NPPES file of Aug 9, 2026

Tiffany Vassalo, M.S., CCC-SLP

Speech-Language Pathologist · Seattle, WA

Tiffany Vassalo, M.S., CCC-SLP is a speech-language pathologist with a practice address in Seattle, Washington, and NPI 1578041554, issued on Aug 1, 2018. Check the license (Washington LL61321905, 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
1578041554
Name
Tiffany Vassalo
Credential
M.S., CCC-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License numbers
LL61321905 WA
SP28481 CA
Self-reported in NPPES; status is on the state search
Practice location
2300 W Bertona St, Seattle, WA 98199
Phone
(978) 444-0321
Enumerated
Aug 1, 2018
Record last updated
Feb 20, 2023
Medicare enrollment
Enrolled (PECOS I20250904004867); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Tiffany Vassalo 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 LL61321905
    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

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Tiffany Vassalo among 4,109 speech-language pathologist records in Washington

Tiffany Vassalo, M.S., CCC-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 2018, is newer than 61% of them.

  • NPI issued2018 · 61% of these records are older, 34% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2018 · median 2016 among the 146 with a school on file
  • Record last updated2023 · 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.

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

  1. Altaire Anderson, M.S.Seattle, WA 981991902287824
  2. Ramona Best, MA CCC- SLPSeattle, WA 981991427395870
  3. Kelleen DunleySeattle, WA 981991518336858
  4. Kathleen Gallagher, SPEECH THERAPISTSeattle, WA 981991306036280
  5. Sarah Gopalakrishnan, MS, CCC-SLPSeattle, WA 981991558852723
  6. Brett MylesSeattle, WA 981991740067032
  7. Nicole Paolone Webb, MS-CCC SLPSeattle, WA 981991881964021
  8. Yun-Jung ChuangDes Moines, WA 981981407723463

Common questions

What is Tiffany Vassalo, M.S., CCC-SLP's NPI number?

Tiffany Vassalo, M.S., CCC-SLP's National Provider Identifier (NPI) is 1578041554, issued on Aug 1, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Vassalo, M.S., CCC-SLP located?

The NPPES record lists a practice address at 2300 W Bertona St, Seattle, WA, 98199. Phone: (978) 444-0321. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Vassalo, M.S., CCC-SLP's license?

NPPES lists Washington license number LL61321905, 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.

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.