NPPES file of Aug 9, 2026

Walter Scott Williams, M.D.

Family Medicine Physician · Corvallis, OR

Walter Scott Williams, M.D. is a family medicine physician with a practice address in Corvallis, Oregon, and NPI 1225099351, issued on Mar 29, 2006. Check the license (Oregon MD24142, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225099351
Name
Walter Scott Williams
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD24142 OR
Self-reported in NPPES; status is on the state search
Practice location
530 NW 27TH St, Corvallis, OR 97330
Phone
(541) 766-6835
Enumerated
Mar 29, 2006
Record last updated
Feb 10, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
286440 OR
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 530 NW 27TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dennis Abreu, LCSWClinical Social Worker1134180573
  2. Robert AckerlindCommunity Health Worker1356787568
  3. Kareem AddassiStudent in an Organized Health Care Education/Training Program1063074870
  4. Queenie Love AgbayaniCommunity Health Worker1801549126
  5. Deidma Agee-Brockmann, QMHACase Manager/Care Coordinator1316148638
  6. Mustafa Al IsmailCommunity Health Worker1316312978

Verify Walter Scott Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD24142
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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11% more Medicare Part D claims than the average family medicine physician in 2024

3,936 Medicare Part D claims for 228 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 282 claims were for opioids.

  1. Walter Williams3,936
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium328 claims
  2. Gabapentin155 claims
  3. Lisinopril128 claims
  4. Amlodipine Besylate123 claims
  5. Levothyroxine Sodium112 claims
  6. Metoprolol Succinate107 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.

Walter Scott Williams among 2,847 family medicine physician records in Oregon

Walter Scott Williams, M.D. is one of 2,847 family medicine physician records with a practice address in Oregon. 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, 53% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2012 · 57% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

114 family medicine physician records list a practice address in Corvallis

They are 114 of the 4,096 NPPES records with a practice address in Corvallis, and 2,847 family medicine physician records in Oregon.

The 8 family medicine physician records with the nearest ZIP codes

  1. Daniel Barrett, M.D.Corvallis, OR 973301386694776
  2. Brandi Boller, DOCorvallis, OR 973301528034683
  3. Kristin Bradford, M.D.Corvallis, OR 973301952304396
  4. Bruce Byram, M.D.Corvallis, OR 973301356391445
  5. Margaret Carr, M.D.Corvallis, OR 973301699714782
  6. Bryce Cleary, M.D.Corvallis, OR 973301063461564
  7. Aaron David, DOCorvallis, OR 973301548236904
  8. Connie Graham, M.D.Corvallis, OR 973301568404135

Common questions

What is Walter Scott Williams, M.D.'s NPI number?

Walter Scott Williams, M.D.'s National Provider Identifier (NPI) is 1225099351, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Walter Scott Williams, M.D. located?

The NPPES record lists a practice address at 530 NW 27TH St, Corvallis, OR, 97330. Phone: (541) 766-6835. Providers update this record themselves, so call before visiting.

How can I verify Walter Scott Williams, M.D.'s license?

NPPES lists Oregon license number MD24142, 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 Walter Scott Williams, M.D. prescribe under Medicare Part D?

In 2024, Walter Scott Williams, M.D. had 3,936 Medicare Part D claims for 228 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.