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Group Practice Booking
Multi-provider, multi-location practices with mixed specialty needs.
Healthcare / Doctor Appointment App Development
Doctor Appointment App Development
Booking apps that don't write to the EHR calendar double-book slots and push work back to the front desk. Agnotic Technologies builds doctor appointment apps that book into the EHR schedule, check insurance eligibility before the visit, collect intake online and send reminders before each visit.
FHIR Slot
Open times read from the EHR schedule
270/271
Eligibility checked before the visit
Real-Time
Eligibility, slot, and chart sync
Trusted by global innovators
Industry Overview
What is a doctor appointment app?
A doctor appointment app lets patients find a provider, see open times and book, change or cancel a visit from their phone or browser, with the booking written straight into the practice's EHR schedule. Agnotic builds doctor appointment apps for practices, health systems and digital health startups, connected to eligibility checks, intake and reminders.
Industry Challenges
Why do booking apps fail in real practices?
Problems practices and product teams raise when they scope a doctor appointment app.
Calendar Drift: Apps that mirror availability instead of writing into the EHR end up double-booking or leaving slots stale.
Eligibility Surprises: Patients book in, then discover at check-in that the practice doesn't take their plan, everyone loses.
Intake Rework: Paper intake forms get keyed in by front-desk staff, introducing errors and slowing every visit.
No-Show Pain: Missed appointments leave empty slots when reminders, co-pay capture and waitlists are missing.
Our Approach
How does Agnotic build a doctor appointment app?
We treat the EHR schedule as the source of truth, not a copy.
EHR-Native Scheduling
Live write-backs into Epic, Oracle Health (Cerner), athenahealth, eClinicalWorks and NextGen, not a shadow calendar.
Real-Time Eligibility
270/271 eligibility checks with Availity, Change Healthcare, and Waystar before booking is confirmed.
Digital Intake
Dynamic intake forms keyed directly to the EHR's discrete fields, including photo-ID and insurance-card capture.
Capabilities
What we build
Capabilities we build into doctor appointment apps.
Real-Time Slot Booking
EHR-synced availability across providers, locations, and visit types.
Provider Directory & Search
Specialty, insurance, language, location, and availability-aware provider search.
Insurance Eligibility
Live 270/271 checks before booking confirmation, with cost-estimate pre-disclosure.
Digital Intake Forms
Dynamic, EHR-discrete intake with photo-ID, insurance-card, and ROI capture.
Reminders & Co-Pay Capture
SMS, email, push reminders and pre-visit co-pay capture via Stripe / Elavon.
Waitlist & Auto-Fill
Smart waitlist dynamics that fill cancellations automatically, recovering lost revenue.
Group Practice Tools
Multi-provider, multi-location, multi-specialty scheduling with resource constraints.
Telehealth Slot Types
Hybrid scheduling for in-person, virtual, and follow-up visit types with rules.
Patient Profiles & Family
Household / dependent profiles, guardian scheduling, and proxy access controls.
How It Works
How does a booking reach the EHR?
From slot search to eligibility, intake, reminders and the EHR schedule.
EHR Calendar Sync
Bidirectional scheduling APIs with Epic, Oracle Health (Cerner), athenahealth, eClinicalWorks and NextGen.
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Eligibility & Estimate Layer
Real-time 270/271 and cost-estimate integrations with Availity, Change, and Waystar.
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Intake & Document Capture
Dynamic forms, photo-ID OCR, and insurance-card parsing into discrete EHR fields.
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Notification & Payments
Reminders, waitlist dynamics, and Stripe / Elavon co-pay capture.
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Patient & Staff Apps
React Native patient app and Next.js front-desk workspace sharing one API.
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Engineering Stack
Technology stack
A pragmatic stack chosen for reliability, speed, and ease of operation.
Standards
FHIR R4 SchedulingSMART on FHIRHL7 v2 SIU270/271 X12USCDI v3
EHRs
EpicOracle Health (Cerner)athenahealtheClinicalWorksNextGenAllscripts
Eligibility
AvailityChange HealthcareWaystarpVerify
Apps
React NativeNext.jsTailwind
Backend
Node.jsPythonGraphQLPostgreSQLRedis
Infra
AWS HIPAAAzure HIPAAKubernetesVaultStripe / Elavon
Measured Impact
What should the app measure?
Measures we build reporting around, agreed with you before launch.
No-show rate
Booked visits the patient missed
Booking time
Time from search to a confirmed slot
Fill rate
Cancelled slots refilled from the waitlist
Eligibility
Visits checked before the patient arrives
My Lauren Maternal Health Platform | Built by Agnotic
A HIPAA-ready maternal health platform enabling remote patient monitoring, care coordination, and personalized engagement from pre-pregnancy through postpartum.
Case Study
LERA Health: Women's Health App Platform
A women’s health product experience focused on guided care journeys, education, and compliance-aware workflows to support long-term engagement.
Case Study
Use Cases
Which practices do we build for?
Common booking setups we design doctor appointment apps around.
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Health System Digital Front Door
Branded booking across hospitals, ambulatory networks, and urgent care.
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Urgent Care & Walk-In Clinics
Same-day booking with queue-aware estimated wait times and walk-in hold slots.
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Specialty Clinics
Cardiology, dermatology, and ortho clinics with resource-constrained slot logic.
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Telehealth-First Clinics
Hybrid booking with video-visit slot types and cross-state licensing rules.
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Dental & Optometry
Practice-management-integrated booking for dental and optometry networks.
Integrations
Which systems does it connect to?
We connect to the systems your teams already know.
