FOR IMMEDIATE RELEASE	FOR MORE INFORMATION:
Monday, October 16, 2000	Diane Landry King (301) 838-5636

MAMSI Announces New Medical Director

Rockville, MD -- Mid Atlantic Medical Services, Inc. (MAMSI) (NYSE:MME) today announced the appointment of Ronald Joseph Wiesinger, M.D. to Associate Medical Director.

Dr. Wiesinger is responsible for clinical care coordination for outpatient services in the Medical Affairs Department. He is board-certified in pediatrics and addiction medicine and has practiced medicine for over 17 years. Prior to joining MAMSI, he was Physician Center Chief for North Capitol/Falls Church Medical Centers. He was a practicing physician in the specialties of pediatrics, urgent care medicine and chemical dependency services with Kaiser Permanente of the Mid-Atlantic Region for over 15 years. He has held various posts in the local health care industry including Regional Radiology Manager and After Hours Care/Emergency Services Administrative Chief.

He earned his bachelor's degree in biochemistry from the University of Virginia (UVA), his Doctor of Medicine degree from UVA's School of Medicine, and completed his residency in pediatrics at Medical College of Virginia. He resides in Washington, D.C.

MAMSI is one of the mid-Atlantic region's largest managed care companies with subsidiaries covering over 1.8 million lives in Maryland, Virginia, Washington, D.C., Delaware, North Carolina and West Virginia. For more information about MAMSI, logon to www.mamsi.com.

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Note 1: Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995: All forward-looking information or statements contained in this release, including expectations regarding future or continued performance, are based on management's current knowledge of factors, all with inherent risks and uncertainties, affecting MAMSI's business. MAMSI's actual results may differ materially if these assumptions prove invalid. Significant risk factors, while not all-inclusive, are: the possibility of increasing price competition in the Company's marketplace; the possibility that the Company is not able to increase its market share at the anticipated premium rate; the possibility of increased litigation, legislation or regulation that might increase regulatory oversight which, in turn, would have the potential for increased costs; the possibility of increased medical expenses due to increased utilization, inflation or legislative mandates; and the possibility that the Company is not able to negotiate new or renewal contracts with appropriate physicians and health care practitioners. Investors should review other risks and uncertainties contained in Company documents filed with the Securities and Exchange Commission.