Pristine Clinics Website Redesign and AI Assistant by Abhinav SiwalPristine Clinics Website Redesign and AI Assistant by Abhinav Siwal

Pristine Clinics Website Redesign and AI Assistant

Abhinav Siwal

Completed work

Fullstack Engineer

Next.js

Node.js

React

Healthcare

Pristine Clinics — Case Study

Project: Pristine (pristines.org) — multi-specialty clinic website, booking and AI-driven voice/chat assistant.

Owner / Client: Pristine Ob-Gyn

Role: Full-stack developer (Next.js frontend, Fastify backend, AI models for voice chat and appointment booking)

Timeline: 1 month

Executive summary

I redesigned and built pristines.org using Next.js for a fast, SEO-friendly frontend and Fastify for a lightweight, production-ready API. I implemented an AI-driven conversational assistant (voice + chat) and an AI-backed appointment booking flow that handles natural-language scheduling and callback requests. Together these features improved user engagement and reduced friction in making appointments.

Goals

Make information discovery and appointment booking frictionless for prospective patients.

Reduce no-shows and improve conversion from website visit → booked appointment.

Provide a friendly, empathetic conversational channel (voice & text) that reflects clinic tone.

Ensure HIPAA-conscious handling of patient-identifiable data (see Security & Compliance).

Key challenges

Many patients prefer phone booking or have difficulty navigating long forms.

Clinics needed an always-on, low-effort way to capture appointment intent outside business hours.

Integration with existing practice management and EHR scheduling.

The solution

Modern site rebuilt in Next.js — server-side rendering (SSR) for landing pages, static-generation for evergreen pages (services, locations, articles) and client-side navigation for fast UX.

Fastify API — served booking endpoints, email/SMS notifications, and webhooks to sync with the clinic’s practice management system.

AI conversational layer:

Voice: WebRTC + browser microphone capture; speech-to-text (local/third-party model), intent parsing, and voice responses via text-to-speech. Voice is designed for quick appointment requests and callback scheduling.

Chat: Inline chat widget available on desktop/mobile for users who prefer text. It supports follow-up questions, time suggestions, and availability checks.

Smart appointment booking flow — the AI assistant collects intent (reason, preferred location, preferred dates/times, insurance if required), validates minimal required fields, confirms, and writes a provisional booking to Fastify backend while creating a task for clinic staff to finalize.

Fallbacks & Escalation — when AI confidence is low, route to a human handoff: either SMS/callback request or live agent escalation during business hours.

Analytics & A/B testing hooks — instrumented event tracking for conversions, funnel steps, and voice engagement metrics.

Technical architecture (high level)

User Browser (Next.js)  <--->  Fastify API  <--->  EHR / Scheduling (via secure webhook) \
        |                              |                                  |
        |-- Chat widget (WS/HTTP) ---- |                                  |
        |-- Voice (WebRTC -> STT) ---> | -- AI Inference (NLP + Dialog) -- |

Frontend: Next.js (app router), React, Tailwind CSS, Vercel.

Backend: Fastify (Node.js), MongoDB for appointments & logs

AI / Voice: hosted model (cloud provider) for speech-to-text (STT), NLP intent classification, and TTS; small affordance models for slot-filling and confirmation.

Realtime: WebSockets for chat; WebRTC for voice capture and low-latency audio streaming.

Notifications: Twilio (SMS/Voice), AWS SES (email), and Firebase for push (in-app).

Monitoring: Sentry.

UX highlights & copy improvements

Clear hero with a single CTA: Schedule Now and phone number prominently displayed.

Quick ‘Schedule an Appointment’ small form accessible from header and persistent booking CTA.

Trust signals: testimonials, affiliations, and 12+ years callout.

Content hub (Articles) kept up-to-date to drive organic traffic and patient education.

Performance & SEO optimizations

Used SSR/SSG where appropriate to improve first contentful paint and crawlability.

Image optimization and lazy-loading for gallery pages.

Structured data (JSON-LD) for local business, medical service, and breadcrumb markup.

Accessible markup: semantic headings, ARIA attributes for interactive controls (chat widget), and keyboard navigation.

Security & Compliance

All PII transmitted to backend over HTTPS; sensitive PHI only stored when necessary and encrypted at rest.

Minimal data capture in the conversational layer — prefer callback tokens or anonymized intent where possible.

Logging policy: redact PHI from logs; rotate logs and use secure storage.

Recommend a HIPAA Business Associate Agreement (BAA) with any third-party vendor used for PHI (e.g., Twilio, AWS SES) and follow administrative safeguards.

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Completed work

Posted Nov 11, 2025

Redesigned Pristine Clinics' website with AI-driven booking and voice/chat assistant.

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Timeline

Sep 1, 2023 - Sep 30, 2023