Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Christopher J Ko, MD

Individual provider Internal Medicine Physician · NPI 1255364105

Christopher J Ko, MD practises Internal Medicine in Vienna, Virginia. Graduated from Northwestern University Feinberg Medical School in 2003, 23 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Maryland, New Jersey and Virginia.

Years since qualifying
23
Trained at
Northwestern University Feinberg Medical School
Licensed in
MD, NJ, VA
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8133 Leesburg Pike Ste 510
Vienna, VA 22182-2751
Phone: (703) 291-0021
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0101256632 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 25MA08039300 (NJ)
Internal Medicine Physician Taxonomy 207R00000X · Licence D0071763 (MD)
Family Medicine Physician Taxonomy 207Q00000X · Licence 0101256632 (VA)

Record details

NPI number1255364105
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESSeptember 8, 2023
Certification dateSeptember 8, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2003 (23 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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