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Caterpillar Health Alliance HMO

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NOTE: If you are a new Health Alliance member and have not received your ID card, please contact Customer Service 1-800-984-3510 to verify your coverage and obtain your member number.

Thank you for choosing Health Alliance. Use the links below to find out more about your HMO coverage. If you have any further questions, contact your benefits administrator or email a Health Alliance representative. Please include a phone number where a customer service representative can reach you Monday through Friday between 8 a.m. and 5 p.m. Also, feel free to call our dedicated customer service line for Caterpillar employees and retirees at 1-800-984-3510.

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