital Compliance Officers. Robert has also been named General Counsel for a respected national third-party billing organization.  Robert has been rated “AV” by Martindale-Hubbell  for over 10 years.  Additionally, he has been rated “Superb,” achieving a score of “10 out of 10″ by AVVO, an attorney rating service.

David P. Parker, a Managing Member at the firm, served as General Counsel for an NYSE-traded corporation.  Mr. Parker represents companies in complex corporate transactions (such as the buying and selling of an enterprise).  In addition, David regularly represents health care clients in administrative appeals and in compliance related matters.

Leonard Schneider, the Supervising Attorney of our Houston Office, is a former Galveston County prosecutor.  He represents cities and towns across Texas, serving as City Attorney.  He also represents health care providers around the country in litigation.  

Andy Lynch, a Partner in the Washington, DC office, works on a wide variety of highly complex corporate transactions.   Andy’s corporate expertise also extends to the health care arena, where he is adept at counseling health care providers on proposed complex transactions.

Michael Cook, also a Partner in the Washington, DC office, has been involved in health care regulatory affairs for several decades, having worked as an attorney at the Department of Health and Human Services and having successfully represented major health care corporations while in private practice.  Mike has been rated “AV” by Martindale-Hubbell for over 15 years, the highest rating which can be awarded by this attorney rating service.

Paul Weidenfeld, a DC Partner, has represented health care organizations and providers involved with both civil and criminal matters, trying over 75 separate cases throughout his tenure as a litigator.   Paul has extensive experience and expertise working on False Claims Act matters and cases.  While a Federal Prosecutor, he served as “National Health Care Fraud Coordinator” for the U.S. Department of Justice’s, Executive Office for U.S. Attorneys.  Paul has been rated “AV” by Martindale-Hubbell, the highest rating which can be awarded by this nationally-recognized attorney rating service.

Les Johnson serves as the Supervising Attorney of our Baton Rouge office.  Les handles a wide variety of health care matters and Medicare appeals, both overpayment and PRRB. He holds an LL.M. in Health Law & Policy from the Beazley Institute for Health Law & Policy in Chicago, and serves as compliance officer for a series of family businesses including a skilled nursing facility, rehabilitation center, hospice, and an inpatient detox facility.  The majority of Les’s practice is devoted to health care regulatory compliance, fraud & abuse, and Medicare appeals.

Jennifer Papapanagiotou, a Partner in our Houston office, handles health care business transactions, Stark and Anti-Kickback analyses, and health care corporate governance and compliance.  Jennifer has extensive experience representing physicians and advising them on changes to their practice. 

Ismail Laher is a Partner in the Washington DC office. He is a former Jones Day Associate Attorney and a Graduate of both Harvard Business School and Georgetown University Law School. Over the years, Attorney Laher has evolved into being a Trusted Adviser to a wide spectrum of clients.

International Businesses & Individuals call upon Attorney Laher as their point of first contact into the USA to better understand their various legal & strategic options here.  Health Care Providers call upon him as their Certified Medical Compliance Officer to assist them with the setup and audit of Compliance Plans and related issues.  Employers and Individual Clients call upon him to represent them with their various Corporate, Family & Immigration needs

We understand the legal needs of your business and we look forward to answering any questions that you have regarding our services.  Would you like to speak with some of our clients?  Some attorneys are often hesitant to share references with prospective clients — not us.  We are work hard for our clients are can often direct you to one we helped with a similar problem.  They are are no guarantees in this business.  Nevertheless, we are prepared to work hard for you and your company.  Please give us a call at 202-298-8750 or toll-free at 1-800-475-1906 for a free consultation.