EHR
EpicOracle Health (Cerner)athenahealtheClinicalWorksNextGen
Eligibility
AvailityChange Healthcare
Payments
Stripe
Comms
Twilio
Compliance-First Development Services Backed by Global Standards
We build secure, scalable products designed for privacy, interoperability, and regulatory readiness from day one across every sector we serve.
Health Insurance Portability and Accountability Act
Protect PHI with privacy-first architecture, encrypted storage and transmission, and strict access controls.
Fast Healthcare Interoperability Resources
Enabling standardized health data exchange through standards-based API mappings.
Health Level Seven International
Supporting enterprise-grade interoperability for clinical messaging and record workflows.
Our Edge
Why Global Leaders Choose Us
We combine deep technical expertise with industry-specific knowledge to deliver solutions that aren't just functional, but transformational.
Enterprise-Grade Security
We implement rigorous security protocols and compliance standards (HIPAA, GDPR, SOC2) across all industrial solutions to protect sensitive data.
High-Performance Scaling
Our architectures are built to handle massive data loads and user bases, keeping performance steady whether you're serving ten or ten million.
Accelerated Time-to-Market
Using our suite of internal tools and proven frameworks, we cut setup work so your first release reaches users sooner.
Embedded AI Integration
Beyond simple wrappers, we build deep-learning integrations and predictive analytics directly into the core of your industry-specific workflows.
Engagement Model
How does an engagement work?
A scoping call, a fixed-scope first release, then scale and support.
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Scoping call
We map your EHRs, locations, visit types, booking rules and payer mix.
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Fixed-scope first release
One visit type at one location, booked into the EHR schedule with reminders, working end to end.
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Eligibility, intake and payments
Eligibility checks, digital intake and co-pay capture added before more locations go live.
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Scale and support
More locations, EHRs and visit types, with our team supporting the app.
Facts and sources
Which standards shape appointment booking?
Short facts we design around, each linked to its primary source.
In HL7 FHIR R4, a Schedule resource is a container for time slots that can be booked using an appointment, and it carries no information about the actual appointments.
Source: HL7 FHIR R4, ScheduleAn HL7 FHIR R4 Slot resource provides a block of time that can be booked using an appointment, marked as free or busy, and a scheduling system may allow more than one appointment in a single slot.
Source: HL7 FHIR R4, SlotAn HL7 FHIR R4 Appointment resource describes a single planned meeting, in person or remote, so a series of repeating visits needs one Appointment resource for each visit.
Source: HL7 FHIR R4, AppointmentHIPAA adopts ASC X12 standards for electronic transactions, including health care claims (837), payment and remittance advice (835), eligibility inquiries (270/271) and prior authorization requests (278).
Source: 45 CFR Part 162 (eCFR)The HIPAA Security Rule requires administrative, physical and technical safeguards for electronic protected health information.
Source: 45 CFR Part 164 Subpart C (eCFR)
Voice of success
We don't just build products; we forge lasting partnerships. See how we've helped industry leaders transform their vision into technical reality.
“I can clearly see how Agnotic has a unique way of handling end-to-end development. They are always active on quick chat and provide support quickly.”
Aaron Phelan
Founder, Benchmark
“Agnotic combines deep technical expertise with strong domain knowledge. They understand the business context, anticipate challenges, and make collaboration smooth and effective.”
John Pasmore
Founder, Latimer
“Agnotic is the best technical team we evaluated. Their engineering excellence made our work dramatically easier and allowed us to stay focused on what matters most for maternal care outcomes. They took full ownership of the technical execution, and we are always happy to continue working together.”
Kim Smith
Founder, My Lauren
Related services
Where to go next
Detailed pages for the healthcare services that sit next to this app.
Healthcare software development
All the healthcare products and integrations we build.
Telemedicine platform development
Video visit slot types that this booking flow can schedule.
Remote patient monitoring software development
Follow-up between visits for patients on monitoring programs.
EHR software development
Custom scheduling and records when an off-the-shelf EHR does not fit.
More in Healthcare
More Healthcare Solutions
Explore other production-grade engineering platforms we deliver across healthcare.
Cross-Industry Reach
The Same Engineering Patterns, Across Other Industries
The technical patterns behind this platform translate naturally into adjacent verticals.
Frequently Asked Questions
Yes. We implement bidirectional scheduling via FHIR R4 Scheduling, SMART on FHIR, and HL7 v2 SIU interfaces, so the EHR is the source of truth, not a shadow calendar.
Yes. We integrate with Availity, Change Healthcare, Waystar, and pVerify for 270/271 eligibility plus cost-estimate pre-disclosure before booking is confirmed.
Yes. Stripe and Elavon integrations handle pre-visit co-pay capture, with card data kept with the payment processor to reduce PCI DSS scope, and reconciliation into the EHR's billing ledger.
Yes. Visit types, resource constraints, telehealth rules (including cross-state licensing), and provider preferences are all first-class in the scheduling engine.
It depends on how many EHRs and locations you book into, what scheduling access each EHR offers, the visit types and rules you need, and whether eligibility, intake and payments are in scope. We agree the first release on the scoping call and plan the rest from there.
Yes. A first release covers one workflow: patients booking one visit type at one location, written into your EHR schedule with reminders. Eligibility checks, intake, payments and more locations follow.
The EHR's patient portal is often enough for existing patients of one practice. A custom app makes sense when you book across several EHRs or locations, want new-patient booking under your own brand, or need intake and payment flows the portal lacks. Agnotic builds that app for you.
AI tools help our engineers draft code and tests, but a person reviews every change, and it passes the same automated tests and security checks as any other code. Which tools may see your code or data is agreed with you at the start.
Industries