← Selected work

Self-service that still knows when to ask for help

Woodlands Hospital wanted patients to handle routine admin themselves. The work was less about a kiosk screen than about where a machine belongs in a hospital visit, and where a person still does.

Industry
Healthcare
Client
Woodlands Hospital
Role
Senior UX Designer
Team
1–4
Date
2021
Platform
Kiosk
Scope
Service Design · Field Research · Interaction Design · Accessibility
The self-service station landing screen: a teal panel on the left headed What would you like to do, and four options on the right for registering for an appointment, booking an appointment, paying a bill and other services, with help, text size and language controls along the bottom

Moving routine admin off the counter

Woodlands Hospital serves the north and northwest of Singapore and is part of NHG Health. It was inaugurated in 2024, but planning for its systems started years earlier, and Synapxe was engaged to design the experience for its self-service stations.

The stations were meant to handle the tasks that fill a hospital queue and do not need a person: booking an appointment, registering for one you already have, printing a queue number, and paying a bill after a consultation.

  1. 01

    Improve patient experience

    Let people finish routine tasks on their own, with less standing about.

  2. 02

    Reduce transaction time

    Make the common tasks quicker to complete than queueing for them.

  3. 03

    Reduce counter queues

    Move the transactions that suit a machine away from staffed counters.

  4. 04

    Improve operational efficiency

    Free staff from repetitive admin so they can spend time where a person is genuinely needed.

  5. 05

    Flatten the learning curve

    Build something legible to patients who are not comfortable with technology.

A hospital kiosk is not a McDonald's kiosk

This was the framing that changed how I approached the whole project.

A fast food kiosk has one job: help someone complete a purchase. If it goes wrong, the customer orders again, or gives up and joins the queue, and nothing much is lost.

A hospital station sits inside something far more consequential. It handles patient identity, medical appointments, money, personal records. Its users may be unwell, anxious, elderly, in a wheelchair, or helping someone else through a visit they did not plan for. It depends on hardware that can fail and on backend systems it does not control.

What it handles
Retail kioskAn order and a payment.
Hospital stationIdentity, appointments, records and money.
Who is using it
Retail kioskA customer, usually in a hurry.
Hospital stationA patient, a caregiver, someone unwell or anxious.
Cost of an error
Retail kioskThe wrong meal.
Hospital stationThe wrong patient, the wrong bill, a missed appointment.
If it fails
Retail kioskOrder again, or queue.
Hospital stationFind a member of staff, in a building you may not know.
What good looks like
Retail kioskSpeed and convenience.
Hospital stationConfidence, clarity, accessibility, then speed.

Speed still matters. It just stopped being the thing to optimise first.

Watching the stations that already exist

Singapore hospitals already ran self-service stations. Before designing anything, we went and watched them being used.

Field research photographs: two existing hospital self-service stations, one white with a cash slot and card reader and one orange branded Self-Service Kiosk with a receipt collection slot, alongside four printed queue chits from SingHealth Polyclinics showing queue numbers, levels, room numbers and estimated time slots
01 · Existing stations at Jurong Health and SGH, and the queue chits they print.

We looked at NRIC scanning, touchscreen responsiveness, how queue chits printed and what was on them, how far a person had to reach, whether a wheelchair user could use the screen at all, how people worked out where to go next, and when a member of staff had to step in.

What patients actually did

The pattern was consistent across sites. People are not loyal to the kiosk or to the counter. They pick whichever one looks faster.

Patients use the station whenPatients avoid it when
QueueThe counter is crowdedThe counter is free
TaskThey just need to register or get a queue numberThey need something explained
ConfidenceThey have done it beforeThey are uncomfortable with technology
The machineIt responds immediatelyIt is slow, or a queue has formed at it

The problems we watched fell into three groups, and only one of them was a software problem.

Where it brokeWhat we saw
HardwareNRIC scans failing, queue chits not printing, unresponsive touchscreens
InteractionUnclear navigation, and no sense of what the next step was
AccessibilityWheelchair users needing help to reach the screen, elderly users needing help to read it, and very little for visually impaired users

The assumption the research broke

We expected elderly patients to struggle. Many of them did not.

A large share of them were frequent visitors, coming back for follow-up appointments month after month, and they had learned the existing stations by repetition. Several moved through them faster than younger patients did.

Age did not predict digital confidence. Familiarity did.

