License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Leon Hwang is Excellent. Dr. Hwang has been reviewed by 10 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Leon Hwang, MD is board certified in Medical Oncology.

  • He has special expertise in 1 area:
  • Cancer

Education & Awards

Dr. Hwang graduated from The University of Texas Southwestern, Dallas. He has 7 awards.

Consumer Research Council America's Top Physicians
America's Top Physicians Consumer Research Council
Patients' Choice Award (2012, 2014)
Compassionate Doctor Recognition (2014)
Top 10 Doctor - Metro Area (2014)
Washington Metro Area
Medical Oncologist
Top 10 Doctor - State (2014)
Medical Oncologist
On-Time Doctor Award (2014)


Dr. Hwang has 6 hospital affiliations:

  • Holy Cross Hospital 
  • Inova Fairfax Hospital 


  • Chinese
  • Mandarin

> > > > Dr. Leon Hwang, MD

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Additional Information
Dr. Leon C Hwang MD is a male Oncologist , has 20 years of experience and practices in Medical Oncology.
Where does Dr. Leon C. Hwang practice?
Dr. Leon Hwang has 2 office locations.
Dr. Leon Hwang practices Medical Oncology near Rockville, MD.
Additional practice locations include: Gaithersburg, MD.
See Rockville Oncologists.