Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Leon Christopher Hwang, MD

Individual provider Hematology & Oncology Physician · NPI 1972659266

Dr. Leon Christopher Hwang, MD is a Hematology & Oncology Physician in Rockville, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1396 Piccard Dr
Rockville, MD 20850-4302
Phone: (301) 548-5768
Fax: (301) 548-5705
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence D45880 (MD)

Record details

NPI number1972659266
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 26, 2007
Last updated in NPPESJanuary 19, 2022
Certification dateJanuary 19, 2022

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