EMR Direct
EMR Direct (California Mediterranean, LLC) provides Direct Messaging HISP, HL7 FHIR APIs, and X.509 digital certificate services via its Interoperability Engine platform, serving thousands of healthcare providers, EHR/health-IT developers, and patients across a network of 3.1 million endpoints.
- Company typePrivate
- Founded2013
- HeadquartersSan Diego, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What EMR Direct does
EMR Direct (legal entity California Mediterranean, LLC) is a San Diego-headquartered, privately held healthcare interoperability company founded in 2013. It operates the "Interoperability Engine" software suite, which delivers Direct Messaging HISP services (phiMail), HL7 FHIR R4 and OAuth 2.0 / SMART on FHIR application-access APIs (phiQuery), a DirectTrust-accredited X.509 Certificate Authority and Registration Authority (phiCert), and a consumer-facing FHIR client (HealthToGo). The stack supports standards including Direct Project, USCDI v3, SMART v2, UDAP, and HEART profiles, and is positioned as the first ONC (h)(2) certified HISP under the 2015 Edition.
The company monetizes primarily through recurring annual subscriptions: phiMail Web at $159/provider/year plus a $300 setup fee, sole-practitioner tiers at $139/year, and integrated HISP services starting at $320-$330/year for small hospitals, with volume/enterprise pricing for Epic, MEDITECH, and larger health systems. A complimentary developer sandbox (Java, .NET, Python, PHP, Node.js, Ruby SDKs) drives a freemium path into production. Distribution is overwhelmingly channel-led: EMR Direct's services are embedded in over 150 ONC-certified Health IT products (including Epic and MEDITECH), and its HISP reaches a national network of approximately 3.1 million Direct endpoints. Primary customer segments are (a) healthcare providers (hospitals, clinics, individual practitioners), (b) EHR/health-IT developers needing ONC certification relied-upon software, and (c) downstream business associates and patients exchanging PHI under HIPAA. DirectTrust/EHNAC accreditations for HISP, CA, RA, and Privacy & Security — most recently renewed February 2026 — anchor the regulatory moat.
Key strategic posture: the company is small (1-10 employees), founder-controlled under CEO Julie Maas and CTO Luis Maas, MD/PhD, with no disclosed external funding and no M&A activity. It sustains growth through standards-committee participation (DirectTrust, HL7 FHIR Foundation, UDAP.org, Direct Project) and versioned product releases (Interoperability Engine 2017 → 2021 → 2023 → 2026) timed to ONC regulatory milestones. Reported 2X year-over-year growth in transactions per organization (2025) signals deepening usage of an installed base rather than aggressive new-logo acquisition.
EMR Direct firmographics
Firmographics- Name
- EMR Direct
- Legal name
- California Mediterranean, LLC
- Website
- https://emrdirect.com
- Company type
- Private
- Founded year
- 2013
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- EMR Direct (California Mediterranean, LLC) provides Direct Messaging HISP, HL7 FHIR APIs, and X.509 digital certificate services via its Interoperability Engine platform, serving thousands of healthcare providers, EHR/health-IT developers, and patients across a network of 3.1 million endpoints.
- Ownership category
- akta.pro rank
EMR Direct industry classification
Industry- Product category
- Healthcare Interoperability Software
- NAICS
- Computer Systems Design and Related Services (54151), Custom Computer Programming Services (541511), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Integrated Systems Design (7373)
- akta.pro primary industry
- Interoperability Standards, Profiles & Implementation (HL7/FHIR/IHE) (HLACABAA)
- akta.pro secondary industries
- EHR/EMR Integration & Interoperability Middleware (HL7/FHIR) (HLALAKAD), Enterprise Integration Engines & Interface Management (HL7 v2/X12/API) (HLACABAC), EHR Extensions, APIs, App Marketplaces & SMART-on-FHIR Apps (HLACAAAN)
Keywords
Where EMR Direct is headquartered
LocationHeadquarters
- HQ city
- San Diego
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
EMR Direct business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- phiMail Web Subscription: Annual subscription pricing for standalone web-based Direct Messaging service, including Direct address, certificate, and directory listing. Priced per provider with volume discounts available.
