Tri-County Obstetrics & Gynecology

Suite 100
221 East Main Street
Milford, MA 01757

Second Address

77 West Main Street
Hopkinton, MA 01748


Office Hours

We see patients during the following hours. Please note that while our office may be open for patient visits, our phones may be covered by our answering service before 8:30 a.m. and after 5:00 p.m.

  • Monday through Friday: 8:30 a.m. - 5:00 p.m.

Our office is closed on holidays.

Scheduling an Appointment

To schedule an appointment with Tri-County Obstetrics & Gynecology, please call 508-482-5405. If you need to cancel or reschedule an appointment, please give us 24 hours notice so that we may schedule that time with another patient. If we do not receive notification, a no-show charge may be billed to your account.

Urgent Care, After Hours, and Emergencies

After office hours, please call 508-482-5405 and the physician on call will call you back shortly after you leave a message. In a life-threatening emergency, please call 911 immediately.

Prescription Refills

To renew a prescription, call our office during regular office hours. Please allow at least forty-eight hours for routine refills. Sometimes a prescription refill request appears simple, but may require an examination or new instructions. In these cases, we may request that you see the doctor.


We are providers for most medical insurance plans. Because there are a wide variety of insurance options, please contact your insurance company directly to make sure your doctor accepts your plan.

If you are insured, please remember to bring your insurance card with you when you visit our office. We must validate your insurance at each visit. Your co-payment is due at the time of your visit. We accept cash, check, Mastercard, Visa, Discover and American Express.

Hospital Affiliations

Our primary hospital is Milford Regional Medical Center.

The Tri-County Medical Network of Doctors

Tri-County Obstetrics & Gynecology is a Tri-County Medical Associates facility. Tri-County Medical is a physicians’ practice group serving the healthcare needs of residents within MetroWest and the Blackstone Valley. Our physicians, physician assistants and nurse practitioners practice primary and specialty medicine in office locations within Bellingham, Franklin, Hopkinton, Medway, Mendon, Milford and Whitinsville. For a free guide to our many fine healthcare providers, please call 508-473-1480.

Our Providers

Brenda Coutinho, MD, FACOG

Sharon L. Ginsberg, RN, MS, CNP