Doctor profile · Federal record

Dr. Katherine Vaillancourt, MD

Family Medicine Physician (CMS: Family Practice) · Stamford, CT

  • NPI 1770112260
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1351 Washington Blvd
Stamford, CT 069022419
(203) 621-3700
fax (203) 621-3711

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
August 1, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Connecticut #75322

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770112260. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$31
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Organon LLC 1 $16.93
Phadia US INC. 1 $13.66

By nature of payment

Food and Beverage
$31

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
171
Patients
31
Total drug cost
$2,176
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 37 17 $547
Amlodipine Besylate Generic 35 14 $434
Tamsulosin Hcl Generic 21 0 $335
Metformin Hcl Generic 18 0 $165
Lisinopril Generic 17 0 $188
Fluticasone Propionate Generic 15 0 $210
Hydrochlorothiazide Generic 15 0 $45
Losartan Potassium Generic 13 0 $252

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Vaillancourt's medical specialty?
Dr. Katherine Vaillancourt practices Family Medicine Physician in Stamford, CT.
Where does Dr. Katherine Vaillancourt practice?
Dr. Katherine Vaillancourt practices at 1351 Washington Blvd, Stamford, CT 069022419. Office phone: 2036213700.
What is Dr. Katherine Vaillancourt's NPI?
Dr. Katherine Vaillancourt's National Provider Identifier (NPI) is 1770112260, issued by NPPES.
Does Dr. Katherine Vaillancourt accept Medicare assignment?
Yes. Dr. Katherine Vaillancourt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.