Some elderly and physically challenged patients did need help, but when we looked at why, it was rarely the interface on its own. It was reaching the screen, reading the screen, standing long enough, handling the hardware, or not knowing what came next.

What the staff told us

We interviewed staff working alongside existing stations, including at NUP and SGH. Four things came out of it.

  1. 01

    The stations do reduce queues

    Staff confirmed that self-service shortens the counter queue and the wait behind it.

  2. 02

    Queue information is mostly understood

    What gets printed on a queue chit is generally clear, though some patients still ask.

  3. 03

    Assistance is not going away

    Younger and confident users manage alone. Elderly and physically challenged patients are more likely to need someone.

  4. 04

    Wayfinding becomes part of the job

    Patients ask staff where the clinic or counter on their chit actually is. The kiosk journey does not end when the transaction does.

Self-service is not self-reliance

That last insight reframed the brief. The goal was never to remove people from the process.

The station should let independent users move faster, and make help easy to reach for everyone else.

Which is why there is a Need Help button on every screen of the final design, in the same place, including the confirmation screens.

Two journeys through the building

A kiosk screen is not the unit to design here. The unit is a patient crossing a lobby with something to sort out.

Booking an appointment

  1. Arrive
  2. Find the station
  3. Identify
  4. Choose clinic
  5. Choose day
  6. Choose time
  7. Review
  8. Confirm
  9. Leave with the details

The emotional shape of it runs uncertain, then curious, then focused, then reassured, then confident. The confirmation is where it either lands or falls apart, because the patient has to walk away holding four answers: when is it, who am I seeing, where do I go, and what do I do when I get there.

Paying a bill

  1. Finish consultation
  2. Find the station
  3. Identify
  4. Retrieve bill
  5. Review bill
  6. Choose payment
  7. Pay
  8. Confirmation

This one runs uncertain, concerned, focused, anxious, relieved, reassured. Paying in a hospital asks more of a patient’s trust than paying in a shop. They need to be sure that this is the right bill, that it belongs to the right person, that the amount is what it should be, and that the payment actually went through.

The problem, stated plainly

Patients rely on hospital staff for routine administrative tasks such as booking appointments and paying bills. That builds queues, adds to staff workload, and puts friction into a visit that is rarely anyone’s idea of a good day.

A self-service station can move those tasks from the service desk to the patient. But unlike a retail kiosk, the people using it may be anxious, elderly, unfamiliar with how hospitals work, or have accessibility needs, and the information they are handling is personal enough that mistakes matter.

How might we make self-service feel like a seamless part of the patient’s hospital journey?

Six principles

  1. 01

    Confidence over speed

    Remove steps that add nothing. Keep the ones that let someone check what they are about to do.

  2. 02

    Prevent errors before they happen

    Healthcare transactions need stronger validation and clearer confirmation than retail ones.

  3. 03

    Design for accessibility from the start

    Elderly patients, wheelchair users, visually impaired users, caregivers, and every level of digital confidence in between.

  4. 04

    Make the next step obvious

    The screen should always answer what happens now, including after the transaction is over.

  5. 05

    Self-service with human support

    A clear route to a member of staff on every screen, not buried behind a menu.

  6. 06

    Design for the physical thing

    The interface has to work with the hardware it is bolted to: the screen height, the scanner, the printer, the payment terminal.

From flows to experience

The first information architecture had everything in it.

The original Self Service Station information architecture diagram: a Dashboard box for scanning NRIC leading to an Options box with language selection, audio output, same day appointment, future appointment and payment, which branch out to questionnaire, confirmation, future appointment, set reminder, payments and bill options boxes, with a legend for main pages, sub pages and super sub pages
02 · The first architecture. Complete, and far too many decisions before anything useful happened.

Read it as a patient rather than as a diagram. Before you get near your appointment you have chosen a language, chosen an audio output, and worked out whether what you want is a same day appointment, a future appointment or a payment. Some of those are real choices. Most are the system asking you to classify yourself before it will help.

So the work became subtraction, without losing the moments that build trust.

  1. Understand
  2. Map
  3. Simplify
  4. Prototype
  5. Test
  6. Refine

Three changes did most of it. The landing screen leads with the single most common task instead of presenting four peers. Language, text size and help moved to a persistent bar, so they are always available and never a step. And identification moved to the point where it is actually needed, rather than acting as a gate on the front door.

