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

Dr. David Insoo An, MD

Individual provider Internal Medicine Physician · NPI 1972922862

Dr. David Insoo An, MD is an Internal Medicine in Mc Lean, Virginia. Graduated from Georgetown University School of Medicine in 2014, 12 years ago. Practices with Kaiser Foundation Health Plan of the Mid Atlantic States, Inc, a 1,934-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
12
Trained at
Georgetown University School of Medicine
Licensed in
VA
In the registry since
2014
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

8008 Westpark Dr
Mc Lean, VA 22102-3109
Phone: (703) 287-6400
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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 0101261829 (VA)

Record details

NPI number1972922862
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 8, 2014
Last updated in NPPESJune 20, 2021
Certification dateJune 20, 2021
Mailing address8008 Westpark Dr, McLean, VA 22102

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc — 1934 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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