NPPES file of Aug 9, 2026

Phyllis Fiedler, PHD

Clinical Psychologist · Mercer Island, WA

Phyllis Fiedler, PHD is a clinical psychologist with a practice address in Mercer Island, Washington, and NPI 1164571014, issued on Jan 9, 2007. Check the license (Washington 583, 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
1164571014
Name
Phyllis Fiedler
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
583 WA
Self-reported in NPPES; status is on the state search
Practice location
8015 SE 28TH St, Mercer Island, WA 98040
Phone
(206) 439-1762
Enumerated
Jan 9, 2007
Record last updated
Nov 19, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120312000812); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 8015 SE 28TH St

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

  1. Roland Barach, PH.D.Clinical Psychologist1134278070
  2. Liat Feinberg, LICSWClinical Social Worker1467731000
  3. Regina Feinberg, MA, CCCSpeech-Language Pathologist1114239548
  4. Ron Feinberg, MSW, LICSWClinical Social Worker1861516825
  5. Robert Goode, MDFamily Medicine Physician1356415707
  6. Janet Leamon, LMFTMarriage & Family Therapist1245648765

Verify Phyllis Fiedler 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 583    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. Roland I Barach Phd PSMercer Island, WA

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

8 clinical psychologist records list a practice address in Mercer Island

They are 8 of the 331 NPPES records with a practice address in Mercer Island, and 1,675 clinical psychologist records in Washington.

All 8 in Mercer Island → All 1,675 in Washington → Every provider in Mercer Island →

Other clinical psychologist records in Washington

  1. Amy Aadland, PSY.D.Vancouver, WA1134378227
  2. Geneva Abiko, PSY.D.Bellevue, WA1891905303
  3. Michelle Accardi-Ravid, PH.D.Seattle, WA1689094294
  4. Aimee Acebedo, PH.D.Tacoma, WA1437342912
  5. Chloe Adams, PHDLakewood, WA1407788789
  6. Diane Adams, PH.D.Renton, WA1922112937
  7. Julie Adams, PHDEdmonds, WA1700820644
  8. Kristopher AdamsVancouver, WA1679197370
  9. Reginald Adkisson, PHDBremerton, WA1063632834
  10. Chrystal Agnor, PH.D.Vancouver, WA1215241781

Common questions

What is Phyllis Fiedler, PHD's NPI number?

Phyllis Fiedler, PHD's National Provider Identifier (NPI) is 1164571014, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Phyllis Fiedler, PHD located?

The NPPES record lists a practice address at 8015 SE 28TH St, Mercer Island, WA, 98040. Phone: (206) 439-1762. Providers update this record themselves, so call before visiting.

How can I verify Phyllis Fiedler, PHD's license?

NPPES lists Washington license number 583, 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.

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.