National Medical Services

National Medical Services is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Billing Services
• Physicians & Surgeon Md & Do

North American Industry Classification System (NAICS) Categories:

• All Other Business Support Services > Financial Services > Billing & Electronic Claims Processing
• Offices Of Physicians (Except Mental Health Specialists)

Standard Industry Classification (SIC) Categories:

• Business Services, Nec > Financial Services > Billing & Electronic Claims Processing
• Offices And Clinics Of Doctors Of Medicine
• Offices And Clinics Of Doctors Of Osteopathy