Direct Secure Messaging (DSM)


  • Satisfy industry requirements
  • Enables many data processing use cases
  • Improves care coordination workflows
  • Supports standards-based HL7 C-CDA and FHIR™ formats


  • Hosted Direct mdEmail® as a Standalone Solution
  • Hosted Direct mdEmail® via API
  • Encryption as a Service

MaxMD's Health Information Service Provider supplies trusted Direct Secure Messaging solutions consistent with industry regulations and HIPAA requirements. MaxMD provides customizable, rapidly deployed, cost-effective, industry compliant, scalable interoperability solutions via the Direct Protocol.

Whether you are a small practice or a large hospital organization, choosing MaxMD as your EHNAC and DirectTrust Accredited Health Information Service Provider (HISP), Certificate Authority (CA) and Registration Authority (RA) means you can expect:


100% interoperable with the DirectTrust Accredited Trust Bundle

Rapid Implementation

Typical implementations less than 10 days

Industry Compliance

Adherence to ONC and CMS regulations, ISO 27002, HIPAA, HITECH, and requirements

Meaningful Use

Multiple configuration options support Meaningful Use Stage 2

Payload agnostic

Capability to send/receive both structured and unstructured data

Platform agnostic

Easily integrated into EHRs, mail servers, or any existing technology

Reliable Service

Reputation for providing secure communication services with zero down time and zero lost data

Cascading Delivery

Bridging strategy for communicating with an organization or individual that has not yet implemented Direct


MaxMD’s Encryption as a Service (EaaS®) configuration is the ideal choice for hospitals, ambulatory EHR vendors with native mail capabilities, long-term care hospitals, patient portal vendors, and Legacy HIT applications or SMTP end points.

A scalable, interoperable, and sustainable solution, EaaS® enables senders to meet the Meaningful Use (MU) Stage 2 summary of care measure while extending secure communications to patients, colleagues and business associates via the Nationwide Health Information Network (NwHIN).

EHR Vendors and Health IT Applications

For ambulatory EHR vendors requiring Direct Secure Messaging capability and pursuing ONC certification, MaxMD’s Hosted Direct mdEmail® configuration is 2015 ONC Certified HIT by Drummond Group.

All features of Hosted Direct Email® Version 3.0 can be called through a robust suite of SOAP or RESTful APIs.

Contact us for access to our API documentation and test environment.

Small Physician Offices and Community Services

MaxMD’s Hosted Direct mdEmail® configuration is the simple choice for small practices, individual providers, government agencies, insurance companies and other healthcare organizations that want to exchange structured or unstructured data with organizations utilizing certified electronic healthcare information technology.

As a standalone solution, Hosted Direct mdEmail® V3.0 can be used by any person or organization that needs to coordinate care without requiring an EHR, HIT application, or a dedicated mail server investment.