First Step

First Step is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Medical Service Organizations
• Physicians & Surgeon Clinics

North American Industry Classification System (NAICS) Categories:

• Offices Of Physicians (Except Mental Health Specialists)
• Professional Organizations > Organizations, Medical & Health Services

Standard Industry Classification (SIC) Categories:

• Offices And Clinics Of Doctors Of Medicine
• Professional Membership Organizations > Organizations, Medical & Health Services