About Us

MEDICAL MUTUAL Liability Insurance Society of Maryland is the leading provider of medical professional liability insurance for Maryland Physicians. We are proud to be a mutual company that is owned by Maryland Doctors and directed by Maryland Doctors. Since 1975, we have been dedicated to providing the most aggressive defense of our Insureds' practices and reputations, providing affordable and comprehensive coverages, offering timely and meaningful risk mangement education programs and materials, and maintaining gold-standard service to our Insureds.

Mission Statement

To provide quality professionaly liability insurance to Maryland Physicians

The MEDICAL MUTUAL Difference

During these times of constant change in the health care community, you can always depend on MEDICAL MUTUAL for:

UNMATCHED

ABSOLUTE STRONGEST CLAIMS DEFENSE
No other insurance company has access to our elite legal defense team, including Maryland’s most talented malpractice defense attorneys and our experienced claims management specialists.

UNEQUALED

YEAR-ROUND ADVOCACY
Only MEDICAL MUTUAL fights for your professional liability interests in the Maryland legislature and appellate courts. We are the only carrier working tirelessly to preserve hard-earned tort reforms.

UNSURPASSED

RESPONSIVE, LOCAL CUSTOMER SERVICE
MEDICAL MUTUAL offers friendly, knowledgeable and efficient customer service from our Hunt Valley office for the convenience of your practice. Get helpful, personalized service when you need it.

UNBEATABLE

REWARDS FOR MARYLAND DOCTORS
We are a recognized national leader in returning dividends to our Policyholders. And our Mutual Advantage Plan financial reward program recognizes your loyalty and dedication to quality health care..

UNPARALLELED

MARYLAND-FOCUSED RISK MANAGEMENT 
Each year our local, medico/legal experts create new risk management education programs specifically designed to address the unique patient care and liability challenges faced by Maryland Doctors.

UNWAVERING

COMMITMENT TO MARYLAND DOCTORS
Only MEDICAL MUTUAL has defended Maryland Doctors continuously for over 40 years. We’re Doctor-owned and directed and have the dedication and financial strength for your long-term protection.