Three journeys, one station

Three tasks, one machine, and a set of decisions that repeat across all of them. What follows is the finished design with the reasoning attached, rather than a gallery of it.

Registering for an appointment you already have

Two kiosk screens side by side: Scan your NRIC, FIN, Birth Cert or Temp ID with an illustration of a card being placed in the scanner slot and a Use Virtual Keyboard Instead fallback; and A few questions before you register with three yes or no health declaration, falls and assistance questions
03 · Identification with a manual fallback, then three questions that change how the visit is handled.

The scan screen shows the card going into the slot, because the hardest part of a kiosk is often the physical bit, not the software. When the scanner fails, and it does, the virtual keyboard is offered on the same screen rather than after an error.

The three questions are not paperwork. A recent fall or a request for a wheelchair changes how the hospital receives that patient, so they are asked before the queue number is issued rather than discovered at the clinic.

A kiosk screen headed You have 2 appointments today, listing an 8:45 AM X-ray at Clinic A and an 11:00 AM Cardiology review at Clinic B both ticked and open for registration, and a 4:30 PM pharmacy collection greyed out with a note that it opens for registration at 3:30 PM, above a Register 2 Appointments button
04 · Two appointments, registered together, with the third shown but not yet available.

Patients frequently have more than one appointment in a day. The old model made that two separate transactions. Here both are registered at once, and the pharmacy collection that is not open yet is still listed, greyed, with the time it opens. Showing an unavailable thing and saying why beats hiding it and letting someone wonder.

A kiosk confirmation screen showing queue number B-047 in very large type, three patients ahead and an estimated wait of one and a half hours, beside a Registered tick, directions to Clinic B Level 3 Waiting Zone B via Lift Lobby 2 with a three minute walk, and an explanation that the number will appear on the screens in Zone B
05 · The number, the wait, the walk, and what to watch for when you get there.

This screen is the answer to the staff insight about wayfinding. The queue number is the largest thing on it, but the rest of the screen is the part patients were asking staff about: where the zone is, how long the walk takes, and how they will know when it is their turn.

Booking a new appointment

A kiosk screen headed What would you like to see a doctor about, with options listed as Heart with Cardiology and follow-up due, Eyes with Ophthalmology, Diabetes with Chronic Conditions, and Skin with Dermatology, above a link to show all 18 clinics
06 · Plain language first, the clinical name underneath, and the likely reason surfaced at the top.

Patients do not arrive thinking in specialties. They arrive thinking about a part of their body. So the list leads with Heart and puts Cardiology underneath it, and because this patient has a cardiology follow-up due, that option is at the top and says so. Eighteen clinics exist. Four are shown.

Two kiosk screens side by side: Pick a day, listing September dates with the number of slots left on each and one date marked not available, plus a link to show later dates; and Select a time slot, showing morning and afternoon times as large buttons with two struck through as unavailable
07 · Only days with slots, with the unavailable ones left visible rather than removed.

Both screens show what is not available as well as what is. A struck through 11:00 tells a patient the slot existed and has gone, which is different information from it never having been there.

Two kiosk screens side by side: Check before you confirm, with patient, doctor, date, time and location laid out as rows with Change links on the date and time, and a note that a reminder will be sent to a mobile number ending 4821; and Appointment confirmed on a green header with the date and time in large type, the clinic location, and three numbered steps for what to do on the day
08 · Nothing is committed until the left screen is read. Nothing is left unanswered after the right one.

The review screen says “Nothing is confirmed yet” out loud, and puts Change next to the two fields people get wrong. That sentence exists because confirmation screens in this setting are frequently read by someone who is not certain what they have just done.

The confirmed screen answers the four questions from the journey map: when, who, where, and what to do on the day. Send to my mobile is there because a printed slip gets lost between now and September.

Paying a bill

Two kiosk screens side by side: a bill summary showing the appointment, the amount due of forty seven dollars fifty after subsidy and MediSave, with a View breakdown link; and the itemised breakdown showing specialist consultation, ECG and medication charges totalling two hundred and sixteen dollars forty, less government subsidy and MediSave deduction, leaving the same amount due
09 · The amount first, the arithmetic behind it one touch away.

Both screens name the patient and the bill reference, because the first question at a payment kiosk is whether this is even your bill. The summary leads with what is owed today. The breakdown shows how a charge of S$216.40 becomes S$47.50 through subsidy and MediSave, in that order, so the number is arrived at rather than announced.

