OnCallData
OnCallData is a cloud-based electronic prescribing platform operated by InstantDx, LLC, serving U.S. physicians and pharmacies with Surescripts-certified e-prescribing, EPCS, PDMP, ePA, and EMR integration via a $600/provider/year subscription model.
- Company typePrivate
- Founded2002
- HeadquartersGaithersburg, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What OnCallData does
OnCallData is the trade name under which InstantDx, LLC, a privately held Gaithersburg, Maryland-based LLC founded in 2002, operates a cloud-based electronic prescribing platform targeting physicians, nurse practitioners, and other prescribers in the United States. The platform is positioned as the first two-way electronic prescribing service between physicians and pharmacies and connects to over 55,000 pharmacies through Surescripts certification, enabling electronic transmission of new prescriptions, refills, and pharmacy-initiated change requests. Core product modules include electronic prescribing of controlled substances (EPCS, DEA-certified via Surescripts and audited by ComplySmart/Drummond Group), electronic prior authorization (ePA), real-time formulary and benefits verification, prescription drug monitoring program (PDMP) access through Bamboo Health covering 39 states, medication reconciliation with up to one year of patient history, EMR integration APIs with single sign-on, electronic change requests, a patient portal, clinical lab connectivity (including LabCorp), and HIPAA-compliant secure messaging. The underlying technology is a web-based application accessible from any internet-connected device, with 256-bit SSL encryption, and is protected by US Patent No. 11,074,998 covering real-time delivery of medical test data to portable communications devices.
OnCallData operates a horizontal go-to-market serving independent prescribers, small and mid-sized practices, and retail pharmacies, with a hybrid self-serve and sales-assisted motion: providers can sign up online and begin transmitting prescriptions within an hour, while the company also offers personalized online demos and phone-based sales support. Distribution is direct via the company website (www.oncalldata.com), with no third-party resellers or channel partners identified, and customer service is delivered by phone (800-576-0526) and email ([email protected]) during extended EST business hours.
The business model is a straightforward B2B SaaS structure with the primary revenue stream being an annual subscription of $600 per provider with unlimited prescription transmission, supplemented by one-time EMR/practice management integration fees ($200 for initial patient demographic import, $500 for continuous updates) and individually negotiated custom integrations. EPCS functionality requires separate third-party identity-proofing and security certificates purchased from IdenTrust (USB tokens or HID Approve mobile authentication). No revenue figures, customer counts, headcount, or funding history are disclosed, and the company appears to be founder-owned with no institutional investment or parent company. OnCallData has no mobile app, no public API, no AI/ML capabilities, and no disclosed geographic footprint outside the United States.
OnCallData firmographics
Firmographics- Name
- OnCallData
- Legal name
- InstantDx, LLC.
- Website
- https://oncalldata.com
- Company type
- Private
- Founded year
- 2002
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- OnCallData is a cloud-based electronic prescribing platform operated by InstantDx, LLC, serving U.S. physicians and pharmacies with Surescripts-certified e-prescribing, EPCS, PDMP, ePA, and EMR integration via a $600/provider/year subscription model.
- Ownership category
- akta.pro rank
OnCallData industry classification
Industry- Product category
- Electronic Prescribing Software
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (51821)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- PBM Technology Platforms (ePA/eRx/Real-Time Benefit Tools) (HLAEAKAL)
- akta.pro secondary industries
- Controlled-Substance & High-Risk Medication Teleprescribing Platforms (compliance-focused) (HLALAIAM), Medication Adherence & Therapy Management Platforms (refills, reminders, MTM) (HLALAIAG)
Keywords
Where OnCallData is headquartered
LocationHeadquarters
- HQ city
- Gaithersburg
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
OnCallData business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Annual Subscription - Provider License: Annual service fee of $600 per provider with unlimited prescription transmission. Primary recurring revenue stream for the platform.
- EMR Integration Services: One-time fees for EMR/practice management system integration: $200 for initial patient demographic data import, $500 for continuous updates. Custom integrations are individually negotiated.
