Office

This page provides you with practical information about our practice. It includes descriptions of our office location, including a map and directions, hours, appointment scheduling, insurance acceptance and billing policies.

Here are several ways to contact Dr. Deborah Blenner and her team. Please give a call, send an email, or simply fill out the form on contact page to contact our medical practice. We look forward to speaking with you.

Siena Proactive Internal Medicine
45 Terry Rd. Suite B
Smithtown, N.Y. 11787
Phone : 1-631-656-8171
Fax : 1-631-656-8173
email : [email protected]

Office Hours
Monday: 8:00 AM - 4:00 PM
Tuesday: 10:00 AM - 6:00 PM
Wednesday: 8:00 AM - 4:00 PM
Thursday: 12:00 PM - 8:00 PM
Friday: 8:00 AM - 4:00 PM
Saturday: Closed
Sunday: Closed

Click here for door to door driving directions

Facilities and Equipment

  • Convenient Testing Facilities

Contact Us

Our Location

Office Hours
Monday:8:00 AM - 4:00 PM
Tuesday:10:00 AM - 6:00 PM
Wednesday:8:00 AM - 4:00 PM
Thursday:12:00 PM - 8:00 PM
Friday:8:00 AM - 4:00 PM
Saturday:Closed
Sunday:Closed