Klinik Ong

The Doctor

Dr. Ong Tien Kwan is a medical doctor who believes in a holistic approach to the management of his patients.

He knows that physical illnesses are often linked to psychological beliefs, expectations and fears. As such, to treat a patient, one must treat both body and mind.

He also emphasizes on the importance of living a healthy lifestyle - adequate and quality sleep and rest, a balanced nutrition, regular exercises and a well-hydrated body. He practices at a clinic in Bandar Sungai Long.

The Psychologist

Mdm. Thang Mee Yuen is a practicing clinical psychologist who also lectures undergraduate and post-graduate students.

She is experienced in helping children with terminal illnesses to manage their stress and challenges effectively. In addition, she also counsels their parents.

She has her own private practice, dealing primarily with employees of corporations with EAP programmes, as well as seeing her personal clients with personal and marital problems.


Our Services

  1. General consultations for common acute illnesses (flu, cough, fever, food poisoning, etc.) and chronic diseases (hypertension, diabetes, high cholesterol)

  2. Blood tests, Urine tests

  3. Immunisation

  4. Nebuliser for acute asthma

  5. Minor surgeries, such as for ingrown toenails, removal of sebaceous cysts

  6. Counselling and consultation with clinical psychologist for anxiety, depression, life crisis, lifestyle changes (BY APPOINTMENT ONLY)


Clinic Hours

Monday - Friday9:00am - 1:00pm
(1:00pm - 2:00pm : Closed for Lunch)
2:00pm - 6:00pm
Saturday9:00am - 12:30pm
Sunday, Public HolidayClosed


Contact Us


7 Jalan SL 1/3, Bandar Sungai Long, 43000 Kajang, Selangor.
Click here for map to clinic.


010-544 8818


Click here for Contact Form (Pop-up Window)


Make an appointment with us


Explore More

Dr. Ong's Blog
Mdm. Thang's Element Psychology
MInd-Body & Anti-Aging Medicine
A Doctor's Reflections on Life
Free Downloads - eBooks by Dr. Ong
Transformation Work
Dr. Ong's Youtube Channel


Recommended Reading

Achieving Optimum Health
Stress and Heart Attack Link Explained
Lifestyle and Dementia
Yoga and Meditation can change your Genes
Bad Sleep bad for Body

Instructional Videos

Fix Knee Pain Going Up & Down Stairs
Dr. Carol Foster Vertigo Exercise