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

Katherine Marie Vaillancourt, MD

Individual provider Family Medicine Physician · NPI 1770112260

Katherine Marie Vaillancourt, MD is a Family Practice in Stamford, Connecticut. Qualified in 2020, 6 years ago. Practices with Stamford Health Medical Group Inc, a 432-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
6
Licensed in
CT
In the registry since
2020
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

1351 Washington Blvd
Stamford, CT 06902-2419
Phone: (203) 621-3700
Fax: (203) 621-3711
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 75322 (CT)

Record details

NPI number1770112260
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2020
Last updated in NPPESAugust 1, 2025
Certification dateAugust 1, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Stamford Health Medical Group Inc — 432 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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