| Practice Finder

Browse Dentists By State NewPatientsInc.com Are You a Dentist?

Microsurgical Reconstructive Surgery

DR. NICHOLAS CALLAHAN, MPH DMD MD — CHICAGO, IL

Dental marketing that delivers results. Helping dental practices attract and retain patients since 1989.

Find Dentists

All Dentists By State By City

For Dental Practices

Marketing Services Dental SEO Dental Websites Free Consultation

Company

About NPI Blog Contact

© 2026 New Patients Inc. All rights reserved.