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Individual
DR. NICHOLAS CALLAHAN
Active
Individual
DR. NICHOLAS CALLAHAN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MPH DMD MD
Taxonomy
Speciality
Code
Description
License number
State
1223S0112X
Oral and Maxillofacial Surgery (Dentist)
019031599
IL
1223S0112X
Oral and Maxillofacial Surgery (Dentist)
021102880
IL
1223S0112X
Oral and Maxillofacial Surgery (Dentist)
036147058
IL
1223X0400X
Orthodontics and Dentofacial Orthopedics Dentistry
019031599
IL
1223X0400X
Orthodontics and Dentofacial Orthopedics Dentistry
021002880
IL
1223X0400X
Orthodontics and Dentofacial Orthopedics Dentistry
036147058
IL
204E00000X
Oral & Maxillofacial Surgery (D.M.D.)
019031599
IL
204E00000X
Oral & Maxillofacial Surgery (D.M.D.)
021002880
IL
204E00000X
Oral & Maxillofacial Surgery (D.M.D.)
Primary
036147058
IL
Other
Enumeration date
08/25/2010
Last updated
08/25/2026
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