Trustmark: 1-877-848-9997

Provider Networks

Health Insurance Network Providers – LG Health

Why Use Eliance Preferred Network(Tier 1) Providers?
The primary care physicians and specialists in the Eliance Preferred Network deliver to you and your family, the most convenient and cost-effective provider option. Eliance providers follow high quality protocols driven by advanced clinical initiatives that have been shown to improve medical outcomes and reduce health-related costs.

For employees using the Eliance Network co-pays and out-of-pocket expenses are reduced. The vast majority of services are available; however, if a service is not available within the Eliance Network, employees may access additional networks at the Tier 2 benefit level.

Which Providers Participate in the Eliance Preferred Provider Network?
The Eliance Network includes all providers employed by Penn Medicine Lancaster General Health, as well as, the University of Pennsylvania Health System and the Children’s Hospital of Philadelphia.

Where do I find Care? This simple tool can help you find the most appropriate Lancaster General Health Provider or Penn Medicine Provider*based on your location.

*Penn Medicine Provider search tool identifies Tier 1 providers under the LGHealth medical plans. Please refer to LGHealth medical plan design for more information about your benefits and coverage.

Tier 2 Providers

Employees may also access additional providers that include the following networks:

To determine if a provider is Tier 1 or Tier 2, or if you have other questions about the provider networks, please call Trustmark (formerly CoreSource) at 1-877-848-9997 (24 hours a day/7 days a week). You can also view claims information, print or order ID cards and access insurance-related forms online, by logging onto

Note: Any healthcare services performed at UPMC Pinnacle Lititz will be subject to a $1500 co-payment, per hospitalization stay or outpatient services.

Health Insurance Network Providers – Horizon Healthcare Services

Horizon Healthcare Services employees have Tier 1 benefits through the Eliance Preferred Network.

The Preferred Health Care (PHC) Network is available as Tier 2 benefits. For those employees who reside outside of Lancaster County, out of network claims will process as Tier 2 or Non-Preferred benefits.

Horizon employees should always confirm facility and provider levels of coverage before seeking services, by contacting Eliance Health Solutions at 717-553-1124, and selecting option 6.

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