Contact ASO/SIDS
Contact ASO by phone from 9am - 5pm (eastern) on business days by phone. You can also fax or email at any time. Please use the quick contact form below to send ASO an email.
We would be happy to answer your questions.
Phone (9am - 5pm Eastern)
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- Member Services: 1-800-537-1238
- Optical Eligibility: 1-516-596-4387
- Fax Number: 1-877-414-4069
Address
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- 303 Merrick Road
- Lynbrook, NY 11563