Registry data as of Aug 27, 2026

Mary Brennan, MS, SLP

Speech-Language Pathologist · Freeland, WA

Mary Brennan, MS, SLP is a speech-language pathologist with a practice address in Freeland, Washington, and NPI 1205902244, issued on Nov 28, 2006. Check the license (Washington LL00003055, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1205902244
Name
Mary Brennan
Credential
MS, SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
LL00003055 WA
Self-reported in NPPES; status is on the state search
Practice location
5577 Vanbarr Place, Freeland, WA 98249
Phone
(360) 331-8001
Enumerated
Nov 28, 2006
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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Verify Mary Brennan 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 LL00003055
    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.

3 speech-language pathologist records list a Freeland practice address

They are 3 of the 94 NPPES records with a Freeland practice address, and 4,058 speech-language pathologist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other speech-language pathologist records in Washington

  1. Melissa Aar, MS, MS, CF-SLPEverett, WA1699336735
  2. Elizabeth Aarstol, M.A. CCC-SLPBellingham, WA1750876827
  3. Jessica Abawag, CCC-SLPUniversity Place, WA1225392392
  4. Elise Abel, M.A., CF-SLPSpokane, WA1295349835
  5. Megan AbergerIssaquah, WA1679074512
  6. Deanna AberleSeattle, WA1932400652
  7. Tracy Abeto, M.S., CCC-SLPSeattle, WA1134561467
  8. Hannah AbrahamTacoma, WA1467223545
  9. Kierra Abraham, M.S., CCC-SLPBellevue, WA1346928835
  10. Stephanie Abutin, ,MS, CCC-SLPSeattle, WA1902522444

Common questions

What is Mary Brennan, MS, SLP's NPI number?

Mary Brennan, MS, SLP's National Provider Identifier (NPI) is 1205902244, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Brennan, MS, SLP located?

The NPPES record lists a practice address at 5577 Vanbarr Place, Freeland, WA, 98249. Phone: (360) 331-8001. Providers update this record themselves, so call before visiting.

How can I verify Mary Brennan, MS, SLP's license?

NPPES lists Washington license number LL00003055, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.