Yvonne K. Courchesne, MD
Family Medicine Physician · Corvallis, MT
Yvonne K. Courchesne, MD is a family medicine physician with a practice address in Corvallis, Montana, and NPI 1124073341, issued on May 24, 2006. Check the license (Montana MED-PHYS-LIC-10225, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Yvonne K. Courchesne
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MED-PHYS-LIC-10225 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1037 Main St, Corvallis, MT 59828
- Phone
- (406) 961-4661
- Enumerated
- May 24, 2006
- Record last updated
- Nov 12, 2024
- Fax
- (406) 961-4260
- Medicaid IDs
- 100016553 MT
1124073341 ID - Medicare enrollment
- Enrolled (PECOS I20040520000483); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 775 in Montana → Look up another NPI →
Also registered at 1037 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicolett Weston, APRNNurse Practitioner1003076639
Verify Yvonne K. Courchesne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-10225Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average family medicine physician in 2024
3,896 Medicare Part D claims for 231 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 231 claims were for opioids.
Most prescribed
- Levothyroxine Sodium245 claims
- Rosuvastatin Calcium191 claims
- Atorvastatin Calcium174 claims
- Metoprolol Succinate170 claims
- Lisinopril160 claims
- Metformin Hcl136 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $19.63
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Marcus Daly Memorial Hospital CorporationStevensville, MT
- Sapphire Community Health IncHamilton, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yvonne K. Courchesne among 775 family medicine physician records in Montana
Yvonne K. Courchesne, MD is one of 775 family medicine physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 50% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2007 among the 464 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 family medicine physician record lists a practice address in Corvallis
They are 1 of the 30 NPPES records with a practice address in Corvallis, and 775 family medicine physician records in Montana.
All 775 in Montana → Every provider in Corvallis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Carlee Kalbfleisch, MDDarby, MT 598291023639150
- Mariah Bonner, DOFlorence, MT 598331962825356
- Robert Hart, DOFlorence, MT 598331114062809
- James Jennings, DOFlorence, MT 598331003312604
- Georgia Milan, MDFlorence, MT 598331134155534
- Laura Shelton, MDFlorence, MT 598331679574131
- Gregory Houlihan, DOSuperior, MT 598221447251319
- Walker Ashcraft, MDHamilton, MT 598401265485114
Common questions
What is Yvonne K. Courchesne, MD's NPI number?
Yvonne K. Courchesne, MD's National Provider Identifier (NPI) is 1124073341, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yvonne K. Courchesne, MD located?
The NPPES record lists a practice address at 1037 Main St, Corvallis, MT, 59828. Phone: (406) 961-4661. Providers update this record themselves, so call before visiting.
How can I verify Yvonne K. Courchesne, MD's license?
NPPES lists Montana license number MED-PHYS-LIC-10225, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yvonne K. Courchesne, MD prescribe under Medicare Part D?
In 2024, Yvonne K. Courchesne, MD had 3,896 Medicare Part D claims for 231 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.