Steven A. Day, MD
Neurology Physician · Portland, OR
Steven A. Day, MD is a neurology physician with a practice address in Portland, Oregon, and NPI 1194845420, issued on Mar 30, 2007. Check the license (Oregon MD150073, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Steven A. Day
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- MD150073 OR
MD00047607 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9427 SW Barnes RD, Portland, OR 97225
- Phone
- (503) 216-1150
- Enumerated
- Mar 30, 2007
- Record last updated
- Jan 27, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (503) 216-1154
- Medicaid IDs
- 500612236 OR
8477176 WA - Entity
- Type 1 · individual
8 nearest neurology physician records → All 287 in Oregon → Look up another NPI →
Also registered at 9427 SW Barnes RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven A. Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD150073Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $120.86
1 payment: food and beverage; the largest payer was Abiomed. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Steven A. Day among 287 neurology physician records in Oregon
Steven A. Day, MD 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 fileNo · 62% of these records are
- Record last updated2010 · 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
- David Dine, M.D.Portland, OR 972251104872233
- Felicia Ferguson, MDPortland, OR 972251972511491
- Norman Freeman, M.D.Portland, OR 972251598879363
- Kiren Kresa-Reahl, M.D.Portland, OR 972251144311929
- Herbert Krob, MDPortland, OR 972251780615625
- Charles Lavigne, M.DPortland, OR 972251023138799
- Hubert Leonard, MDPortland, OR 972251386636769
- Vitalie Lupu, MDPortland, OR 972251609837913
Common questions
What is Steven A. Day, MD's NPI number?
Steven A. Day, MD's National Provider Identifier (NPI) is 1194845420, issued on Mar 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steven A. Day, MD located?
The NPPES record lists a practice address at 9427 SW Barnes RD, Portland, OR, 97225. Phone: (503) 216-1150. Providers update this record themselves, so call before visiting.
How can I verify Steven A. Day, MD's license?
NPPES lists Oregon license number MD150073, 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.