Doctor profile · Federal record

Dr. Leslie Dionne, MD

Internal Medicine Physician (CMS: Internal Medicine) · Nashua, NH

  • NPI 1942211644
  • Accepts Medicare
  • MIPS 83.6 / 100 · 2023
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2300 Southwood Dr
Nashua, NH 030631818
(603) 577-4200

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 21, 2013
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Hampshire #9413
Medicaid
NH #30008399

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942211644. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
109
Distinct HCPCS
4
Medicare allowed
$10,999
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 49 46 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 35 35 $91
36415 Insertion of needle into vein for collection of blood sample 13 13 $7
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 12 12 $129

In context: peer comparison

Among 25 peers in this city , average services per provider: 105. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
29
Patients
0
Total drug cost
$394
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 18 0 $283
Furosemide Generic 11 0 $111

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leslie Dionne's medical specialty?
Dr. Leslie Dionne practices Internal Medicine Physician in Nashua, NH.
Where does Dr. Leslie Dionne practice?
Dr. Leslie Dionne practices at 2300 Southwood Dr, Nashua, NH 030631818. Office phone: 6035774200.
What is Dr. Leslie Dionne's NPI?
Dr. Leslie Dionne's National Provider Identifier (NPI) is 1942211644, issued by NPPES.
Does Dr. Leslie Dionne accept Medicare assignment?
Yes. Dr. Leslie Dionne accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leslie Dionne commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.