Northern Illinois Ent Specialists Ltd is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Physicians & Surgeons - Otolaryngology - Head & Neck Surgery (Ear, Nose, Throat)
• Physicians & Surgeons
• Physicians & Surgeon Md & Do
• Physicians & Surgeon Md & Do Otolaryngology Eye Ear Nose & Throat

North American Industry Classification System (NAICS) Categories:

• Offices Of Physicians (Except Mental Health Specialists) > Physicians & Surgeons Otolaryngology > Physicians & Surgeons Eye Ear Nose & Throat
• Offices Of Physicians (Except Mental Health Specialists) > Physicians & Surgeons Osteopathic Otolaryngology > Physicians & Surgeons Osteopathic Eye Ear Nose & Throat

Standard Industry Classification (SIC) Categories:

• Offices And Clinics Of Doctors Of Medicine > Physicians & Surgeons General Surgery > Physicians & Surgeons Head & Neck Surgery
• Offices And Clinics Of Doctors Of Medicine > Physicians & Surgeons Otolaryngology
• Offices And Clinics Of Doctors Of Osteopathy > Physicians & Surgeons Osteopathic Otolaryngology > Physicians & Surgeons Osteopathic Eye Ear Nose & Throat