Only one outstanding bill exists here, and the screen says so. That single line removes the worry that something else is waiting.

A kiosk screen headed How would you like to pay, with card, contactless and PayNow QR options each carrying an icon and a line of instruction, and a cash option greyed out with a note that it is not available at this station and that counters 4 to 9 accept cash, beside a panel restating the payer and the amount
10 · The unavailable option stays on screen and says where to go instead.

Two decisions here. The amount and the payer stay visible while the method is chosen, so nobody is picking a payment method for a number they can no longer see. And cash, which this station does not take, is listed anyway, greyed, naming the counters that do. A patient carrying only cash learns that here rather than after three more taps.

Each method also says where the hardware is: the reader is on your right, below the screen. Software describing physical objects, because the physical object is the part that stalls people.

A kiosk screen on a green header reading Payment received, with the amount paid of forty seven dollars fifty in large type, a green next steps panel directing the patient to collect medication at the Pharmacy on Level 1 and noting the prescription has already been sent there, and a receipt panel listing patient, bill reference, card and receipt number
11 · Paid, and then immediately: here is where you go next.

The receipt details are on the right for anyone who wants them. The left is the part that matters more, which is that the visit is not over and the pharmacy is on Level 1, and the prescription is already waiting.

Designing for a thing bolted to the floor

A kiosk is not a large phone. Almost every decision above has a physical counterpart that a mobile app never has to think about.

What the hardware forced into the design

  • Screen size and viewing angle, which set the smallest type that is readable standing up
  • Screen height and physical reach, which decide whether a wheelchair user can use it unaided
  • Glare in a bright lobby, which rules out low contrast entirely
  • Touch accuracy for an unsteady hand, which sets the minimum size of anything tappable
  • The NRIC scanner, which fails often enough that the fallback belongs on the same screen
  • The card reader, QR scanner and printer, each of which the interface has to point at

What made it hard

  1. 01

    Hardware that did not exist yet

    No confirmed vendor or screen specification during the design phase, so no way to test the prototype in its real physical context.

  2. 02

    Ergonomics across very different bodies

    Screen height, viewing angle, reach and glare had to work for someone standing and someone seated, without two versions of the product.

  3. 03

    Simplicity against completeness

    The first flows had too many steps. Removing them without removing the confirmation moments that make a patient trust the transaction was the real work.

  4. 04

    One interface, every kind of user

    The same screen had to serve a confident twenty-five year old, a frequent elderly visitor, a caregiver acting for someone else, and a patient who will need staff regardless.

What this produced, and what it did not

I want to be straight about where this landed.

The design was reviewed, tested and approved by stakeholders, and then stopped before rollout on budget and procurement grounds. It did not ship.

So there are no adoption figures on this page, no queue reduction, no transaction times, and there will not be. What follows is what the design does, not what it achieved.

What the work delivered

  • A self-service experience organised around three patient tasks rather than a system menu
  • Appointment and payment journeys with the unnecessary decisions taken out
  • Queue and appointment information a patient can act on, including where to go and how long the walk is
  • Confirmation states strong enough for a transaction people are anxious about
  • Accessibility treated as a physical and service problem, not a contrast ratio
  • Failure paths designed in: scanner fallbacks, unavailable options that say why, help on every screen
  • An interface designed against the hardware it runs on rather than in front of it

What the project taught me

  1. 01

    Designing for hardware changes how you design software

    A kiosk is not a big mobile app. Screen position, reach, glare, scanners, card readers and printers all shape the interface, and none of them appear in a Figma file unless you put them there.

  2. 02

    Observation beats assumption

    We went in expecting elderly patients to struggle with self-service. Many of them were the most fluent users in the lobby, because they had been coming back every month for years.

  3. 03

    In healthcare, confidence comes before speed

    Patients need to know they picked the right appointment, the right patient, the right bill and the right amount. Every step removed had to be checked against that.

  4. 04

    The kiosk is one part of a service

    It only works if appointments, patient records, billing, payments, queue management, notifications, hardware and staff all hold up together. The screen is the visible tenth of it.

  5. 05

    Accessibility has to start early

    By the time it is a font size question it is already too late. It is a question about screen height, interaction model, hardware placement and whether a person is nearby.

The biggest lesson was that designing self-service in healthcare is not about removing people from the process. It is about giving patients more control over the routine parts while making sure help is still there when the situation calls for it.

The kiosk is not the product. The patient journey is the product.