What's New


We are Moving!!

Beginning June 27th, we are moving to a new practice and a new location!!!

Advanced Surgical Associates

830 West Market Street, Suite 360

Lima, Ohio 45801

Phone 419-227-7117

Fax 419-227-2848

ABC News Profile on da Vinci® Surgery

New research suggest doctors will perform better with robotic assistance.

Watch Dianne Sawyer of Good Morning America get up close and personal with The daVinci Robot
[ View video now ]

Data shows clinical advantages to robotic surgery
With a 3-D view and greater dexterity, the da Vinci surgical robot offers many advantages.

Prime Time Television Debut of The DaVinci Robot [View Video Now]

Launch of our New Website

We are pleased to announce the launch of our new website

Why call when you can click?
Log onto our Patient Portal to request appointments and prescription renewals, or to talk to our billing department. It's secure, it's easy and it's convenient. [ Log on now ]



Have You Had Your Screening Colonoscopy? We can perform that for you, ask us how!

Welcome to Our Practice

Located in Lima, Ohio, Dr. Michael T. Sheehan provides comprehensive, state-of-the-art diagnostic and surgical services for a variety of medical conditions that require surgery. Our highly skilled and diversely educated doctor, Michael T. Sheehan M.D., F.A.C.S., has an established reputation for excellent patient care and specializes in the latest, minimally-invasive procedures such as Single-Site da Vinci®Surgery for the treatment of gallbladder disease.