Lorne William Walker, M.D.
Pediatric Infectious Diseases Physician · Portland, OR
Lorne William Walker, M.D. is a pediatric infectious diseases physician with a practice address in Portland, Oregon, and NPI 1588907398, issued on Mar 29, 2013. Check the license (Oregon MD200466, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lorne William Walker
- Credential
- M.D.
- Primary taxonomy
- Pediatric Infectious Diseases Physician 2080P0208X
- License number
- MD200466 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-5476
- Enumerated
- Mar 29, 2013
- Record last updated
- Aug 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200715003071); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest pediatric infectious diseases physician records → All 14 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Lorne William Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD200466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lorne William Walker among 14 pediatric infectious diseases physician records in Oregon
Lorne William Walker, M.D. is one of 14 pediatric infectious diseases physician records with a practice address in Oregon. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 86% of them.
- NPI issued2013 · 86% of these records are older, 7% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Record last updated2020 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0208X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Infectious Diseases Physician providers in Oregon
There are 14 pediatric infectious diseases physician records in Oregon.
All 14 in Oregon → Every provider in Portland → Pediatric Infectious Diseases Physician nationwide →
The 8 pediatric infectious diseases physician records with the nearest ZIP codes
- Christine Anterasian, M.D.Portland, OR 972391508285107
- Amira Baker, MDPortland, OR 972391861794414
- Colleen Chun, M.D.Portland, OR 972391346253895
- Judith Guzman-Cottrill, DOPortland, OR 972391063427573
- Christina Lancioni, MDPortland, OR 972391679651699
- Deborah Lewinsohn, MDPortland, OR 972391801802350
- Paul Lewis, MDPortland, OR 972391093721557
- Dawn Nolt, MDPortland, OR 972391285609917
Common questions
What is Lorne William Walker, M.D.'s NPI number?
Lorne William Walker, M.D.'s National Provider Identifier (NPI) is 1588907398, issued on Mar 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Lorne William Walker, M.D. located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-5476. Providers update this record themselves, so call before visiting.
How can I verify Lorne William Walker, M.D.'s license?
NPPES lists Oregon license number MD200466, 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.
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.