Leon Bruce Marshall, D.O .
Neurology Physician · Portland, OR
Leon Bruce Marshall, D.O . is a neurology physician with a practice address in Portland, Oregon, and NPI 1487703450, issued on Jan 9, 2007. Check the license (Oregon DO29055, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Leon Bruce Marshall
- Credential
- D.O .
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- DO29055 OR
5101010950 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1040 NW 22ND Ave, Portland, OR 97210
- Phone
- (503) 488-2424
- Enumerated
- Jan 9, 2007
- Record last updated
- Sep 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (503) 229-7105
- Medicaid IDs
- 500628636 OR
1587703450 WA
4507651 MI - Medicare enrollment
- Enrolled (PECOS I20110127001214); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 287 in Oregon → Look up another NPI →
Also registered at 1040 NW 22ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Blake Acohido, M.D.Ophthalmology Physician1518100734
- David Adler, MDNeurological Surgery Physician1851311088
- Muhammad Afzal, MD,FRSCSEDStudent in an Organized Health Care Education/Training Program1548463060
- Lisa Bailey, P.A.-CSurgical Physician Assistant1528074846
- Marcos Barnatan, MDVascular Surgery Physician1477512051
- Lynne Bell, M.D.Neurology Physician1801071899
Verify Leon Bruce Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO29055Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 88.7 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 2 group practices
- Legacy Clinics LLCPortland, OR
- Legacy Salmon Creek HospitalVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leon Bruce Marshall among 287 neurology physician records in Oregon
Leon Bruce Marshall, D.O . is one of 287 neurology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1990 · median 2007 among the 176 with a school on file
- Record last updated2013 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Oregon
There are 287 neurology physician records in Oregon.
All 287 in Oregon → Every provider in Portland → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Lynne Bell, M.D.Portland, OR 972101801071899
- Jeffrey Brown, M.D., PH.D.Portland, OR 972101548218563
- Nicholas Calvo, M.D.Portland, OR 972101972958593
- Catherine Ellison, MDPortland, OR 972101831191535
- Robert Gross, MDPortland, OR 972101134297948
- Michael Lane, M.D.Portland, OR 972101942568969
- Leslie McAllister, MDPortland, OR 972101407848831
- Andrew Rose-Innes, M.D.Portland, OR 972101578649224
Common questions
What is Leon Bruce Marshall, D.O .'s NPI number?
Leon Bruce Marshall, D.O .'s National Provider Identifier (NPI) is 1487703450, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leon Bruce Marshall, D.O . located?
The NPPES record lists a practice address at 1040 NW 22ND Ave, Portland, OR, 97210. Phone: (503) 488-2424. Providers update this record themselves, so call before visiting.
How can I verify Leon Bruce Marshall, D.O .'s license?
NPPES lists Oregon license number DO29055, 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.
What is Leon Bruce Marshall, D.O .'s MIPS final score?
The 2023 MIPS final score is 88.7 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.