Jones & Keller, P.C.

Thomas P. McMahon


Jones & Keller, P.C.

Contact Information



J.D. cum laude University of MIchigan Law School 1971. Practice focuses on antitrust litigation and counseling, and representation of healthcare professionals in licensing, privileging and peer review proceedings. Career recoveries for clients amount to tens of millions of dollars. Successfully argued on behalf of 23 amici States before U.S. Supreme Court in Cmty. Commc'ns Co. v. City of Boulder, 455 U.S. 40 (1982). Has successfully represented physicians and other clients before federal and state courts and administrative tribunals in Colorado, Missouri, Montana and Wyoming.

Areas of Law and Practice

Areas of Law Areas of Practice
Antitrust and Trade Regulation Antiboycott Compliance, Antitrust, Antitrust Class Actions, Business Combinations, Competition, Deceptive Trade Practices, Price-Fixing, Trade Regulation, Unfair Trade
Appellate Practice Civil Appeals
Health Care Alternative Health Care Delivery, Systems, Bioethics, Certificates of Need, Continuing Care Retirement Communities, Government Health Care Contracts, Health Care Administration, Health Care Bankruptcy, Health Care Compliance, Health Care Contracts, Health Care Corporate Law, Health Care Facility Licensing, Health Care Facility Regulation, Health Care Finance, Health Care Fraud, Health Care Insolvency, Health Care Legislation, Health Care Liability, Health Care Licensing, Health Care Litigation, Health Care Mergers and Acquisitions, Health Care Privacy, Health Care Reform, Health Care Regulation, Health Care Reimbursement, Health Care Taxation, Health Information Technology, Health Insurance, Health Insurance Coverage, Health Insurance Defense, Health Insurance Portability and Accountability Ac, Health Insurance Trusts, Health Law, Health Maintenance Organizations, Home Health Care, Integrated Health Care Delivery Systems, Long Term Care, Managed Care, Managed Care Contracts, Managed Care Liability, Medical Antitrust, Medical Collections, Medical Ethics, Medical Law, Mental Health Law, Nurses Licensing, Nursing Home Abuse and Neglect, Nursing Home Liability, Nursing Home Litigation, Nursing Home Negligence, Nursing Home Regulation, Nursing Law, Patients Rights, Pharmacy Law, Physician Practices, Physicians Contracts, Physicians Licensing, Public Health Law, Telemedicine
Hospital Law Hospital Liability, Hospital Peer Review, Hospital Privilege, Medical Staff Contracts, Medical Staff Credentialing
Litigation Civil Litigation, Commercial Litigation, Complex and Multi-District Litigation, Complex Litigation, Defense Litigation, E-Discovery, Federal Civil Litigation, Federal Litigation, International Litigation, Long-Arm Litigation, Personal Injury Litigation, Trial Practice, U.S. Supreme Court Litigation


  • Federal
  • Colorado, Michigan

Employment History

  • Shareholder | Jones & Keller, P.C.

    2006 - 2017


  • J.D. | University of Michigan Law School

    1968 - 1971

    Cum laude; Order of the Coif; Note & Comment Editor, Mich.L.Rev.

  • B.A., Political Science | Michigan State University

    1964 - 1968

    With High Honor; member, Honors College.

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Publications and Presentations

No Publications

  • Denver, Colorado, Denver County

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