Wei-Chun Chang, M.D.
Internal Medicine Physician · Everett, WA
Wei-Chun Chang, M.D. is an internal medicine physician with a practice address in Everett, Washington, and NPI 1104112432, issued on Jun 24, 2011. Check the license (Washington MD60449962, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Wei-Chun Chang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD60449962 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1321 Colby Ave, Everett, WA 98201
- Phone
- (425) 261-2000
- Enumerated
- Jun 24, 2011
- Record last updated
- Mar 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140729001803); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1321 Colby Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jimmy Ahn, PHARMDAmbulatory Care Pharmacist1386020642
- Lindsy Alanis, MDInternal Medicine Physician1003826603
- Hermella AlemnehStudent in an Organized Health Care Education/Training Program1316635881
- Charles Altenberger, CRNACertified Registered Nurse Anesthetist1982633020
- Naa Afadua AnnohAdult Health Nurse Practitioner1588140073
- Veena Arani, MDInternal Medicine Physician1508152927
Verify Wei-Chun Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60449962Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
154 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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 one group practice
- Providence Health And Services- WashingtonEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
174 internal medicine physician records list a practice address in Everett
They are 174 of the 7,246 NPPES records with a practice address in Everett, and 3,079 internal medicine physician records in Washington.
All 174 in Everett → All 3,079 in Washington → Every provider in Everett →
Other internal medicine physician records in Washington
- Sheida Aalami, M.D.Seattle, WA1730573296
- Gloria AbacanProsser, WA1316040298
- Ahmad Abadullah, MDUniversity Place, WA1225005721
- Rebecca AbaySeattle, WA1528565520
- Naseer Abbas, MDTacoma, WA1962769380
- James Abbey, M.D.Anacortes, WA1447646039
- Joel Abbott, D.O.Tacoma, WA1477752723
- Paul Abdallah, MDSeattle, WA1639166119
- Abir Abdel-Kader, MDRichland, WA1649407081
- Hussein Abdille, MDSeattle, WA1588368831
Common questions
What is Wei-Chun Chang, M.D.'s NPI number?
Wei-Chun Chang, M.D.'s National Provider Identifier (NPI) is 1104112432, issued on Jun 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Wei-Chun Chang, M.D. located?
The NPPES record lists a practice address at 1321 Colby Ave, Everett, WA, 98201. Phone: (425) 261-2000. Providers update this record themselves, so call before visiting.
How can I verify Wei-Chun Chang, M.D.'s license?
NPPES lists Washington license number MD60449962, 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 Wei-Chun Chang, M.D. prescribe under Medicare Part D?
In 2024, Wei-Chun Chang, M.D. had 154 Medicare Part D claims for 63 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.