Matthew Walton, M.D.
Gastroenterology Physician · Corvallis, OR
Matthew Walton, M.D. is a gastroenterology physician with a practice address in Corvallis, Oregon, and NPI 1952497737, issued on Oct 5, 2006. Check the license (Oregon MD29243, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Walton
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD29243 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3521 NW Samaritan Dr, Corvallis, OR 97330
- Phone
- (541) 768-6119
- Enumerated
- Oct 5, 2006
- Record last updated
- Mar 21, 2025
- Fax
- (541) 768-6120
- Medicare enrollment
- Enrolled (PECOS I20090929000544); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 3521 NW Samaritan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jenna Chamness, PHARMDPharmacist1215791249
- Maria Clark-Harmon, ANPAdult Health Nurse Practitioner1013956036
- Dean Crowell, PA, ATCPhysician Assistant1124443320
- Jacque Davis, PA-CPhysician Assistant1528146073
- Deidre Greene, ANPNurse Practitioner1114963568
- Dena Hulting, PA-CPhysician Assistant1154373868
Verify Matthew Walton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD29243Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average gastroenterology physician in 2024
653 Medicare Part D claims for 534 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Peg 3350-Electrolyte402 claims
- Sod Sulf-Potass Sulf-Mag Sulf51 claims
- Omeprazole42 claims
- Gavilyte-N22 claims
- Amitriptyline Hcl14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Good Samaritan Hospital CorvallisCorvallis, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Walton among 281 gastroenterology physician records in Oregon
Matthew Walton, M.D. is one of 281 gastroenterology physician records with a practice address in Oregon. 79% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2002 · median 2003 among the 201 with a school on file
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Oregon
There are 281 gastroenterology physician records in Oregon.
All 281 in Oregon → Every provider in Corvallis → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sarah Brendler, M.D.Corvallis, OR 973301609827278
- Hsichao Chow, MDCorvallis, OR 973301356431464
- Shivani GuptaCorvallis, OR 973301326481466
- Keith Harris, MDCorvallis, OR 973301538235726
- Chad Morse, M.D.Corvallis, OR 973301588794135
- Surinder Vasdev, MDCorvallis, OR 973301093893554
- Albert Ryckman, MDAlbany, OR 973211750341905
- Joseph Glaser, MDSalem, OR 973061235246315
Common questions
What is Matthew Walton, M.D.'s NPI number?
Matthew Walton, M.D.'s National Provider Identifier (NPI) is 1952497737, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Walton, M.D. located?
The NPPES record lists a practice address at 3521 NW Samaritan Dr, Corvallis, OR, 97330. Phone: (541) 768-6119. Providers update this record themselves, so call before visiting.
How can I verify Matthew Walton, M.D.'s license?
NPPES lists Oregon license number MD29243, 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 Matthew Walton, M.D. prescribe under Medicare Part D?
In 2024, Matthew Walton, M.D. had 653 Medicare Part D claims for 534 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Matthew Walton, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.