NPPES file of Aug 9, 2026

Maeve Maria O'Leary Sloan, PSYD

Clinical Psychologist · Seattle, WA

Maeve Maria O'Leary Sloan, PSYD is a clinical psychologist with a practice address in Seattle, Washington, and NPI 1336926633, issued on Sep 11, 2023. Check the license (Washington PY61510536, 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
1336926633
Name
Maeve Maria O'Leary Sloan
Credential
PSYD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PY61510536 WA
Self-reported in NPPES; status is on the state search
Practice location
4100 SW Alaska St Ste B, Seattle, WA 98116
Phone
(206) 590-1791
Enumerated
Sep 11, 2023
Record last updated
Apr 7, 2025
Fax
(206) 320-5506
Medicaid ID
2315220 WA
Medicare enrollment
Enrolled (PECOS I20241209003490); 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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8 nearest clinical psychologist records → All 1,675 in Washington → Look up another NPI →

Also registered at 4100 SW Alaska St Ste B

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

  1. Tyler Jensen, PSYDClinical Psychologist1316600968
  2. Matine Shenas, MDFamily Medicine Physician1396302592
  3. Manisha Thuparani, MDFamily Medicine Physician1447754684
  4. Shayna Waldbaum, MDFamily Medicine Physician1003442898
  5. Kaley Wypyszynski, ARNP, DNPFamily Nurse Practitioner1386435071

Verify Maeve Maria O'Leary Sloan 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 PY61510536    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. Swedish Health ServicesSeattle, WA

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

Maeve Maria O'Leary Sloan among 1,675 clinical psychologist records in Washington

Maeve Maria O'Leary Sloan, 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 2023, is newer than 94% of them.

  • NPI issued2023 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 23% of these records are
  • Graduated2021 · median 2009 among the 386 with a school on file
  • Record last updated2025 · 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).

594 clinical psychologist records list a practice address in Seattle

They are 594 of the 41,956 NPPES records with a practice address in Seattle, and 1,675 clinical psychologist records in Washington.

All 1,675 in Washington → Every provider in Seattle → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Holly Batchelder, PHDSeattle, WA 981161275147837
  2. Alexander Chang, PHDSeattle, WA 981161902385891
  3. Rebecca Chavez, PSY.D.Seattle, WA 981161477591279
  4. Alex Cook, PSYDSeattle, WA 981161891571915
  5. McKenna Cosottile, PHDSeattle, WA 981161326575960
  6. Jill Hangen, PSY.D.Seattle, WA 981161578928412
  7. Tyler Jensen, PSYDSeattle, WA 981161316600968
  8. Elizabeth Mackenzie, PH.D.Seattle, WA 981161780756965

Common questions

What is Maeve Maria O'Leary Sloan, PSYD's NPI number?

Maeve Maria O'Leary Sloan, PSYD's National Provider Identifier (NPI) is 1336926633, issued on Sep 11, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Maeve Maria O'Leary Sloan, PSYD located?

The NPPES record lists a practice address at 4100 SW Alaska St Ste B, Seattle, WA, 98116. Phone: (206) 590-1791. Providers update this record themselves, so call before visiting.

How can I verify Maeve Maria O'Leary Sloan, PSYD's license?

NPPES lists Washington license number PY61510536, 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.