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Karen Harris

Partner at Arnstein & Lehr
Chicago, Illinois
Karen Harris is a partner in the Chicago office of Arnstein & Lehr LLP and a member of the firm’s Health Care Practice Group. Karen joins the firm from several prominent Chicago law firms and also served as regional general counsel at Aetna U.S. Healthcare, Inc. She earned departmental honors at Princeton University and received a Doctor of Law degree from Harvard Law School.

Karen’s practice focuses on transactional and regulatory health care law on behalf of all types of health care providers and entities, including, hospital systems, physicians, IPAs, ambulatory surgical centers and other health care professionals, managed care companies, pharmaceutical companies, and HMOs. Her practice includes experience in drafting physician employment agreements, asset and stock purchase agreements, management services agreements and other contracts, as well as advising clients on healthcare regulatory issues, such as corporate practice of medicine, Medicare and Medicaid fraud and abuse, Stark, HIPAA, fee-splitting, antitrust, certificate of need, national practitioner data bank and patient rights, health care compliance programs, and reproductive law. She is also an expert in states’ medical marijuana laws and has assisted clients in obtaining licensure, as well as advising on compliance issues.

About Me

What publications have you contributed to?
“Medical Cannabis: What Doctors Need to Know,” (February/March 2016)

“Is a Dental Practice Management Model Right For You?” (February/March 2016)

And many more from previous years.
What topics have you lectured or presented on?
“When the Feds Come Knocking: Health Care Fraud and Abuse,” webinar (September 28, 2016)

Starting a Business in Illinois seminar series, Women’s Business Development Center, presenter (September 7, 2016)

“Physicians’ Guide to Medical Cannabis in Illinois,” webinar sponsored by leading medical cannabis cultivator Cresco Labs (March 2016)

And more in previous years.


Association Position
American Health Lawyers Association Member
Black Women Lawyers Association Member
Committee on Minorities in Large Law Firms Member
Illinois Association of Healthcare Attorneys Member


School Degree Graduation Year
Harvard Law School J.D. 1994
Princeton University B.A. Psychology 1991

Contact Information

Arnstein & Lehr

153 South Riverside Plaza
Suite 1200

Chicago, IL 60606