Cody Couperus-Mashewske, MD
Critical Care Medicine (Internal Medicine) Physician · Salem, OR
Cody Couperus-Mashewske, MD is a critical care medicine (internal medicine) physician with a practice address in Salem, Oregon, and NPI 1508326455, issued on Mar 25, 2019. Check the license (Oregon MD224111, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cody Couperus-Mashewske
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- MD224111 OR
Self-reported in NPPES; status is on the state search - Practice location
- 801 Mission St SE, Salem, OR 97302
- Phone
- (410) 328-6161
- Enumerated
- Mar 25, 2019
- Record last updated
- Sep 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20250929003235); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 75 in Oregon → Look up another NPI →
Also registered at 801 Mission St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah DyckmanMedical Physician Assistant1871011650
- Hadya Elshakh, MDPulmonary Disease Physician1629562129
- Yasaman Eslaamizaad, M.D.Pulmonary Disease Physician1770921470
- Kamran Firoozi, M.D.Pulmonary Disease Physician1508974155
- Kejal Gandhi, MDPulmonary Disease Physician1144882291
- Britney Hyun, DOInternal Medicine Physician1578066502
Verify Cody Couperus-Mashewske in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD224111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
70 Medicare Part D claims for 22 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of 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.
Bills Medicare through one group practice
- Salem Pulmonary Associates PCSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cody Couperus-Mashewske among 75 critical care medicine (internal medicine) physician records in Oregon
Cody Couperus-Mashewske, MD is one of 75 critical care medicine (internal medicine) physician records with a practice address in Oregon. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 91% of them.
- NPI issued2019 · 91% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2019 · median 2009 among the 58 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Oregon
There are 75 critical care medicine (internal medicine) physician records in Oregon.
All 75 in Oregon → Every provider in Salem → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Wenn Jean Ng, M.D.Salem, OR 973021346452554
- Kishan RamachandranSalem, OR 973021417143793
- Susan Cho, M.D.Corvallis, OR 973301194775437
- John Gotchall, MDCorvallis, OR 973301568411445
- James Knight, M.D.Corvallis, OR 973301245402320
- Christopher Chang, M.D.Portland, OR 972391174941298
- Yutika Dongre, M.D.Portland, OR 972391619619301
- Ryan Grattan, MDPortland, OR 972391639669781
Common questions
What is Cody Couperus-Mashewske, MD's NPI number?
Cody Couperus-Mashewske, MD's National Provider Identifier (NPI) is 1508326455, issued on Mar 25, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Cody Couperus-Mashewske, MD located?
The NPPES record lists a practice address at 801 Mission St SE, Salem, OR, 97302. Phone: (410) 328-6161. Providers update this record themselves, so call before visiting.
How can I verify Cody Couperus-Mashewske, MD's license?
NPPES lists Oregon license number MD224111, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cody Couperus-Mashewske, MD prescribe under Medicare Part D?
In 2024, Cody Couperus-Mashewske, MD had 70 Medicare Part D claims for 22 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.