- Integrated HISP Services: Annual fees for integrated Direct Messaging service accessed via XDR, SMTP, or API integration into EHR systems such as Epic and MEDITECH. Pricing based on organization size (hospitals vs. ambulatory settings).
- Certificate Services: Digital certificate issuance and renewal through phiCert CA. Certificates included with subscription services or available separately for qualified healthcare organizations and individuals.
- Developer Program: Complimentary sandbox access and developer tools with no fees until production onboarding. Revenue generated when developers enable capabilities in production.
- Setup Fees: One-time setup fees for new organizational accounts, particularly for standalone web-based service.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Standalone phiMail Web - Provider |
| Subscription | Annual | Small Hospital Integrated Service |
| Subscription | Annual | Sole Practitioner/Ambulatory |
| Subscription | Annual | Integrated Service - Small Hospital |
| Freemium | Pay-as-you-go | Developer Sandbox (Complimentary) |
| Subscription | Annual | Volume/Enterprise Pricing |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
EMR Direct product offering
Product offeringCore offering
EMR Direct operates the Interoperability Engine, a software suite that delivers Direct Messaging HISP services (phiMail), HL7 FHIR APIs (phiQuery), and X.509 digital certificate services (phiCert) for secure health information exchange. The platform enables hospitals, clinics, EHR vendors, and developers to transmit protected health information using ONC-certified Direct Project and FHIR R4 standards. Services are offered via standalone web access, embedded OEM integration into 150+ certified Health IT products, and API/SDK-based developer access.
Differentiator
Problem solved
Functional benefit
Brands
- phiMail: Direct messaging platform enabling secure exchange of protected health information over the Internet. Includes phiMail Web standalone service and phiMail Integrated for EHR integration.
- phiCert
- phiQuery
- HealthToGo
- Interoperability Engine
- phiMail Plus
Products and services
- phiMail Direct Messaging (HISP) HIPAA-compliant Direct Messaging platform that enables healthcare organizations to securely exchange protected health information over the Internet using the Direct Project protocol, including support for Context and Event Notifications via Direct Standard.
- phiQuery HL7 FHIR API HL7 FHIR services and OAuth APIs that enable healthcare data holders to expose FHIR resources to authorized users and client applications, supporting USCDI v3, SMART v2, and ONC criteria g.7, g.9, and g.10.
- phiCert Digital Certificates DirectTrust-accredited Certification Authority and Registration Authority issuing X.509 digital certificates for Direct messaging, FHIR transactions, mutual TLS, and cryptographic signatures, with LoA-3 and IAL2 identity verification options.
- phiMail Web Standalone browser-based Direct Messaging service requiring no EHR integration, including a 1-click XDM Zip Viewer for XDM-compliant messages. Priced at $159/year per provider plus a $300 one-time setup fee.
- HealthToGo FHIR client application and App Studio developer platform providing APIs for authorized users to access health data from healthcare providers or other compatible data sources, including App Gallery and developer resources.
- Interoperability Engine ONC-certified core software platform powering EMR Direct's phiMail HISP and phiQuery FHIR API services, supporting Direct Messaging, HL7 FHIR, IHE query, OAuth APIs, and ONC certification testing for Promoting Interoperability and MACRA/MIPS programs.
Quantifiable outcome
- Over 25% of all ONC certified Health IT products use EMR Direct's Direct Messaging capability
- +2 more outcomes
Companies that use EMR Direct
Customer profileNamed customers3 records
Segments4 records
Ideal customer profiles4 records
EMR Direct technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration3 records
Feature6 records
EMR Direct partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core, strategic and regional.
- EpiccoreEMR Direct provides Direct Messaging HISP services integrated into Epic EHR systems. Epic systems use a common standard to connect to EMR Direct's HISP services, enabling Direct addresses that plug directly into Epic instances.
