Kai Sun, MD, MS

Hematology Oncology, Breast Medical Oncology, Medical Oncology

Houston Methodist Oncology Partners

Accepting New Patients
Accepting Video Visits

Kai Sun, MD, MS

Houston Methodist Oncology Partners

About Me

My goal as a breast oncologist is to deliver compassionate and the best possible treatment options to my patients. I thrive to provide the highest quality of care for women diagnosed with breast diseases and am dedicated to building strong and lasting relationships with my patients.

Dr. Kai Sun received her Bachelor of Science in Medicine and Master of Science in Medicine from Medical College of Qingdao University. She completed her Internal Medicine Residency at Houston Methodist Hospital. Dr. Sun then completed Hematology and Oncology Fellowship at Houston Methodist Hospital and served as the Chief Fellow.

She has a special interest in treating breast cancer.

Her other professional interests include participation in clinical trials and research in obesity associated breast cancer.

Clinical Interests

  • Benign breast diseases  
  • Breast cancer
  • Breast cancer research               
  • Immunotherapy       
  • Obesity associated breast cancer

Accepted Insurance Plans

Beech Street PPO
Blue Choice POS
Blue Choice PPO
Blue Cross Blue Shield EPO
Blue Cross Blue Shield FEP Federal Employee Plan
Blue Cross Blue Shield Medicare Advantage HMO
Blue Cross Blue Shield Medicare Advantage PPO
Blue Cross Blue Shield POS
Blue Cross Blue Shield PPO
Blue Edge
Blue Essentials
Blue Essentials Access
Cigna HealthSpring Medicare Advantage HMO
Cigna HealthSpring Medicare Advantage PPO
Coventry PPO
First Health PPO
HMO Blue
TRS-ActiveCare 2 Group 385002
TRS-ActiveCare Fully Insured Plan-South Texas Region Group 295430
TRS-ActiveCare Fully Insured Plan-West Texas Region Group 295781
TRS-ActiveCare HD Group 385000
TRS-ActiveCare Primary Group 385003
TRS-ActiveCare Primary Plus Group 385001
TRS-Care Standard ALT A I Group 485002
TRS-Care Standard ALT A II Group 485003
TRS-Care Standard ALT B I Group 485005
TRS-Care Standard ALT B II Group 485006
TRS-Care Standard CMED Group 485001
TRS-Care Standard Group 485000
TexanPlus/Wellcare Medicare Advantage
US Family Health Plan

Insurance plans may change. Please verify your plan is accepted when scheduling an appointment.


Hematology | Medical College of Qingdao University
Medical College of Qingdao University
Internal Medicine | Houston Methodist Hospital
Hematology/Oncology | Houston Methodist Hospital
  • Houston Methodist Hospital
  • Houston Methodist Dr. Mary and Ron Neal Cancer Center


  • English
  • Chinese - Mandarin
Languages listed are spoken by doctor and/or office staff.

Frequently Asked Questions

  • What insurance does Dr. Kai Sun accept?
    See the insurance that Dr. Kai Sun accepts here.
  • Where is Dr. Kai Sun located?
    Dr. Kai Sun sees patients at the following locations:
    • Outpatient Center, 6445 Main St., Ste 2400, Houston, TX 77030
  • What languages do Dr. Kai Sun and/or staff speak?
    Dr. Kai Sun and/or office staff speak English and Chinese - Mandarin