Search › Illinois › 204E00000X
Nicholas Callahan, MPH DMD MD
NPI 1083920227 · on the registry since 2010
Practice
- Address
- 801 S Paulina St
Chicago, IL 60612 - Phone
- (312) 413-2379
- Fax
- (312) 996-5987
- Organisation at this address
- Uic College Of Dentistry
Board Of Trustees Of The University Of Illinois
The Board Of Trustees Of The University Of Illinois
University Of Illinois At Chicago College Of Dentistry
Uic College Of Dentistry Oral Pathology Biopsy ServiceInferred from a shared address, not stated in the registry. - Clinicians at this address
- 168
Additional practice sites
- 451 Clarkson Ave, Brooklyn, NY
Registry record
- Primary taxonomy
- 204E00000X
204E00000X
- Also registered as
- 1223S0112X
204E00000X
1223X0400X
1223S0112X
1223X0400X
204E00000X
1223S0112X
1223X0400X - Licence states on file
- IL
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-08-25
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Illinois