- EPCS Security Certificates: Third-party identity-proofing and security certificates required for EPCS functionality. Providers must obtain certificates from a third-party vendor (IdenTrust) for USB tokens or mobile authentication.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Standard Provider Subscription - $600/provider/year |
| One time/ perpetual license | Pay-as-you-go | Patient Demographic Import - $200 one-time |
| One time/ perpetual license | Pay-as-you-go | Continuous EMR Integration - $500 one-time |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels3 records
OnCallData product offering
Product offeringCore offering
OnCallData is a cloud-based electronic prescribing platform that enables physicians to write and transmit prescriptions and refills electronically to any of over 72,000 pharmacies in seconds. The platform integrates drug utilization review, eligibility and formulary checks, medication history retrieval, electronic prescribing of controlled substances (EPCS), electronic prior authorization, and Prescription Drug Monitoring Program (PDMP) access into a unified prescribing workflow. It is operated by InstantDx, LLC and certified by Surescripts, with EPCS audited under DEA 21 CFR Part 1311.
Product overview
OnCallData is a cloud-based electronic prescribing platform built and operated by InstantDx, LLC. The core OnCallData Electronic Prescribing Platform serves as the central product, with multiple integrated modules offered as add-on capabilities: Electronic Prescribing, Medication Reconciliation Portal, Electronic Prescribing of Controlled Substances (EPCS), Real-time Formulary and Benefits Check, Electronic Prior Authorization (ePA), Prescription Drug Monitoring Program (PDMP) via Bamboo Health integration, EMR Integration APIs, Electronic Change, Patient Portal, Clinical Lab Connectivity, and Secure Messaging. The platform operates as a unified prescribing workflow connecting physicians, pharmacies, payers, PDMPs, labs, and EMRs through the Surescripts network. Pricing is primarily subscription-based at $600 per provider annually, with additional per-integration fees.
Differentiator
Problem solved
Functional benefit
Products and services
- OnCallData Electronic Prescribing Platform Cloud-based electronic prescribing platform that enables physicians, nurse practitioners, and other prescribers to write and transmit new prescriptions and refills electronically to any pharmacy in seconds. Includes drug utilization review, eligibility and formulary checks, medication history retrieval, electronic prior authorization, PDMP access via Bamboo Health, and EPCS for controlled substances. Designed for U.S. physician practices and healthcare providers.
- EMR and Practice Management Integration Services Standalone integration services that connect OnCallData with existing EMR and practice management systems, providing single sign-on, patient context preservation, automatic reconciliation updates, and continuous patient demographic synchronization. Sold as one-time $200 patient demographic import or $500 continuous update integration, with custom integrations individually negotiated. Intended for U.S. healthcare practices seeking bidirectional EMR interoperability.
Quantifiable outcome
- Save 2-6 hours per day per practice
- +4 more outcomes
Companies that use OnCallData
Customer profileSegments2 records
Ideal customer profiles2 records
OnCallData technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
AI capability2 records
Feature8 records
OnCallData partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core, historical, regional and supporting.
- SurescriptscoreSurescripts is the electronic gateway providing certification and network connectivity for OnCallData's e-prescribing services. OnCallData v5.0 has completed Surescripts certification testing for prescription routing messaging and directories. Surescripts connects OnCallData to over 55,000 pharmacies nationwide.
- Bamboo HealthcoreBamboo Health provides the PMP Gateway integration enabling OnCallData to access 39 state Prescription Drug Monitoring Programs in real-time. Through this integration, providers can fulfill state PDMP requirements within their existing prescribing workflow.
- NDCHealthhistoricalNDCHealth partnership enabled OnCallData to become the first e-prescribing solution to connect Giant pharmacies to physicians. This was a pioneering integration in the e-prescribing ecosystem.
- Rhode Island Quality InstituteregionalOnCallData was the first prescribing solution in a statewide Rhode Island initiative with Surescripts and Rhode Island Quality Institute, representing an early deployment of comprehensive e-prescribing capabilities.
- ComplySmart, LLC (now Drummond Group, LLC)coreThird-party certifying organization whose certification processes have been approved by DEA for EPCS certification. Conducted audit of OnCallData v5.0 for compliance with DEA 21 CFR Part 1311 requirements.
- IdenTrustsupportingThird-party vendor providing identity-proofing and security certificates for EPCS functionality. Providers can order USB tokens or mobile authentication certificates through IdenTrust's Internet Guardian program for OnCallData.
