Mark A. Kadzielski

Mark A. Kadzielski


Los Angeles, CA
Phone: 213.928.9820    Fax: 213.928.9850

Orange County, CA
Phone: 949.567.3500    Fax: 949.863.0451

"The "extremely talented" Mark Kadzielski works across a range of issues including peer review, Medicare certification and government investigations. Impressed clients describe him as "very competent, timely and efficient.” -- Chambers USA 2016

Mark A. Kadzielski is a partner in the Health Sciences Department of Pepper Hamilton LLP, resident in the Los Angeles office. He is a nationally recognized authority in health care law and regulation.

Mr. Kadzielski represents hospitals, medical staffs, managed care enterprises, and institutional and individual health care providers throughout the United States. His work includes government regulatory investigations, contracting issues, credentialing, peer review, licensing, medical staff bylaws, joint commission accreditation and Medicare certification.

Mr. Kadzielski has prepared more than 200 sets of medical staff bylaws and has handled numerous peer review hearings and appeals, including litigation in many courts.

Prior to joining Pepper, Mr. Kadzielski was a partner at Norton Rose Fulbright in Los Angeles where he headed the firm’s West Coast health law practice.


  • J.D., University of Pennsylvania Law School, 1976
  • A.B., magna cum laude, John Carroll University, 1968

Bar Admissions

  • California, 1976

Practice Areas