Summary

Dr. Leon Hwang is a board-certified oncologist who specializes in comprehensive cancer care. He earned his medical degree from University of Texas Southwestern Medical School and completed his residency training at Johns Hopkins Health System. With 35 years of experience treating cancer patients, Dr. Hwang has developed extensive expertise in managing various types of cancer and their associated treatments. He speaks both English and Spanish, allowing him to communicate effectively with a diverse patient population.

Dr. Hwang is affiliated with Holy Cross Hospital and practices at multiple locations throughout the region, including Gaithersburg, Washington DC, McLean, and Silver Spring. His clinical focus includes treating breast cancer and cervical cancer, as well as managing treatment-related side effects like nausea and vomiting from cancer therapy. Dr. Hwang performs various cancer treatments including infusion therapy and intravenous chemotherapy to help patients fight their disease. Patients consistently rate their experience highly, giving him an average rating of 4.9 out of 5 on Vitals.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.9
  • 35 years of experience
  • speaks English, Spanish
  • Johns Hopkins Health System
  • 2 written reviews
  • 1 specialty
  • 8 areas of expertise
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Leon Christopher Hwang has 4 locations

Kaiser Permanente Gaithersburg Medical Center

655 Watkins Mill RdGaithersburg, MD 20879
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Kaiser Permanente Capitol Hill Medical Center

700 2nd St NEWashington, DC 20002
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Tysons Corner Medical Center

8008 Westpark DrMcLean, VA 22102
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Holy Cross Hospital

1500 Forest Glen RdSilver Spring, MD 20910

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Dr. Leon Christopher Hwang, MDDr. Paul Bannen, MDDr. Shruti Murali, MDDr. Stuart Selonick, MD
OncologyOncologyOncologyOncology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
3.8 
4.5 
35 Years of Experience 13 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks English, Spanish
Gaithersburg , MDOlney , MDRockville , MDAnnapolis , MD
Med School: University Of Texas Southwestern Medical School Med School: American University Of Antigua College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Leon Christopher Hwang

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Leon Christopher Hwang has the following specialty

Specialty Expertise

Dr. Leon Christopher Hwang has the following 8 areas of expertise

  • Blood Cancer
  • Bone Marrow Transplant
  • Cancer
  • Chemotherapy
  • Leukemia
  • Lymphoma
  • Myelofibrosis
  • Myeloma

Certifications, License, & Education

35 Years Experience

Dr. Leon Christopher Hwang holds expired and active medical licenses in the states of Virginia, Maryland, and District Of Columbia.

Medical License

Medical Doctor with an expired medical license in the state of Virginia that expired in 2026, an active medical license in the state of Maryland that expires in 2026, and an active medical license in the state of District Of Columbia that expires in 2027.

Education & Training

Residency

Completed their residency at Johns Hopkins Health System.

Medical School

Graduated from University Of Texas Southwestern Medical School in 1991.

NPI Number

Dr. Hwang's NPI number is 1972659266.

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Frequently Asked Questions

Where is Dr. Leon Hwang's office located?
Dr. Leon Hwang's office is located at 655 Watkins Mill Rd, Gaithersburg, MD, 20879.
What languages does Dr. Leon Hwang speak?
Dr. Leon Hwang speaks English and Spanish.
Which hospitals is Dr. Leon Hwang affiliated with?
Dr. Leon Hwang is affiliated with Holy Cross Hospital.
Does Dr. Leon Hwang accept my insurance?
You can see the insurance plans that Dr. Leon Hwang accepts on their Vitals profile.
Is Dr. Leon Hwang accepting new patients?
Dr. Leon Hwang is accepting new patients on Vitals. View Dr. Leon Hwang's profile on Vitals to make an appointment.

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