NPPES file of Aug 9, 2026

Philippa Lindsay Thomas, PSYD

Psychologist · Redmond, WA

Philippa Lindsay Thomas, PSYD is a psychologist with a practice address in Redmond, Washington, and NPI 1831685528, issued on Jul 5, 2018. Check the license (Washington PY61279129, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831685528
Name
Philippa Lindsay Thomas
Credential
PSYD
Primary taxonomy
Psychologist 103T00000X
License numbers
PY61279129 WA
150941 AK
Self-reported in NPPES; status is on the state search
Practice location
16255 NE 87TH St Ste 150, Redmond, WA 98052
Phone
(425) 882-1697
Enumerated
Jul 5, 2018
Record last updated
Jan 17, 2025
Fax
(425) 885-4179
Medicare enrollment
Enrolled (PECOS I20230502000749); accepts 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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Also registered at 16255 NE 87TH St Ste 150

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

  1. Troy Berg, MACounselor1922801851
  2. Chiyong Byun, DIRegistered Dietitian1508974643
  3. Grace Davis, DNPNurse Practitioner1164991188
  4. Julie Duncan, MDFamily Medicine Physician1952891947
  5. Ruth English, DDSDentist1093978256
  6. Cheryl Haston, MDFamily Medicine Physician1063087310

Verify Philippa Lindsay Thomas 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 PY61279129
    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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Bills Medicare through one group practice

  1. HealthpointRedmond, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Philippa Lindsay Thomas among 1,089 psychologist records in Washington

Philippa Lindsay Thomas, PSYD is one of 1,089 psychologist records with a practice address in Washington. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 79% of them.

  • NPI issued2018 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2019 · median 2009 among the 226 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Washington

There are 1,089 psychologist records in Washington.

The 8 psychologist records with the nearest ZIP codes

  1. Monica Bristow, PHDRedmond, WA 980521932292133
  2. Sabrina Chow, PH.D.Redmond, WA 980521598096158
  3. Gale Dhaliwal, PH.D.Redmond, WA 980521366990251
  4. Michael Harris, PHDRedmond, WA 980521245347525
  5. Christine Joo, EDD, LPRedmond, WA 980521801026471
  6. Mary Kenney, PH.D.Redmond, WA 980521083906515
  7. Michael Kippes, PHDRedmond, WA 980521598858797
  8. Jennifer Moosman, PHDRedmond, WA 980521457444556

Common questions

What is Philippa Lindsay Thomas, PSYD's NPI number?

Philippa Lindsay Thomas, PSYD's National Provider Identifier (NPI) is 1831685528, issued on Jul 5, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Philippa Lindsay Thomas, PSYD located?

The NPPES record lists a practice address at 16255 NE 87TH St Ste 150, Redmond, WA, 98052. Phone: (425) 882-1697. Providers update this record themselves, so call before visiting.

How can I verify Philippa Lindsay Thomas, PSYD's license?

NPPES lists Washington license number PY61279129, 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. Medicare files from data.cms.gov. 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.