Contacts
Every plan administrator, in one place.
Call the administrator directly for claims, coverage questions and ID cards. For questions about eligibility or enrollment, contact Littelfuse Human Resources.
Health & Wellbeing
Medical
Customer service:
800-526-6593
Pre-authorization:
800-635-1928
Provider locator:
800-810-2583
24/7 Nurseline:
800-299-0274
Prescription Drug
800-423-1973
Dental
800-323-1743
Vision
866-939-3633
Employee Assistance Program & Digital Mental Health
EAP & CBT: 888-267-8126
Neurodivergence Support
Financial Security
401(k) Retirement Plan
844-465-4455
Health Savings Account
855-731-5220
Flexible Spending Accounts
800-284-4885
Lifestyle Spending Account
800-284-4885
Commuter Account
800-284-4885
COBRA
800-359-3921
Income Protection
Life Insurance and AD&D
888-842-4462
Whole Life & Long Term Care
800-521-3535
Disability
888-842-4462
Supplemental Health Benefits
800-754-3207
Leave of Absence
888-842-4462
Parental Leave
888-842-4462
Additional Benefits
Identity Theft
800-521-3535
Legal Plan
800-247-4184
Website access code: 18837lf
Travel Assistsance
215-942-8226