NPPES file of Aug 9, 2026

James William Larson, R.N.

Registered Nurse · Seattle, WA

James William Larson, R.N. is a registered nurse with a practice address in Seattle, Washington, and NPI 1669560298, issued on Oct 10, 2006. Check the license (Washington RN00127900, 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
1669560298
Name
James William Larson
Credential
R.N.
Primary taxonomy
Registered Nurse 163W00000X
License number
RN00127900 WA
Self-reported in NPPES; status is on the state search
Practice location
901 Boren Ave, Seattle, WA 98104
Phone
(206) 464-0873
Enumerated
Oct 10, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(206) 467-7351
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 registered nurse records → All 5,708 in Washington → Look up another NPI →

Also registered at 901 Boren Ave

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

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  2. Stephen Barbuto, PTPhysical Therapist1679683502
  3. Janet Berg, MDPsychiatry Physician1306804885
  4. Michael Bono, PTPhysical Therapist1922061951
  5. Paul Brown, M.D.Rheumatology Physician1689749525
  6. Reyne Cha, RNPlastic Surgery Registered Nurse1104068881

Verify James William Larson 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 RN00127900    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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James William Larson among 5,708 registered nurse records in Washington

James William Larson, R.N. is one of 5,708 registered nurse records with a practice address in Washington. under 1% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 97% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

941 registered nurse records list a practice address in Seattle

They are 941 of the 41,956 NPPES records with a practice address in Seattle, and 5,708 registered nurse records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,708 in Washington → Every provider in Seattle → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Shea Brinias, RNSeattle, WA 981041922103100
  2. Alison Cathro, RNSeattle, WA 981041437254620
  3. Jennifer Diprima, RNSeattle, WA 981041134224322
  4. Mavirginia Gabuat, RNSeattle, WA 981041467540005
  5. Johanna Hulick, RNSeattle, WA 981041396840484
  6. Melissa Kammenga, RNSeattle, WA 981041992800080
  7. Natalie Keenan, RNSeattle, WA 981041316042401
  8. Allison McNally, RNSeattle, WA 981041265537369

Common questions

What is James William Larson, R.N.'s NPI number?

James William Larson, R.N.'s National Provider Identifier (NPI) is 1669560298, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James William Larson, R.N. located?

The NPPES record lists a practice address at 901 Boren Ave, Seattle, WA, 98104. Phone: (206) 464-0873. Providers update this record themselves, so call before visiting.

How can I verify James William Larson, R.N.'s license?

NPPES lists Washington license number RN00127900, 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.