Charles L. Yen, MD

Charles L. Yen, MD Medical Oncology & Hematology, Internal Medicine


See Dr. Yen's profile on Healthgrades.



Dr. Yen has been with Millennium Physicians since 2001. He is certified in Internal Medicine, Medical Oncology and Hematology. Before entering medical school, Dr. Yen earned a B.S. with honors in Electrical Engineering from UT and worked at Baylor College of Medicine’s Department of Orthopedics writing software programs. Dr. Yen earned his medical degree from UTMB at Galveston. He pursued his fellowship in Hematology and Oncology at University of Texas Southwestern Medical School in Dallas.

He is an expert in myelodysplastic syndrome. Other major interests are the treatment of hereditary coagulopathy, non-malignant blood disorders, lymphomas, multiple myeloma, gastro-intestinal and lung cancer.

Dr. Yen is known for always “being there” for his patients and their families. He and his wife, Maureen, have three children, and his family is the center of his universe.

Professional Education

Medical: The University of Texas Medical Branch in Galveston, TX, 1992
Residency: Baylor College of Medicine, 1995
Fellowship: University of Texas Southwestern Medical School, 1998

Clinical Interests

Gastro-Intestinal and Lung Cancer
Hereditary Coagulopathy
Multiple Myeloma
Myelodysplastic Syndrome
Non-Malignant Blood Disorders

Honors & Awards
Professional Memberships
  • Texas Medical Association (TMA)
  • Harris County Medical Society (HCMS)
  • American Society of Clinical Oncology (ASCO)
Hospital Affiliations

CHI St. Luke’s The Woodlands Hospital
CHI St. Luke’s Vintage Hospital
Conroe Regional Medical Center
Cypress Fairbanks Medical Center
Houston Methodist Willowbrook Hospital
Houston Methodist Woodlands Hospital
Houston Northwest Medical Center
Kingwood Medical Center
Memorial Hermann The Woodlands Hospital
Nexus Specialty Hospital The Woodlands
North Cypress Medical Center
Northwest Surgery Center