Mary Chang
Physician Assistant · Seattle, WA
Mary Chang is a physician assistant with a practice address in Seattle, Washington, and NPI 1659470516, issued on Sep 21, 2006. Check the license (Washington PA60688813, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Chang
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA60688813 WA
0104555718 VA
Self-reported in NPPES; status is on the state search - Practice location
- 125 16TH Ave E, Seattle, WA 98112
- Phone
- (206) 326-3000
- Enumerated
- Sep 21, 2006
- Record last updated
- Oct 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 125 16TH Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arthur Abbott, M.D.Family Medicine Physician1255488847
- William Affolter, M.D.Family Medicine Physician1902953367
- Kanthi Akkineni, PA-CMedical Physician Assistant1346649282
- Nouredin Alebouyeh, M.D.Gastroenterology Physician1144454711
- Gregory Allen, M.D.Family Medicine Physician1760530026
- Abraham Alvarado-Gonzalez, MDNeurological Surgery Physician1346642501
Verify Mary Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60688813Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
27 Medicare Part D claims for 12 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Mary Chang among 3,718 physician assistant records in Washington
Mary Chang is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 80% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2016 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.
All 3,718 in Washington → Every provider in Seattle → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christopher Adrig, PA-CSeattle, WA 981121184606089
- Julie Conklin, PA-CSeattle, WA 981121801874748
- Melissa Glick, P.A.Seattle, WA 981121730178567
- Louis Holtzman, P.A.Seattle, WA 981121750430054
- Timothy Hunter, P.A.Seattle, WA 981121528102019
- Mahmood Kakar, PA-CSeattle, WA 981121093721789
- Amber Karr, PA-CSeattle, WA 981121548249592
- Joshua Rohr, PASeattle, WA 981121922151703
Common questions
What is Mary Chang's NPI number?
Mary Chang's National Provider Identifier (NPI) is 1659470516, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Chang located?
The NPPES record lists a practice address at 125 16TH Ave E, Seattle, WA, 98112. Phone: (206) 326-3000. Providers update this record themselves, so call before visiting.
How can I verify Mary Chang's license?
NPPES lists Washington license number PA60688813, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Chang prescribe under Medicare Part D?
In 2024, Mary Chang had 27 Medicare Part D claims for 12 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Mary Chang's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.