NPPES file of Aug 9, 2026

Arthur L. Downard, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Portland, OR

Arthur L. Downard, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Portland, Oregon, and NPI 1336237197, issued on Oct 10, 2006. Check the license (Oregon 090006667N6, as entered in NPPES) with the Oregon board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1336237197
Name
Arthur L. Downard
Credential
PMHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
090006667N6 OR
Self-reported in NPPES; status is on the state search
Practice location
426 SW Stark St, Portland, OR 97204
Phone
(593) 988-5140
Enumerated
Oct 10, 2006
Record last updated
Dec 21, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid ID
124920 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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8 nearest psychiatric/mental health nurse practitioner records → All 1,217 in Oregon → Look up another NPI →

Also registered at 426 SW Stark St

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

  1. Gregory Allers, DOFamily Medicine Physician1649311911
  2. Gretchen Barron, CHNCommunity Health Registered Nurse1942599527
  3. Julianne Bava, NMNPAdvanced Practice Midwife1841343217
  4. Laurie Beeson, FNPFamily Nurse Practitioner1194878470
  5. Eleanor Benecki, PAPhysician Assistant1588796486
  6. Roberta Bentson-Royal, PNPPediatric Nurse Practitioner1679626964

Verify Arthur L. Downard in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 090006667N6    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
Find the Oregon license search

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Arthur L. Downard among 1,217 psychiatric/mental health nurse practitioner records in Oregon

Arthur L. Downard, PMHNP is one of 1,217 psychiatric/mental health nurse practitioner records with a practice address in Oregon. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 86% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2009 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Oregon

There are 1,217 psychiatric/mental health nurse practitioner records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,217 in Oregon → Every provider in Portland → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Tracy Bitz, RN, NPPortland, OR 972041780728907
  2. Yoonhui Choe, PMHNPPortland, OR 972041306947726
  3. Mary Lou Engert, PMHNPPortland, OR 972041851343495
  4. Sandra Fresh, PMHNPPortland, OR 972041730267907
  5. Christina Keener, APRNPortland, OR 972041467513077
  6. Roberta Maixner, DNP, PMHNP-BCPortland, OR 972041487803151
  7. Susan Marie, PMHNPPortland, OR 972041235267329
  8. Katrina McAlexander, NPPortland, OR 972041063697555

Common questions

What is Arthur L. Downard, PMHNP's NPI number?

Arthur L. Downard, PMHNP's National Provider Identifier (NPI) is 1336237197, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arthur L. Downard, PMHNP located?

The NPPES record lists a practice address at 426 SW Stark St, Portland, OR, 97204. Phone: (593) 988-5140. Providers update this record themselves, so call before visiting.

How can I verify Arthur L. Downard, PMHNP's license?

NPPES lists Oregon license number 090006667N6, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.