Meet Our Providers

The ARCW team of oral health care providers is here to provide you with the best dental experience possible. If you have HIV and would like to schedule an appointment with any one of them, please click on the Make an Appointment links on this page.


Scott Greatens, DDS Dental Director Phone: 414-225-1585 Email: Scott.Greatens@arcw.org

Dr. Greatens is the Dental Director at ARCW. In addition to providing personalized dental care to his patients, he also leads the operations of Wisconsin's largest HIV-dedicated dental clinic.

Michelle Dacosta Dentist Phone: 414-273-1991 Ext. 1595 Email: michelle.dacosta@arcw.org
Debbie Duerr Dental Hygienist Phone: 414-225-1593 Email: debbie.duerr@arcw.org

Debbie Duerr is a dental hygienist in the ARCW Dental Clinic in Milwaukee. In addition to providing dental care to ARCW dental patients, Debbie oversees the WCTC dental students who come through the dental clinic as a part of their education.

Debbie graduated from MATC Dental Hygiene program and also received the Dental Hygienist of the year award in 2004 for the work she does at ARCW. Debbie has been employed at ARCW for almost 13 years.

Colleen Hogan Dental Hygienist Phone: 414-225-1593 Email: colleen.norton@arcw.org

Colleen Hogan is a dental hygienist in the ARCW Dental Clinic in Milwaukee and also a dental hygiene instructor at Madison Area Technical College.

Colleen graduated from West Virginia University with a degree in Dental Hygiene and then worked in private practice for many years. She developed a passion for public health dentistry when she began teaching  Community Dentistry at the College of Lake County.  Colleen's strong desire to make a difference for her patients by educating and motivating them toward good oral health helps improve their overall health as well.

Jerzy Wozniak, DDS Dentist Phone: (608) 252-8642 Email: jerzy.wozniak@arcw.org

Dr. Wozniak brings his dental experience to ARCW which, along with his bouyant personality, combine to provide quality treatment with genuine care for patients.

Make a Health Services Appointment

Making an appointment with one of the outstanding medical, dental, mental health and pharmacy professionals at ARCW is as easy as clicking here.

Make an Appointment

Patient Testimonials

"The Partnership between Dr. Sosman and his great team at UW, my case manager and dentist at ARCW and their housing transportation and food pantry programs saved my life", said Debbie.

See other testimonials