Andrea Leah Duffield
Speech-Language Pathologist · Bellevue, WA
Andrea Leah Duffield is a speech-language pathologist with a practice address in Bellevue, Washington, and NPI 1174645691, issued on Apr 4, 2007. Check the license (Washington LL00003253, 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.
- Name
- Andrea Leah Duffield
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- LL00003253 WA
Self-reported in NPPES; status is on the state search - Practice location
- 13010 NE 20TH St, Bellevue, WA 98005
- Phone
- (425) 644-6328
- Enumerated
- Apr 4, 2007
- Record last updated
- Jun 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (425) 644-6295
- Entity
- Type 1 · individual
Also registered at 13010 NE 20TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Holly Almon, M.S., BCBABehavior Analyst1023312873
- Nicole CaseSpeech-Language Pathologist1144504481
- Michael Clark, OTR/LOccupational Therapist1508226531
- Hannah Da Rosa, OTR/LOccupational Therapist1407243082
- Sara Gratz, M.S.Speech-Language Pathologist1497205934
- Amy JacksonOccupational Therapist1629410436
Verify Andrea Leah Duffield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LL00003253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
174 speech-language pathologist records list a practice address in Bellevue
They are 174 of the 6,738 NPPES records with a practice address in Bellevue, 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 174 in Bellevue → All 4,109 in Washington → Every provider in Bellevue →
Other speech-language pathologist records in Washington
- Melissa Aar, MS, MS, CF-SLPEverett, WA1699336735
- Elizabeth Aarstol, M.A. CCC-SLPBellingham, WA1750876827
- Jessica Abawag, CCC-SLPUniversity Place, WA1225392392
- Elise Abel, M.A., CF-SLPSpokane, WA1295349835
- Megan AbergerIssaquah, WA1679074512
- Deanna AberleSeattle, WA1932400652
- Tracy Abeto, M.S., CCC-SLPSeattle, WA1134561467
- Hannah AbrahamTacoma, WA1467223545
- Kierra Abraham, M.S., CCC-SLPBellevue, WA1346928835
- Stephanie Abutin, ,MS, CCC-SLPSeattle, WA1902522444
Common questions
What is Andrea Leah Duffield's NPI number?
Andrea Leah Duffield's National Provider Identifier (NPI) is 1174645691, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Leah Duffield located?
The NPPES record lists a practice address at 13010 NE 20TH St, Bellevue, WA, 98005. Phone: (425) 644-6328. Providers update this record themselves, so call before visiting.
How can I verify Andrea Leah Duffield's license?
NPPES lists Washington license number LL00003253, 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.