Doctor profile · Federal record

Dr. Leslie Stefanowicz, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Dartmouth, MA

  • NPI 1639159783
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Brandt Ave
Dartmouth, MA 027472405
(508) 994-0120
fax (508) 996-9636

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
May 28, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Massachusetts #233927
Medicaid
MA #0383350

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639159783. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
9,421
Distinct HCPCS
10
Medicare allowed
$253,262
HCPCS Description Services Patients Avg allowed
J2357 Injection, omalizumab, 5 mg 5,535 11 $38
95044 Test for allergy using skin patch 2,518 33 $4
95004 Test for allergy using allergenic extract 633 18 $4
99213 Established patient office or other outpatient visit, 20-29 minutes 242 172 $78
96372 Injection of drug or substance under skin or into muscle 217 17 $12
95165 Professional service for preparation and provision of 1 or more antigens 70 26 $13
94010 Test to measure expiratory airflow and volume 59 52 $24
95117 Professional service for multiple injections of allergen 43 24 $10
99212 Established patient office or other outpatient visit, 10-19 minutes 28 25 $37
99203 New patient office or other outpatient visit, 30-44 minutes 26 26 $97

In context: peer comparison

Among 11 peers in this city , average services per provider: 214. This provider delivers 44× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15,058
Transactions
193
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, Inc. 42 $8,829.05
GlaxoSmithKline, LLC. 27 $1,965.59
AstraZeneca Pharmaceuticals LP 30 $1,182.76
Blueprint Medicines Corporation 4 $788.02
GENZYME CORPORATION 9 $339.12
Pharming Healthcare, Inc. 7 $286.71
LEO Pharma Inc. 10 $261.74
Novartis Pharmaceuticals Corporation 14 $234.07
Genentech USA, Inc. 11 $225.06
Grifols USA, LLC 10 $194.09
PFIZER INC. 9 $142.37
Amgen Inc. 9 $135.07
CSL Behring 4 $103.62
ABBVIE INC. 4 $99.33
Greer Laboratories, Inc. 3 $70.29

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$7,905
Food and Beverage
$5,250
Travel and Lodging
$1,183
Honoraria
$720

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
955
Patients
279
Total drug cost
$507,123
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 149 48 $3,198
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 110 50 $3,969
Fluticasone Propionate Generic 86 33 $1,746
Spiriva Respimat (Tiotropium Bromide) Brand 77 14 $53,467
Breo Ellipta (Fluticasone/Vilanterol) Brand 68 12 $36,769
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 62 15 $55,508
Azelastine Hcl Generic 61 30 $2,614
Symbicort (Budesonide/Formoterol Fumarate) Brand 54 21 $27,687
Ventolin Hfa (Albuterol Sulfate) Brand 50 16 $3,564
Levocetirizine Dihydrochloride Generic 46 14 $1,488

Frequently asked questions

Auto-generated from federal data
What is Dr. Leslie Stefanowicz's medical specialty?
Dr. Leslie Stefanowicz practices Family Nurse Practitioner in Dartmouth, MA.
Where does Dr. Leslie Stefanowicz practice?
Dr. Leslie Stefanowicz practices at 75 Brandt Ave, Dartmouth, MA 027472405. Office phone: 5089940120.
What is Dr. Leslie Stefanowicz's NPI?
Dr. Leslie Stefanowicz's National Provider Identifier (NPI) is 1639159783, issued by NPPES.
Does Dr. Leslie Stefanowicz accept Medicare assignment?
Yes. Dr. Leslie Stefanowicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leslie Stefanowicz commonly perform?
Top Medicare-reported procedures in 2023: Injection, omalizumab, 5 mg (HCPCS J2357); Test for allergy using skin patch (HCPCS 95044); Test for allergy using allergenic extract (HCPCS 95004). Source: CMS Medicare Physician & Other Practitioners file.