NPPES file of Aug 9, 2026

James Mike Marshall, SLP

Speech-Language Pathologist · Seattle, WA

James Mike Marshall, SLP is a speech-language pathologist with a practice address in Seattle, Washington, and NPI 1992858740, issued on Jan 18, 2007. Check the license (Washington LL00002189, 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
1992858740
Name
James Mike Marshall
Credential
SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
LL00002189 WA
Self-reported in NPPES; status is on the state search
Practice location
1100 9TH Ave, Seattle, WA 98101
Phone
(206) 223-6600
Enumerated
Jan 18, 2007
Record last updated
Jan 25, 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.
Download card Updates feed

8 nearest speech-language pathologist records → All 4,109 in Washington → Look up another NPI →

Also registered at 1100 9TH Ave

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

  1. Barry Aaronson, MDHospitalist Physician1952418345
  2. David Aboulafia, MDHematology & Oncology Physician1043269392
  3. Deborah Abrams, M.D.Hematology & Oncology Physician1902974835
  4. Alvin Aceron, ARNPAdult Health Nurse Practitioner1639488562
  5. Ream AdeebAdult Health Nurse Practitioner1760868855
  6. Steven Adler, MDDiagnostic Ultrasound Physician1639108046

Verify James Mike Marshall 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 LL00002189    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

James Mike Marshall among 4,109 speech-language pathologist records in Washington

James Mike Marshall, SLP is one of 4,109 speech-language pathologist records with a practice address in Washington. 2% 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 2007, is newer than 6% of them.

  • NPI issued2007 · 6% of these records are older, 86% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2010 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

534 speech-language pathologist records list a practice address in Seattle

They are 534 of the 41,956 NPPES records with a practice address in Seattle, and 4,109 speech-language pathologist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,109 in Washington → Every provider in Seattle → Speech-Language Pathologist nationwide →

The 8 speech-language pathologist records with the nearest ZIP codes

  1. Janna Ajam, SLPSeattle, WA 981011508950346
  2. Janice Bogle, SLPSeattle, WA 981011477691103
  3. Wendy Boic, SLPSeattle, WA 981011659422731
  4. Emily Byers, SLPSeattle, WA 981011538210612
  5. Theresa Clipson, SLPSeattle, WA 981011841343456
  6. Stephanie Ennis, CCC-SLPSeattle, WA 981011669693222
  7. Nichelle Keatley, MS, CCC-SLPSeattle, WA 981011558537431
  8. Roberta Kelley, SLPSeattle, WA 981011811040439

Common questions

What is James Mike Marshall, SLP's NPI number?

James Mike Marshall, SLP's National Provider Identifier (NPI) is 1992858740, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Mike Marshall, SLP located?

The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-6600. Providers update this record themselves, so call before visiting.

How can I verify James Mike Marshall, SLP's license?

NPPES lists Washington license number LL00002189, 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.