FOR IMMEDIATE RELEASE	FOR MORE INFORMATION:
Thursday, October 26, 2000	Elizabeth Sammis 301-838-5637

MAMSI Broadcasts Conference Call on the Internet

Rockville, MD -Mid Atlantic Medical Services, Inc. (MAMSI) (NYSE:MME) announced today that it will broadcast its third quarter earnings conference call via the Internet on Thursday, November 9, 2000 at 11 a.m. Eastern Standard Time. During the quarterly conference call, MAMSI's senior executive management presents and discusses the Company's financial results with the investor community.

"We are pleased to make MAMSI's financial results more accessible to all our shareholders and potential investors by using the power of the Internet," announced Mark D. Groban, M.D., MAMSI's Chairman of the Board.

Anyone interested in accessing the conference call should go 15 minutes before the scheduled conference call to MAMSI's Web site, www.mamsi.com, select the Investor Relations page and follow the directions (See Note 3). Users will need audio capability and Real Player on their computer in order to access the conference call. Real Player is available on www.real.com.

MAMSI is one of the mid-Atlantic region's largest managed care companies. Its health plans cover about 1.8 million lives in Maryland, Virginia, Washington, D.C., West Virginia, North Carolina, Pennsylvania and Delaware.

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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 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 of state or Federal budget mandates that reduce premium levels; the possibility of increased medical expenses due to increased utilization, inflation or legislative mandates; and the possibility that the Company is not able to expand its Service Area as planned. Investors should review other risks and uncertainties contained in Company documents filed with the Securities and Exchange Commission.

Note 2: MAMSI is a regional holding company for health care organizations that provides comprehensive health insurance products and services including: MD-Individual Practice Association, Inc. (M.D. IPA), a federally qualified HMO; Optimum Choice, Inc.® (OCI) , a non-federally qualified HMO; Optimum Choice of the Carolinas, Inc. (OCCI); Alliance PPO, LLC, a preferred provider organization; Mid Atlantic Psychiatric Services, Inc., a preferred provider organization offering managed psychiatric health care services; MAMSI Life and Health Insurance Company (MLH), a life and health insurance company; HomeCall, Inc. and FirstCall, Inc., home health care companies; and HomeCall Pharmaceutical Services, Inc., a pharmacy and home infusion services company.

Note 3: Individuals who listen to the call will be presumed to have read MAMSI's Annual Report on Form 10K for the year ended Dec 31, 1999 and Quarterly reports on Form 10 Q for the three months ended March 31, 2000 and June 30, 2000, including the discussion under the captions ' Business - Cautionary Statement Regarding Forward Statements' therein.