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

Dr. Hon-Sum Ko, MD

Individual provider Internal Medicine Physician · NPI 1588930424

Dr. Hon-Sum Ko, MD is an Internal Medicine Physician in Potomac, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2012
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

11702 Enid Dr
Potomac, MD 20854-3451
Phone: (301) 299-7291
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D46716 (MD)

Record details

NPI number1588930424
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 26, 2012
Last updated in NPPESMarch 26, 2012
Mailing address11702 Enid Dr, Potomac, MD 20854-3451

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