NPPES file of Aug 9, 2026

Julie Ann Duyff, RRT

Registered Respiratory Therapist · Seattle, WA

Julie Ann Duyff, RRT is a registered respiratory therapist with a practice address in Seattle, Washington, and NPI 1881615094, issued on Jul 22, 2006. Check the license (Washington LR00002074, as entered in NPPES) with the Washington 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
1881615094
Name
Julie Ann Duyff
Credential
RRT
Primary taxonomy
Registered Respiratory Therapist 227900000X
License number
LR00002074 WA
Self-reported in NPPES; status is on the state search
Practice location
1115 N Northgate Way, Seattle, WA 98133
Phone
(206) 525-1010
Enumerated
Jul 22, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(206) 523-9101
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 1115 N Northgate Way

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

  1. Sirgut Ashenaffi, RRTRegistered Respiratory Therapist1508190620
  2. Susan Auster, R.R.T.Registered Respiratory Therapist1952575318
  3. Margaret Baldwin, PTPhysical Therapist1710177019
  4. Rhonda Brown, R.R.T.Registered Respiratory Therapist1790943249
  5. Erica Dimmer, CRTCertified Respiratory Therapist1972769115
  6. Scott Martin, R.N., M.P.T.Physical Therapist1922276641

Verify Julie Ann Duyff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license LR00002074    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 Washington 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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Registered Respiratory Therapist providers in Washington

There are 183 registered respiratory therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 183 in Washington → Every provider in Seattle →

Other registered respiratory therapist records in Washington

  1. Biyao AbrahamSeattle, WA1215722905
  2. Eva Alvarado, RRTTacoma, WA1649899444
  3. Jessie AngelesSeattle, WA1316735095
  4. Kim Apperson, RRTSeattle, WA1669522272
  5. Angela Arzaga, RRTSeattle, WA1417745688
  6. Sirgut Ashenaffi, RRTSeattle, WA1508190620
  7. Susan Auster, R.R.T.Seattle, WA1952575318
  8. Michael Badajos, RTGig Harbor, WA1750138384
  9. Bogdan Badiu, RRTSeattle, WA1578792651
  10. Kenneth BairdSeattle, WA1386431302

Common questions

What is Julie Ann Duyff, RRT's NPI number?

Julie Ann Duyff, RRT's National Provider Identifier (NPI) is 1881615094, issued on Jul 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Julie Ann Duyff, RRT located?

The NPPES record lists a practice address at 1115 N Northgate Way, Seattle, WA, 98133. Phone: (206) 525-1010. Providers update this record themselves, so call before visiting.

How can I verify Julie Ann Duyff, RRT's license?

NPPES lists Washington license number LR00002074, as entered by the provider. Search the Washington 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.