Ian James Pennell-Walklin, MD
Hospitalist Physician · Corvallis, OR
Ian James Pennell-Walklin, MD is a hospitalist physician with a practice address in Corvallis, Oregon, and NPI 1952662892, issued on Jun 7, 2012. Check the license (Oregon MD172217, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ian James Pennell-Walklin
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD172217 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3600 NW Samaritan Dr, Corvallis, OR 97330
- Phone
- (541) 768-5111
- Enumerated
- Jun 7, 2012
- Record last updated
- Jan 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 500688436 OR
- Medicare enrollment
- Enrolled (PECOS I20150821013827); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 471 in Oregon → Look up another NPI →
Also registered at 3600 NW Samaritan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ian James Pennell-Walklin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD172217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average hospitalist physician in 2024
333 Medicare Part D claims for 102 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium28 claims
- Metoprolol Succinate22 claims
- Losartan Potassium17 claims
- Eliquis14 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): 86.2 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 2 group practices
- Good Samaritan Hospital CorvallisCorvallis, OR
- Mid-Valley Healthcare IncLebanon, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian James Pennell-Walklin among 471 hospitalist physician records in Oregon
Ian James Pennell-Walklin, MD is one of 471 hospitalist physician records with a practice address in Oregon. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 59% of them.
- NPI issued2012 · 59% of these records are older, 35% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2012 · median 2009 among the 400 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Oregon
There are 471 hospitalist physician records in Oregon.
All 471 in Oregon → Every provider in Corvallis → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Alia AshrafCorvallis, OR 973301699165944
- Adrienne Bennett, M.D.Corvallis, OR 973301639185697
- Nicholas Brown, D.O.Corvallis, OR 973301235425398
- Jesse Greenblatt, M.D.Corvallis, OR 973301609077296
- Alireza Shabani-Ardali, MDCorvallis, OR 973301083862403
- David Shankowski, M.D.Corvallis, OR 973301023396983
- Moina Snyder, D.OCorvallis, OR 973301760861801
- Joel Stuart, D.O.Corvallis, OR 973301427468131
Common questions
What is Ian James Pennell-Walklin, MD's NPI number?
Ian James Pennell-Walklin, MD's National Provider Identifier (NPI) is 1952662892, issued on Jun 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ian James Pennell-Walklin, MD located?
The NPPES record lists a practice address at 3600 NW Samaritan Dr, Corvallis, OR, 97330. Phone: (541) 768-5111. Providers update this record themselves, so call before visiting.
How can I verify Ian James Pennell-Walklin, MD's license?
NPPES lists Oregon license number MD172217, 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 Ian James Pennell-Walklin, MD prescribe under Medicare Part D?
In 2024, Ian James Pennell-Walklin, MD had 333 Medicare Part D claims for 102 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Ian James Pennell-Walklin, MD's MIPS final score?
The 2023 MIPS final score is 86.2 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.