NPPES file of Aug 9, 2026

Alexander Chang, PHD

Clinical Psychologist · Seattle, WA

Alexander Chang, PHD is a clinical psychologist with a practice address in Seattle, Washington, and NPI 1902385891, issued on Aug 10, 2018. Check the license (Washington PY70063749, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1902385891
Name
Alexander Chang
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PY70063749 WA
Self-reported in NPPES; status is on the state search
Practice location
4744 41St Ave SW Ste 101, Seattle, WA 98116
Phone
(206) 320-5780
Enumerated
Aug 10, 2018
Record last updated
Apr 23, 2026
Fax
(206) 320-5794
Medicaid ID
2376519 WA
Medicare enrollment
Enrolled (PECOS I20260311003696); may accept 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 4744 41St Ave SW Ste 101

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

  1. McKenna Cosottile, PHDClinical Psychologist1326575960
  2. Rebecca Cronin, MDPediatrics Physician1740454917
  3. Danielle Farris, ARNPPediatric Nurse Practitioner1487493144
  4. John Hawes, MDPediatrics Physician1205102407
  5. Daniel HibbardPediatrics Physician1972845089
  6. Jessica Ivers, M.D.Pediatrics Physician1831414077

Verify Alexander Chang 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 PY70063749
    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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Alexander Chang among 1,675 clinical psychologist records in Washington

Alexander Chang, PHD 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 not. Its NPI, issued in 2018, is newer than 83% of them.

  • NPI issued2018 · 83% of these records are older, 15% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 23% of these records are
  • Graduated2022 · median 2009 among the 386 with a school on file
  • Record last updated2026 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Holly Batchelder, PHDSeattle, WA 981161275147837
  2. Rebecca Chavez, PSY.D.Seattle, WA 981161477591279
  3. Alex Cook, PSYDSeattle, WA 981161891571915
  4. McKenna Cosottile, PHDSeattle, WA 981161326575960
  5. Jill Hangen, PSY.D.Seattle, WA 981161578928412
  6. Tyler Jensen, PSYDSeattle, WA 981161316600968
  7. Elizabeth Mackenzie, PH.D.Seattle, WA 981161780756965
  8. Anne Mueller, PHDSeattle, WA 981161962878058

Common questions

What is Alexander Chang, PHD's NPI number?

Alexander Chang, PHD's National Provider Identifier (NPI) is 1902385891, issued on Aug 10, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Chang, PHD located?

The NPPES record lists a practice address at 4744 41St Ave SW Ste 101, Seattle, WA, 98116. Phone: (206) 320-5780. Providers update this record themselves, so call before visiting.

How can I verify Alexander Chang, PHD's license?

NPPES lists Washington license number PY70063749, 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.