William T. Mathias

Baker, Donelson, Bearman, Caldwell & Berkowitz PC

William Mathias is a shareholder in the Health Law Group in Baker Donelson’s Baltimore office. He co-chairs the Firm’s Fraud and Abuse Subgroup. Mr. Mathias represents clients across the country in all areas of the health care industry, with a focus on fraud and abuse, internal and government investigations and corporate compliance matters.

Bill has extensive experience counseling clients on compliance with the federal Anti-kickback Law, the Stark Physician Self-Referral Statute and the federal Civil Monetary Penalty provisions. With the changing nature of the health care system, Bill works with hospitals and health care systems to develop physician alignment strategies, including joint ventures, co-management agreements, and gainsharing arrangements.

He also advises health systems and GPOs on compliance with the discount and GPO safe harbors as well as strategies for reducing legal risks associated with cutting edge supply chain management and purchasing programs.

Bill regularly works with investors and health care companies to evaluate potential opportunities, identify risks and structure transactions in an effort to mitigate risk. He directs health care due diligence efforts for clients and transactions counsel. Bill conducts internal investigations; defends against government investigations and qui tam false claims cases.

He has extensive experience working with clients to resolve matters through the OIG and CMS voluntary self-disclosure protocols. Bill has successfully obtained several OIG advisory opinions. He also has experience advising health care providers facing exclusion from Medicare and other federal health care programs as well as health care companies that have employed excluded providers.

Over the years, Bill has gained significant experience in negotiating Corporate Integrity Agreements (CIAs) and helping health care companies to navigate the complexities of operating under a CIA. In addition, he regularly assists clients with developing and monitoring the effectiveness of compliance programs.


  • University of Maryland School of Law, J.D., 1996, with honors
  • Amherst College, B.A., 1990, cum laude


  • Maryland
  • Court of Appeals of Maryland
  • U.S. District Court for the District of Maryland
  • U.S. Court of Appeals for the Fourth Circuit

Representative Matters:

  • Assisted large, national for-profit health system in vetting fraud & abuse and Stark issues in multiple clinical co-management arrangements designed to improve quality and enhance hospital/physician alignment.
  • Led health care regulatory due diligence team for Fortune 20 company in connection with multiple stock acquisitions valued upwards of $60 million.
  • Advised multiple, large, for-profit and not-for-profit health systems in analyzing fraud & abuse risks associated with their supply chain management and purchasing strategy, including compliance with the discount and group purchasing organization (GPO) safe harbors.

Professional Memberships:

  • Member – American Bar Association
  • Member – American Health Lawyers Association
  • Member – Maryland State Bar Association
  • Member – Serjeants Inn Law Club

Community Service : Young Lawyers Division, Past Board Member – Legal Aid Bureau


Rate : $$$

What types of cases Attorney William T. Mathias & Baker, Donelson, Bearman, Caldwell & Berkowitz PC can handle?
Baker, Donelson, Bearman, Caldwell & Berkowitz PC can handle cases related to laws concerning Child Abuse, Health Care, Venture capital, Government. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Baker, Donelson, Bearman, Caldwell & Berkowitz PC located?
Baker, Donelson, Bearman, Caldwell & Berkowitz PC is located at Legg Mason Building, 100 Light St, Baltimore, MD 21202, USA. You can reach out to Baker, Donelson, Bearman, Caldwell & Berkowitz PC using their phone line 410.862.1067. You can also check their website bakerdonelson.com.
How much would it cost to hire Baker, Donelson, Bearman, Caldwell & Berkowitz PC?
William T. Mathias lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
Are William T. Mathias reviews trust-able?
We have the ratings and reviews moderation team who checks and verifies every review submitted on our website manually. You can trust all the reviews you see on William T. Mathias lawyer profile listing.

Rate and write a review

Your email address will not be published. Required fields are marked *

Is this your profile?Claim it now.

Make sure your information is up to date.
Baker, Donelson, Bearman, Caldwell & Berkowitz PC
Light Street 100
Baltimore 21202 MD US
Get directions

Brian Orlow

Main Street 71-18
11367 NY US

Lina Stillman

Broadway 42
New York 10006 NY US