Keystone First
Also covers / subsidiaries: Keystone First Pennsylvania, Keystone First Community HealthChoices
Core Payer & Clearinghouse Profile
Electronic Payer ID
10300
23284 confirmed as the Keystone First EDI payer ID. Keystone First CHC and other lines may route differently. (Pennsylvania)
Timely Filing Limit (TFL)
Initial claims within 180 days of DOS; resubmissions/corrections within 365 days of DOS
Appeal Window
Varies — confirm via portal / clearinghouse
Clearinghouse Gateway
NaviNet (claim status/eligibility); EDI for claims submission
Provider Services
800-521-6007
Claims Fax
Varies — confirm via portal / clearinghouse
Claims Address
Keystone First Claims Processing Department, P.O. Box 7115, London, KY 40742
Provider Portal
https://www.navinet.net
Southeastern Pennsylvania Medicaid (HealthChoices) plan, part of the AmeriHealth Caritas family.
National EDI Clearinghouse Capabilities
Direct ANSI X12 electronic transaction support verified for Keystone First.
Associated Clearinghouse Payer IDs
National clearinghouse networks maintain dedicated routing IDs for specific transaction lines or subsidiaries under Keystone First.
| Clearinghouse Name | Electronic Payer ID | Status | Enrollment | Supported Services |
|---|---|---|---|---|
| Keystone First | 10300 | Par | None | 837P837I270/271Dental |
| Keystone First | 23284 | Non-Par | Required | 837P837I835 ERA |
| Keystone First Community Healthchoices | 42344 | Non-Par | Required | 837P837I835 ERA |
| Keystone Mercy Health | 23284 | Par | None | 837P837I270/271Dental |
| Keystone Mercy Health Plan | 23284 | Non-Par | Required | 837P837I835 ERA |
Resolution Tools for Keystone First Claims
Values vary by plan, line of business, and provider agreement. Confirm in the payer portal or with your clearinghouse gateway before submitting electronic claims.
Tired of Chasing Keystone First Denials & Delayed Payments?
Aethera's billing specialists work Keystone First every day — handling EDI clearinghouse rejects, prior authorizations, payment posting, and 30-day AR aging recovery.