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

Dr. Leslie Moore Dionne, MD

Individual provider Internal Medicine Physician · NPI 1942211644

Dr. Leslie Moore Dionne, MD is an Internal Medicine in Nashua, New Hampshire. Graduated from George Washington University School of Medicine in 1990, 36 years ago. Practices with Core Physicians LLC, a 292-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
36
Trained at
George Washington University School of Medicine
Licensed in
NH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2300 Southwood Dr
Nashua, NH 03063-1818
Phone: (603) 577-4200
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 9413 (NH)

Record details

NPI number1942211644
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2006
Last updated in NPPESNovember 21, 2013

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Core Physicians Llc — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Nashua