NPPES file of Aug 9, 2026

Susan Johannsen, PSYD

Clinical Psychologist · Mill Creek, WA

Susan Johannsen, PSYD is a clinical psychologist with a practice address in Mill Creek, Washington, and NPI 1063026417, issued on Sep 2, 2020. Check the license (Washington PY61085331, 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
1063026417
Name
Susan Johannsen
Credential
PSYD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PY61085331 WA
Self-reported in NPPES; status is on the state search
Practice location
15418 Maint Street, Mill Creek, WA 98012
Phone
(425) 339-5453
Enumerated
Sep 2, 2020
Record last updated
Feb 16, 2023
Fax
(425) 252-4441
Medicare enrollment
Enrolled (PECOS I20210504001577); 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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Verify Susan Johannsen 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 PY61085331
    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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Bills Medicare through one group practice

  1. Optum Care Washington PLLCMill Creek, WA

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

Susan Johannsen among 1,675 clinical psychologist records in Washington

Susan Johannsen, PSYD is one of 1,675 clinical psychologist records with a practice address in Washington. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.

  • NPI issued2020 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 23% of these records are
  • Graduated2020 · median 2009 among the 386 with a school on file
  • Record last updated2023 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 clinical psychologist records list a practice address in Mill Creek

They are 12 of the 554 NPPES records with a practice address in Mill Creek, and 1,675 clinical psychologist records in Washington.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Adrianne Altman, PH.D.Mill Creek, WA 980121730365776
  2. Matthew De Haan, PSY.D.Mill Creek, WA 980121578870648
  3. Stephanie Garrison, PSYDMill Creek, WA 980121558599274
  4. Barbara Graham, PH.D.Mill Creek, WA 980121528390424
  5. Jennifer Gross, PSYDMill Creek, WA 980121023197951
  6. Megan Merriwether, PH.D., CDPMill Creek, WA 980121225209190
  7. Christian Quayle, PH.D.Mill Creek, WA 980121558438952
  8. David Rasmussen, PSY.D.Mill Creek, WA 980121699830364

Common questions

What is Susan Johannsen, PSYD's NPI number?

Susan Johannsen, PSYD's National Provider Identifier (NPI) is 1063026417, issued on Sep 2, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Susan Johannsen, PSYD located?

The NPPES record lists a practice address at 15418 Maint Street, Mill Creek, WA, 98012. Phone: (425) 339-5453. Providers update this record themselves, so call before visiting.

How can I verify Susan Johannsen, PSYD's license?

NPPES lists Washington license number PY61085331, 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.