About Our Surgeons

Dr Melissa Teo
Senior Consultant
MBBS, MMED (Surgery) FRCSED, FAMS, MPH
Adjunct Professor Duke-NUS Medical School
Visiting Consultant National Cancer Centre Singapore
Professor Melissa Teo is an accredited Surgical Oncologist., with a clinical focus on the management of complex and advanced oncological cases. Her practice involves the surgical management of gastrointestinal cancer, sarcomas, melanoma, and peritoneal diseases. She holds formal specialist accreditations and is frequently consulted on a clinical basis for various solid tumor subspecialties.
Clinical Expertise & Specialization
Professor Teo offers expert surgical management for a wide range of complex conditions, including:
Peritoneal Surface
Malignancies
She served as the President of the Asian Peritoneal Surface Malignancy Group. Her clinical practice includes the performance of >700 Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy (CRS and HIPEC) for peritoneal surface malignancies.”
Gastrointestinal &
Colorectal Cancers:
Minimally invasive and open surgical care for stomach and colorectal malignancies, within established oncological frameworks for surgical clearance.
Sarcomas:
Specialist management of advanced cases requiring strutured pre-operative planning and multi-visceral surgery, (resection of multiple affected intra-abdominal organs).
Melanomas and
skin cancers:
Surgical management focused on oncological margins and reconstruction, alongside the clinical performance of sentinel lymph node biopsies and lymph node dissections.
Background & Distinguished Leadership
Before establishing private practice at Melissa Teo Surgery, Professor Teo served in various institutional leadership roles and academic appointments in the public healthcare sector:
Care Philosophy

I firmly believe that effective cancer treatment must be holistic. True healing requires everything from early, precise detection to exceptional surgical standards and coordinated multidisciplinary care. Above all, it requires a lifelong commitment to supporting my patients and their families through every step of their recovery.
— Prof. Melissa Teo

Dr. Grace Tan
Senior Consultant
MBBS(London), MMED (Surgery), FRCS (Edinburgh)
Visiting Consultant National Cancer Centre Singapore
Dr. Grace Tan is a senior general surgeon and surgical oncologist. Prior to entering private practice, she served as a Consultant in the Division of Surgery and Surgical Oncology at the National Cancer Centre Singapore (NCCS). Her clinical practice focuses on the management of gastrointestinal, peritoneal, and pelvic malignancies, as well as sarcomas and skin cancers.
Clinical Expertise & Specialization
Dr. Tan’s clinical practice focuses on the management of complex abdominal and pelvic conditions, with a focus on:
Peritoneal Surface
Malignancies
Trained in performing advanced Cytoreductive Surgery (CRS) and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) for complex peritoneal diseases.
Sarcomas:
Specialist in sarcoma management, often requiring complex multi-visceral surgery to remove multiple affected abdominal organs.
Advanced
Pelvic Oncology:
Specialized in surgical treatments for complex and advanced pelvic cancers.
Gastrointestinal &
Skin Cancers:
Comprehensive care for stomach, colorectal, sarcoma, and melanoma cases.
Background & Distinguished Leadership
Before entering private practice, Dr Grace Tan established a formidable legacy of leadership and academic excellence in Singapore’s public healthcare sector:
Dr. Tan’s unwavering commitment to clinical excellence and patient safety has earned her multiple prestigious medical accolades, including:

Singapore Health Quality
Service Gold Award (2019)

International Journal of Hyperthermia Editor’s Award (2017)

RISE Outstanding
Faculty Award (2014)
Care Philosophy

My clinical approach is focused on providing evidence-based, multidisciplinary care for patients with a cancer diagnosis. I try and combine structured surgical management pathways with established patient support protocols tailored to each individual and their families.
— Dr. Grace Tan
Our Clinics
Melissa Teo Surgery

The Surgical Oncology Clinic
Operating hours
Mon – Fri:
8.30am – 5.30pm
Saturday:
8.30am – 12.30pm
Sunday & PH:
Closed







