Referrals Tandem means together, and that's exactly how we work. Send us a referral—let’s collaborate! Vocational Rehabilitation Referral Form (VR1)Notice of Intent to Change Vocational Rehabilitation Counselor (VR8)Nurse Case Management Referral Form (Workers’ Comp)Notice of Intent to Change Nurse Case Manager (Form9)Nurse Case Management Referral Form (Tandem Concierge)Vocational Assessment Referral Form