Nippon Life Benefits Contact Directory
12 contact channels across 3 types (Fax, Mailing Address, Phone) for claims, prior authorization, provider services, and more.
Last verified Aug 25, 2026 from the payer's published directories.
Phone
4 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 800-374-1835 | Claims Status, Eligibility Benefits, Provider Services | Commercial | 7am - 7pm CST Monday - Friday (claims related) | 7am - 7pm CST Monday - Friday | English and Spanish toll-free customer service for claims-related questions | Verification of coverage – provider should call toll-free nationwide | General customer service for providers – English & Spanish | View source |
| 877-827-8713 | Claims Status, Provider Services | All | 7am - 7pm CST Monday - Friday (claims related) | 8am - 5:30pm CST Monday - Friday | Customer service; provider-facing claims/benefits questions. Korean. - Korean toll-free customer service line | Korean | View source |
| 800-971-0638 | Claims Status, Provider Services | All | 7am - 7pm CST Monday - Friday (claims related) | 8am - 7pm CST Monday - Friday | Customer service; provider-facing claims/benefits questions. Japanese. - Japanese toll-free customer service line | Japanese | View source |
| 800-624-0756 | Dental | All | N/A | Dental office staff instruction says to call Aetna’s provider line if unsure; this is the only payer-adjacent provider contact explicitly named for dental office staff. - dental office staff instructions; Aetna provider line referenced | View source |
Fax
3 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 847-615-3122 | Appeals Disputes | Commercial | N/A | Life and disability claims fax, not medical - Group life and disability claims fax | View source |
| 913-387-5915 | Claims Submission | All | N/A | Medical, dental, and vision claims fax. - medical, dental, and vision claims | View source |
| 913-387-5920 | Provider Services | All | N/A | Business Administration fax. - business administration | View source |
Mailing Addresses
5 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| Nippon Life Insurance Company of America, P.O. Box 2968, Clinton, IA 52733 | Appeals Disputes | Commercial | N/A | Life and disability claims, not medical; included here only because clearly labeled as claims contact - Group life and disability claims correspondence address | View source |
| Nippon Life Insurance Company of America – Claims, P.O. Box 25951, Shawnee Mission, KS 66225-5951 | Claims Submission | All | N/A | Claims submission mailing address. - Medical claims mailing address (Nippon Life Benefits) | View source |
| Nippon Life Insurance Company of America – Claims, 6240 Sprint Parkway Ste. 400, Overland Park, KS 66211 | Claims Submission | All | N/A | Alternate claims address listed in the claim payment overview. - Alternate claims address listed in claim payment overview | View source |
| Nippon Life Benefits, P.O. Box 25951, Shawnee Mission, KS 66225-5951 | Claims Submission | Commercial | N/A | Medical claim form instructions – Nippon Life Benefits | View source |
| Nippon Life Insurance Company of America, P.O. Box 4387, Clinton, IA 52733 | Provider Services | All | N/A | Privacy notice mailing address listed in the privacy notice. | Privacy officer mailing address listed in privacy notice. - health information requests | privacy officer / health information requests | View source |
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Sources
Where this data comes from
Every contact in this directory comes from documents the payers publish themselves, such as provider manuals, quick reference guides, and contact pages, and each payer page shows when its contacts were last verified. You can see all of our data sources and how we process them.
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