- MEDITECHcoreEMR Direct has provided Direct Messaging service to MEDITECH sites since 2014. MEDITECH systems connect to EMR Direct's HISP services using standard XDR connections built into MEDITECH.
- OpenEMRcoreEMR Direct announced integration of phiMail Direct messaging platform with OpenEMR 4.1.2, enabling users of the open source electronic health record to send and receive Direct messages through their EHR system.
- Over 150 CEHRT Vendors (Certified Health IT Partners)coreOver 150 certified Health IT products have integrated EMR Direct's services. Partner logos displayed include Epic, MEDITECH, Cerner, Harris CareTracker, and many other healthcare IT vendors across the ecosystem.
- DirectTrustcoreEMR Direct is an active member of DirectTrust, a non-profit entity developing policies and accreditation programs for the Direct community. EMR Direct executives serve on DirectTrust leadership and policy development committees.
- HL7 FHIR (Health Level Seven International)coreEMR Direct is an HL7 FHIR Foundation Founder and has been working with FHIR since 2015. Contributed to HEART profiles, UDAP specifications, and White Paper on Direct and FHIR.
- Direct Project (ONC)coreEMR Direct is an active participant in the Direct Project, an initiative of the Office of the National Coordinator for Health Information Technology. EMR Direct leadership contributed to standards and protocols defining Direct messaging technologies.
- UDAP.org (Unified Data Access Profiles)strategicEMR Direct contributes technology and subject matter expertise to UDAP specifications for efficiently scaling FHIR adoption and data access.
- Tennessee Health eShareregionalEMR Direct participated in Tennessee Health eShare program facilitating access to Direct messaging for healthcare providers in Tennessee. The program offered $500 incentives to healthcare professionals using DirectTrust Network HISPs.
Scale indicators7 records
Recent moves6 records
Expansion highlights6 records
EMR Direct competitors and assessment
Company assessmentMarket position
Competitive moat5 records
Key highlights6 records
Customer concentration
EMR Direct social profiles
Digital presenceEMR Direct financial estimates
Financial estimateRevenue estimate
Valuation estimate
EMR Direct leadership team
Management profileNumber of profiles
Profiles2 records
EMR Direct funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
EMR Direct M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about EMR Direct
What does EMR Direct do?
EMR Direct operates the Interoperability Engine, a software suite that delivers Direct Messaging HISP services (phiMail), HL7 FHIR APIs (phiQuery), and X.509 digital certificate services (phiCert) for secure health information exchange. The platform enables hospitals, clinics, EHR vendors, and developers to transmit protected health information using ONC-certified Direct Project and FHIR R4 standards. Services are offered via standalone web access, embedded OEM integration into 150+ certified Health IT products, and API/SDK-based developer access.
Is EMR Direct a public or private company?
EMR Direct is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was EMR Direct founded?
EMR Direct was founded in 2013. It employs 1 to 10 people.
Where is EMR Direct based?
EMR Direct is headquartered in San Diego, United States, in the North America region.
How does EMR Direct make money?
Five revenue lines are on record. phiMail Web Subscription is the primary driver. The others are integrated HISP Services, certificate Services, developer Program and setup Fees.
Does EMR Direct have an API?
Yes. EMR Direct offers phiMail Direct Messaging API and phiQuery HL7 FHIR API for integration into healthcare software. The APIs enable Direct secure messaging, FHIR resource access, OAuth authentication, and application access certification criteria (g.7, g.9, g.10). SDKs available include connector libraries for Java, .NET, Python, PHP, Node.js, Ruby, and other environments. Developer sandbox environments, test Direct addresses, and sandbox FHIR endpoints are provided at no cost. Developer documentation is at appstudio.interopengine.com.
What industry is EMR Direct in?
EMR Direct's product category is Healthcare Interoperability Software. Its primary akta.pro industry code is HLACABAA, Interoperability Standards, Profiles & Implementation (HL7/FHIR/IHE), with a secondary code of HLALAKAD, EHR/EMR Integration & Interoperability Middleware (HL7/FHIR). Its NAICS code is 54151 and its SIC code is 7370.