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Health Appointment System (HAS) is an initiative by OGP and HPB to increase vaccination and cancer screening rates by making it easy to book appointments at nearby CHAS GP clinics.

Since 2022

Active
Product screenshot

Product Overview

Team Members

5

1PM

⅔Engineer

⅔Design

1Ops

ashleysaliba-avatarenyi-avataroliver-avatartiffany-avatarsuhaila-avatar

Cost Per Quarter

$440,260
Show breakdown

Usage

15,899

Key vaccination doses delivered this quarter

+32%
105K

Appointments completed this quarter

+48%
957/1482

Total number of CHAS GP clinics islandwide

+10%

Cost Effectiveness

$27.69

Cost per key vaccine delivered

-42%

Satisfaction

80

Net promoter score (-100 to 100) for public users

+2%
48

Net promoter score (-100 to 100) for clinic users

0%

Key Highlights

Q1 2025 Jan-Mar

  • Piloted clinic-initiated vaccination bookings with two major chains, aiming to boost uptake through trusted GPs.
  • Translate SMS invites for pneumococcal to make them clearer and more senior-friendly.
  • Onboarded more clinics to expand booking options on HAS.

Q4 2024 Oct-Dec

  • Automated SMS campaigns sent to seniors inviting them to take the Pneumococcal vaccine and to young women inviting them to take the HPV vaccine.
  • Extended the Vaccine Advisor feature to patients on vaccine.gov.sg to allow them to view their recommended/subsidised vaccines by logging in with Singpass.
  • Launched the Appointments Redirect integration with Google that makes online booking for clinics more accessible by putting a link to their HAS Business Profile directly on their Google Maps listing.
  • Piloted clinic-driven appointments with two clinic chains for Pneumococcal and Flu vaccinations for seniors.

Q3 2024 Jul-Sep

  • Launched vaccine.gov.sg website, to help MOPs find relevant vaccine recommendations, see subsidies clearly, and book appointments at nearby clinics.
  • Introduced the ‘Business Profile’ feature, enabling clinics to share their Profile for easier booking via Google Profiles or their own marketing channels.
  • Enhanced the Vaccine Advisor feature, now rolled out to over 250 GP clinics for improved user experience.
  • Launched ‘add-on vaccine advice’ via SMS, providing vaccine recommendations to users who have booked appointments on HAS.
  • SMS campaign to women aged 25-26, reminding them to receive the HPV vaccination before the subsidy expires.
  • Released the Export CSV function on the Admin Portal, enabling GP clinics to download appointment data for analysis and audit purposes.

Q2 2024 Apr-Jun

  • Introduced a ‘Vaccine Advisor’ feature that provides GP doctors with recommendations on vaccines services based on patient’s medical records
  • Added a ‘Appointment Notes’ feature to allow clinics to record internal medical notes for patients
  • Upgraded the ‘Closed Dates’ feature to allow GP clinics more granular control of their appointment schedule (e.g. close the clinic for part of a day, temporarily close a schedule, temporarily stop offering a medical service)

Q1 2024 Jan-Mar

  • Made all 12 vaccines under the National Childhood Immunisation Schedule (NCIS) available for booking
  • Became a key player in the health screening space by launching bookings for:
    • The national ‘Screen for Life’ programme
    • Ultrasound, X-ray, Lab Tests, Bone Mineral Densitometry, and Spirometry at all NHG Polyclinics
  • Introduced the Multiple Schedules feature for clinics to create custom booking schedules for each service

Q4 2023 Oct-Dec

  • Launched Lasting Power of Attorney (First Collaboration with MSF)
  • Launched Automated SMS Campaigns for Flu Vaccine
  • Rolled out End-to-End Translation for Malay, Chinese, and Tamil
  • Revamped the General Directory page
  • Integrated with National Immunisation Registry to check for Medical Eligibility

Q3 2023 Jul-Sep

  • Launched all Covid-19 vaccines (Merger with National Appointment System)
  • Launched all vaccines in the National Adult Immunisation Schedule
  • Launched MediPay (new product!)
  • Optimised the Search Bar Performance on Public Portal
  • Customisation for Appointment Duration
  • Tracked Reasons for Rescheduling and Cancellation

Q2 2023 Apr-Jun

  • Launched Healthier SG Consultation
    • Integrate with HSG CRM
    • Zero tech solution
  • Launched ‘General Consultation’ feature
    • 430 participating clinics
    • Appointment and remote queuing
  • Launched ‘Mammogram Screening’ appointments
    • Available at NHG polyclinics
  • Introduced Mobile Responsiveness for Clinic Portal
  • Completed VAPT and addressed all ‘Critical’, ‘High’ and ‘Medium’ vulnerabilities

Q1 2023 Jan-Mar

  • Launched Queue (new product!)
  • Launched HPV2 vaccines
  • Integrated with HealthHub for Healthier SG launch
    • Productionising API endpoints
    • Load testing and performance optimisation
  • Tech Debt Refactoring
    • Created new ‘test’ environment
    • Added API and E2E testing
    • Improved error logging
    • Preparation for incident response
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