NPPES file of Aug 9, 2026

Seth James Altshuler, MSW

Social Worker · Portland, OR

Seth James Altshuler, MSW is a social worker with a practice address in Portland, Oregon, and NPI 1578893715, issued on Jan 11, 2010. Check the license 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
1578893715
Name
Seth James Altshuler
Credential
MSW
Primary taxonomy
Social Worker 104100000X
Practice location
1500 NE Irving St, Portland, OR 97232
Phone
(503) 258-4200
Enumerated
Jan 11, 2010
Record last updated
Jan 11, 2010 (not updated in 16 years: call before relying on the address or phone)
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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Also registered at 1500 NE Irving St

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

  1. Joshua AldridgeStudent in an Organized Health Care Education/Training Program1467696831
  2. Shanon Alexander, MA,LMFTMarriage & Family Therapist1508991100
  3. Winston Anderson, PSY.D.Clinical Psychologist1619112018
  4. Brittania Anoai-GonzalezCase Manager/Care Coordinator1043531148
  5. Kathryn Archibald, MSSW, LCSWClinical Social Worker1558546325
  6. Cheryl AyersClinical Social Worker1235383613

Verify Seth James Altshuler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this professionCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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964 social worker records list a practice address in Portland

They are 964 of the 42,088 NPPES records with a practice address in Portland, and 2,101 social worker records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other social worker records in Oregon

  1. Marissa AbbottPortland, OR1104631159
  2. Abdifatah AbdiPortland, OR1104756907
  3. Jasmine AbelesEugene, OR1699429001
  4. Aj AbellMcMinnville, OR1235665118
  5. Angela Abousamra, LMSW, LBS-PAAloha, OR1790169340
  6. Lowhren AcevesPortland, OR1407492903
  7. Joseph AchanaOntario, OR1487167458
  8. Lisa Achilles, MAGresham, OR1285932285
  9. Leslie Acosta Herrera, MSW, CSWA, CHWPortland, OR1851175574
  10. Brandi AcsPortland, OR1992176473

Common questions

What is Seth James Altshuler, MSW's NPI number?

Seth James Altshuler, MSW's National Provider Identifier (NPI) is 1578893715, issued on Jan 11, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Seth James Altshuler, MSW located?

The NPPES record lists a practice address at 1500 NE Irving St, Portland, OR, 97232. Phone: (503) 258-4200. Providers update this record themselves, so call before visiting.

How can I verify Seth James Altshuler, MSW's license?

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.

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.