Ethan Chang, DO
Family Medicine Physician · Newcastle, WA
Ethan Chang, DO is a family medicine physician with a practice address in Newcastle, Washington, and NPI 1578004131, issued on Mar 16, 2017. Check the license (Washington OP61311708, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Ethan Chang
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OP61311708 WA
Self-reported in NPPES; status is on the state search - Practice location
- 7203 129TH Ave SE Ste 100, Newcastle, WA 98056
- Phone
- (425) 690-3455
- Enumerated
- Mar 16, 2017
- Record last updated
- Sep 15, 2023
- Fax
- (425) 690-9455
- Medicaid ID
- 2160428 WA
- Medicare enrollment
- Enrolled (PECOS I20230928003938); accepts Medicare assignment
- Medical or professional school
- Western University Of Health Sciences College Of Dental Med, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 7203 129TH Ave SE Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aditi Dhar, M.DFamily Medicine Physician1710331483
- Tess Lang, MDFamily Medicine Physician1306252143
- Angela Zhang, DOFamily Medicine Physician1710324454
Verify Ethan Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61311708Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,236 Medicare Part D claims for 193 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium96 claims
- Amlodipine Besylate69 claims
- Losartan Potassium64 claims
- Lisinopril46 claims
- Metformin Hcl43 claims
- Tamsulosin Hcl36 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): 97.9 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).
Bills Medicare through 3 group practices
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
- Valley Medical Group-RentonNewcastle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ethan Chang among 5,534 family medicine physician records in Washington
Ethan Chang, DO is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2009 among the 3,294 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 family medicine physician records list a practice address in Newcastle
They are 12 of the 138 NPPES records with a practice address in Newcastle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Newcastle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sumam AbrahamRenton, WA 980561003991837
- Shawn Akavan, M.D.Newcastle, WA 980561780882233
- Kirsten Andrews, M.D.Renton, WA 980561306061684
- Chris Bjarke, M.D.Renton, WA 980561730237348
- Heather Chibambo, MDNewcastle, WA 980561588814669
- Lawrence Klassen, M.D.Renton, WA 980561932238565
- Angela LawtonRenton, WA 980561750449088
- Leticia Maragh, MLNewcastle, WA 980561003022112
Common questions
What is Ethan Chang, DO's NPI number?
Ethan Chang, DO's National Provider Identifier (NPI) is 1578004131, issued on Mar 16, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ethan Chang, DO located?
The NPPES record lists a practice address at 7203 129TH Ave SE Ste 100, Newcastle, WA, 98056. Phone: (425) 690-3455. Providers update this record themselves, so call before visiting.
How can I verify Ethan Chang, DO's license?
NPPES lists Washington license number OP61311708, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ethan Chang, DO prescribe under Medicare Part D?
In 2024, Ethan Chang, DO had 1,236 Medicare Part D claims for 193 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ethan Chang, DO's MIPS final score?
The 2023 MIPS final score is 97.9 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.