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

Yvonne K Courchesne, MD

Individual provider Family Medicine Physician · NPI 1124073341

Yvonne K Courchesne, MD is a Family Practice in Corvallis, Montana. Graduated from University of Washington School of Medicine in 1999, 27 years ago. Practices with Sapphire Community Health Inc, a 39-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
27
Trained at
University of Washington School of Medicine
Licensed in
MT
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 →

Practice location Address checks out

1037 Main St
Corvallis, MT 59828-9004
Phone: (406) 961-4661
Fax: (406) 961-4260
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MED-PHYS-LIC-10225 (MT)

Record details

NPI number1124073341
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 24, 2006
Last updated in NPPESNovember 12, 2024
Certification dateNovember 12, 2024

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Sapphire Community Health Inc — 39 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare