Dr. Dhanan Umadevan

Internal MedicineJohor

5.022 reviews18 years of experienceAccepts appointments

About

As a Consultant Interventional Cardiologist, Dr. Dhanan Umadevan focuses his practice on interventional cardiology, working to improve outcomes for patients who have suffered heart attacks and to meet the growing burden of coronary artery diseases in Malaysia, a trend he notes is increasingly affecting younger people. Those under his care often speak warmly of the clarity of his advice and how smoothly procedures such as angiograms and stent insertions are carried out, with many reporting meaningful relief from chest pain and broader gains in their health. His specialised skill set allows him to make a real difference for people living with cardiovascular conditions.

Consultation hours

Weekly availability — confirm exact times when you enquire.

October 2026

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Specialty

Internal Medicine

Sub-specialties

Interventional CardiologyCardiology

Languages

IndonesianMalayEnglishTamil

Procedures & Expertise

Procedure	Focus	Est. cost
Cardiology Consultation	Key focus	RM 350
Doctor Consultation		RM 250
Cardiac Assessment		RM 1,000
Diagnostic Tests		RM 125
Coronary Artery Disease (CAD) Treatment
Cardiac MRI
Diabetes Consultation		RM 158
Coronary Angioplasty		RM 30,030

Estimates only. The final cost depends on your condition, the hospital and your doctor, and is confirmed by the hospital before treatment.

Qualifications

✓

MD (Universiti Sains Malaysia - USM)

✓

MRCP (Royal College of Physicians, United Kingdom)

✓

Interventional Cardiology (Institut Jantung Negara - IJN, Malaysia)

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CBCCT (Certification Board of Cardiovascular Computed Tomography, USA)

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OHD NIOSH (Occupational Health Doctor, National Institute of Occupational Safety and Health, Malaysia)

What patients say

Patients regularly commend Dr. Dhanan Umadevan for the clarity of his communication and the depth of his explanations, which help them make sense of their own health situations. His professionalism and experienced approach come up often in their feedback, along with the speed of his advice and the action he takes to pinpoint medical problems. Many patients also express gratitude for the precise diagnosis and the proper treatment they received while under his care.

Patient reviews

Ramalu krishnan

Thank you very much Dr. Dhana Umadevan 🙏🙏🙏 …

Jul 2026

Pretty Girl

First time we came here consult Dr Dhanan , really helpful the customer care staff (Indian lady) name not sure 😃 thank you so much for help Service really good 👍 …

Apr 2026

Kamsiah Esman

Thank you, Dr. Dhanan. Thank you to all the staff involved, especially the nursing staff in CCU B.

Feb 2026

THEVAGI RAVINTHRAN

Dr.Dhanan Umadevan, My husband was admitted in the hospital and it’s a clean and well organised environment with efficient patient arrangements to individual specialist. Dr. demonstrates professionalism and clear communication with the patients. Overall services are satisfied.

Jan 2026

lily lim

Dr Rajesh，Dr Victor and Dr Dhanan They treat patients with enthusiasm and patience

Nov 2025

Eugene Oon

Came for a follow-up appointment with Dr. Dhanan.

Nov 2025

Frequently asked questions about Dr. Dhanan Umadevan

Dr. Dhanan Umadevan is a Internal Medicine specialist practising in Johor, Malaysia.

Dr. Dhanan Umadevan specialises in Internal Medicine, with particular focus on Interventional Cardiology, Cardiology.

Dr. Dhanan Umadevan practises at Columbia Asia Hospital Iskandar Puteri.

Dr. Dhanan Umadevan speaks Indonesian, Malay, English, Tamil.

Dr. Dhanan Umadevan holds MD (Universiti Sains Malaysia - USM), MRCP (Royal College of Physicians, United Kingdom), Interventional Cardiology (Institut Jantung Negara - IJN, Malaysia), CBCCT (Certification Board of Cardiovascular Computed Tomography, USA), OHD NIOSH (Occupational Health Doctor, National Institute of Occupational Safety and Health, Malaysia).

Yes. Dr. Dhanan Umadevan sees international patients, and MedBay coordinates the appointment, interpreters and any paperwork so your visit is straightforward.

Yes. Send us your existing reports and scans, and we can arrange a consultation with Dr. Dhanan Umadevan for a second opinion before you decide on treatment.

Tell MedBay about your condition and our team arranges the appointment with Dr. Dhanan Umadevan directly. The concierge is free, and you always pay the hospital's own rate.