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

• Career & Vocational Counseling
• Counseling Services
• Physicians & Surgeons Psychiatry

North American Industry Classification System (NAICS) Categories:

• Offices Of Physicians, Mental Health Specialists > Physicians & Surgeons Psychiatry
• Services For The Elderly And Persons With Disabilities > General Counseling Services
• Other Individual And Family Services > General Counseling Services
• Vocational Rehabilitation Services > Counseling Services > Career & Vocational Counseling

Standard Industry Classification (SIC) Categories:

• Offices And Clinics Of Doctors Of Medicine > Physicians & Surgeons Psychiatry
• Individual And Family Social Services > General Counseling Services
• Job Training And Vocational Rehabilitation Services > Counseling Services > Career & Vocational Counseling