Dr. Nicholas Callahan

MPH DMD MD | Orthodontist


 801 S Paulina St, Chicago
    Illinois, 60612

  312-413-2379    312-996-5987   Maps & Directions
Dr. Nicholas Callahan is an Orthodontist practicing in Chicago, Illinois. Active license number of Dr. Nicholas Callahan is 036147058 for Orthodontics in Illinois. His current practice location is 801 S Paulina St, Chicago. Patients can reach him at 312-413-2379 or can fax him at 312-996-5987. Dr. Nicholas Callahan is MPH DMD MD in Orthodontics and his NPI number (Unique professional ID assigned by NPPES) is 1083920227.
Dr. Nicholas Callahan major responsibilities include the diagnosis, prevention, interception and treatment of all forms of malocclusion of the teeth and associated alterations in their surrounding structures; the design, application and control of functional and corrective appliances; and the guidance of the dentition and its supporting structures to attain and maintain optimum occlusal relations in physiologic and esthetic harmony among facial and cranial structures.
Orthodontists are also called dentofacial orthopedics who deals with that area of dentistry concerned with the supervision, guidance and correction of the growing or mature dentofacial structures, including those conditions that require movement of teeth or correction of malrelationships and malformations of their related structures and the adjustment of relationships between and among teeth and facial bones by the application of forces and/or the stimulation and redirection of functional forces within the craniofacial complex.
Complete Profile:
Dr. Nicholas Callahan speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Specialization: Orthodontics
Credentials: MPH DMD MD
Gender:Male
Practice Address:801 S Paulina St, Chicago,
Illinois, 60612
Phone:312-413-2379
Fax:312-996-5987
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1083920227
NPI Enumeration Date: 25 Aug, 2010
NPI Last Update On: 25 Aug, 2026
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Nicholas Callahan are as mentioned below.
License NumberSpecializationStateStatus
036147058Orthodontics IllinoisPrimary
021102880Dentist IllinoisSecondary
019031599Oral & Maxillofacial Surgery IllinoisSecondary
021002880Orthodontics IllinoisSecondary
036147058Dentist IllinoisSecondary
036147058Orthodontics IllinoisSecondary
021002880Oral & Maxillofacial Surgery IllinoisSecondary
019031599Dentist IllinoisSecondary
019031599Orthodontics IllinoisSecondary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 801 S Paulina St,
Chicago, Illinois
Zip: 60612-7210
Phone Number: 312-413-2379
Fax Number: 312-996-5987
Patients can reach Dr. Nicholas Callahan at 801 S Paulina St, Chicago, Illinois or can call to book an appointment on 312-413-2379.
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** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.