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​For prompt evaluation and management of your patients by our TTSH specialists, the Direct Access GP Programme offers direct access privileges to our specialist outpatient clinics and services.

To make a patient referral, you may call us at:

GP Appointment Hotline (Non-Subsidised Referral) 
Tel: 6357 8000 
8.00am – 9.00pm (Mondays to Fridays)
8.00am – 3.00pm (Saturdays and Eve of Christmas, New Year and Chinese New Year)

Tel: 9666 6698 (24-hours)
Fax: 6357 7011/7001*

​Direct Specialist Outpatient Clinic (SOC) and Allied Health Access

The Direct SOC Access offers GPs and family physicians a fast and convenient way to make outpatient appointments for the following programmes and services:

  • Specialist Appointments
  • Dietetics and Nutrition
  • Occupational Therapy
  • Physiotherapy
  • Podiatry
  • Smoking Cessation Service
  • Speech Therapy
  • Weight Management Programme

Direct Access Endoscopy Service

Through the Direct Access Endoscopy Service, GPs and family physicians can conveniently schedule a colonoscopy or gastroscopy for their own patients at TTSH without a specialist consultation.

The endoscopy report will be sent to the GP or family physician within 5 working days for review with the patient.

To make an appointment, please contact us at:

Tan Tock Seng Hospital (Main) Endoscopy Appointment Hotline
Tel: 6357 3766 / 6357 3767
Fax: 6357 3765 (Fax the Direct Access Endoscopy Request Form)

Operation Hours: 
Mondays to Fridays: 8.30am – 6.30pm
Saturdays: 8.30am – 12.30pm
Sundays and Public Holidays: Closed

NHG 1-Health Endoscopy Appointment Hotline
Tel: 6554 6870
Fax: 6556 1479 (Fax the Direct Access Endoscopy Request Form (DOC, 91KB) 

Operation Hours:
Mondays to Fridays: 8.30am – 5.30pm
Weekends and Public Holidays: Closed

GPs registered under Community Health Assist Scheme (CHAS) can refer CHAS patients to Tan Tock Seng Hospital's Specialist Outpatient Clinics (SOCs) for subsidised treatment.

The following applies for subsidised referrals:

  1. Referral must be unnamed (e.g. GPs cannot make referral to specific specialists).
  2. Referrals can be made for conditions not covered under CHAS.
  3. CHAS accredited GPs cannot make direct referrals to specialised investigations (e.g. laboratory/radiology) or Allied Health.

To make a patient referral, you may call us at:

Centralised Appointment Hotline (Subsidised Referral)
Tel: 6357 7000 
8:00am – 6:00pm (Mondays to Fridays), 
8:00am - 12.30pm (Saturdays and Eve of Christmas, New Year and Chinese New Year)

Fax: 6357 7011

Patients must remember to bring along the following for their SOC appointment to enjoy the subsidised charges:

Documents to Prepare for SOC Appointment:

  1. NRIC
  2. Health Assist Card / PA Card / existing CHAS card
  3. CHAS Subsidised Referral Cover Note provided by the GPs

Visit CHAS page for more information.

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