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

James Andrew Lesniewski, MD

Individual provider Surgery Physician · NPI 1336133941

James Andrew Lesniewski, MD is a General Surgery in Dulles, Virginia. Graduated from Perelman School of Med at the University of Pennsylvania in 1997, 29 years ago. Practices with Loudoun Medical Group, PC, a 274-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
29
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
VA
In the registry since
2005
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

24430 Stone Springs Blvd Ste 215
Dulles, VA 20166-2268
Phone: (703) 858-3200
Fax: (703) 858-3203
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 0101236783 (VA)

Record details

NPI number1336133941
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 9, 2005
Last updated in NPPESNovember 29, 2022
Certification dateNovember 29, 2022

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1997 (29 years in practice)
Group practice Loudoun Medical Group, Pc — 274 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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