Scale indicators5 records
Recent moves2 records
Expansion highlights4 records
OnCallData competitors and assessment
Company assessmentBroad incumbents
- Oracle Health (Cerner): Oracle Health bundles e-prescribing, EPCS, PDMP, and ePA within its Millennium EHR platform deployed across large hospital systems—a broad incumbent competing for the same prescriber workflow but as part of a much larger enterprise suite.
- Epic Systems: Epic's Willow pharmacy module and integrated prescribing workflows are the de facto standard at large academic medical centers, representing the dominant broad incumbent against which any standalone e-prescribing platform must compete or integrate.
- Veradigm (formerly Allscripts): Veradigm's TouchWorks and Professional EHR suites bundle e-prescribing, EPCS, and formulary tools as part of a much broader clinical and practice management portfolio, making it a broad incumbent competitor to standalone e-prescribing tools.
- athenahealth: athenahealth's athenaOne platform bundles e-prescribing, EPCS, and PDMP access within its cloud-based EHR—a broad incumbent serving ambulatory practices and competing against standalone prescribing platforms.
- eClinicalWorks: eClinicalWorks bundles e-prescribing and EPCS into its EHR/PM platform serving ambulatory practices—a broad incumbent serving the same mid-market provider segment that OnCallData targets with its standalone platform.
- Surescripts: Surescripts operates the nationwide e-prescribing network that OnCallData depends on for pharmacy connectivity. While primarily a network operator, Surescripts also influences competitive dynamics through certification requirements and adjacent tools.
Direct peers
- DoseSpot: DoseSpot provides electronic prescribing, EPCS, and controlled substance prescribing integrated into EMR and practice management workflows—a direct competitive comparable in the e-prescribing platform category.
- NewCrop (RxNT): RxNT/NewCrop offers electronic prescribing, EPCS, patient portal, and Surescripts-certified eRx to practices and EHR vendors—overlapping directly with OnCallData's core prescribing, EPCS, and EMR integration capabilities.
- DrFirst: DrFirst is one of the most established independent e-prescribing and medication management platforms, offering EPCS, ePA, medication reconciliation, and Surescripts connectivity—directly comparable to OnCallData across the prescribing workflow.
Others
- Bamboo Health: Bamboo Health operates the PMP Gateway that OnCallData integrates with for PDMP access across 39 states—an enabling infrastructure partner rather than direct competitor, but its expanding product roadmap may overlap with prescribing workflows over time.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
OnCallData social profiles
Digital presenceOnCallData compliance and trust
Trust signalCompliance3 records
OnCallData financial estimates
Financial estimateRevenue estimate
Valuation estimate
OnCallData leadership team
Management profileNumber of profiles
OnCallData funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
OnCallData 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 OnCallData
What does OnCallData do?
OnCallData is a cloud-based electronic prescribing platform that enables physicians to write and transmit prescriptions and refills electronically to any of over 72,000 pharmacies in seconds. The platform integrates drug utilization review, eligibility and formulary checks, medication history retrieval, electronic prescribing of controlled substances (EPCS), electronic prior authorization, and Prescription Drug Monitoring Program (PDMP) access into a unified prescribing workflow. It is operated by InstantDx, LLC and certified by Surescripts, with EPCS audited under DEA 21 CFR Part 1311.
Is OnCallData a public or private company?
OnCallData is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was OnCallData founded?
OnCallData was founded in 2002. It employs 11 to 50 people.
Where is OnCallData based?
OnCallData is headquartered in Gaithersburg, United States, in the North America region.
How does OnCallData make money?
Three revenue lines are on record. Annual Subscription - Provider License is the primary driver. The others are EMR Integration Services and EPCS Security Certificates.
Who are OnCallData's main competitors?
Broad incumbents on record are Oracle Health (Cerner), Epic Systems, Veradigm (formerly Allscripts), athenahealth, eClinicalWorks and Surescripts. Direct peers are DoseSpot, NewCrop (RxNT) and DrFirst. Bamboo Health is listed as an others.
Does OnCallData have an API?
No public API is recorded for OnCallData.
What industry is OnCallData in?
OnCallData's product category is Electronic Prescribing Software. Its primary akta.pro industry code is HLAEAKAL, PBM Technology Platforms (ePA/eRx/Real-Time Benefit Tools), with a secondary code of HLALAIAM, Controlled-Substance & High-Risk Medication Teleprescribing Platforms (compliance-focused). Its NAICS code is 51821 and its SIC code is 7372.