NPPES file of Aug 9, 2026

Ha Young Chang, PA-C

Physician Assistant · Seattle, WA

Ha Young Chang, PA-C is a physician assistant with a practice address in Seattle, Washington, and NPI 1245978790, issued on May 24, 2022. Check the license (Washington PA61413657, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245978790
Name
Ha Young Chang
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA61413657 WA
Self-reported in NPPES; status is on the state search
Practice location
1550 N 115TH St, Seattle, WA 98133
Phone
(206) 520-5000
Enumerated
May 24, 2022
Record last updated
Sep 27, 2023
Medicare enrollment
Enrolled (PECOS I20230619001251); 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 1550 N 115TH St

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

  1. Maureen AcholonuAdult Psychiatric/Mental Health Registered Nurse1326727447
  2. Frances Adelaja, MDHospitalist Physician1083111058
  3. Janvi Agrawal, MDStudent in an Organized Health Care Education/Training Program1619816014
  4. Nehizena Aihie, MDUrology Physician1215499793
  5. Mariam Alam, M.D.Dermatology Physician1811382237
  6. Ellen AlbertsAdult Health Clinical Nurse Specialist1215756739

Verify Ha Young 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 PA61413657
    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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71% fewer Medicare Part D claims than the average physician assistant in 2024

238 Medicare Part D claims for 105 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 67 claims were for opioids.

  1. Ha Young Chang238
  2. Specialty average830

Most prescribed

  1. Amoxicillin60 claims
  2. Oxycodone Hcl46 claims
  3. Celecoxib25 claims
  4. Cefadroxil14 claims
  5. Tramadol Hcl13 claims
  6. Cephalexin12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 3 group practices

  1. Select Outpatient Services IncGlenview, IL
  2. Select Rehabilitation, LLCGlenview, IL
  3. The Association OF University PhysiciansSeattle, WA

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

828 physician assistant records list a practice address in Seattle

They are 828 of the 41,956 NPPES records with a practice address in Seattle, and 3,718 physician assistant records in Washington.

Other physician assistant records in Washington

  1. Eric Abarr, PA-CMarysville, WA1598655292
  2. Ahmed Abdelshafy, PA-CCheney, WA1457029795
  3. Sihaam AbdiShoreline, WA1801758289
  4. Nicole Abdullah, PAWenatchee, WA1285032268
  5. Kimberly Abella-Cree, PA-CYakima, WA1548514292
  6. Buddhika AbeyratneOak Harbor, WA1104369560
  7. Danielle Abrass, PA-CSeattle, WA1184140717
  8. Abraham Abu, PA-CSeattle, WA1710036587
  9. Alvin AbuegEverett, WA1396132015
  10. Aaron Adam, PA-CVancouver, WA1447543459

Common questions

What is Ha Young Chang, PA-C's NPI number?

Ha Young Chang, PA-C's National Provider Identifier (NPI) is 1245978790, issued on May 24, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Ha Young Chang, PA-C located?

The NPPES record lists a practice address at 1550 N 115TH St, Seattle, WA, 98133. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.

How can I verify Ha Young Chang, PA-C's license?

NPPES lists Washington license number PA61413657, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Ha Young Chang, PA-C prescribe under Medicare Part D?

In 2024, Ha Young Chang, PA-C had 238 Medicare Part D claims for 105 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.