I-Yuan Joseph Chang, M.D.
Diagnostic Radiology Physician · Dallas, TX
I-Yuan Joseph Chang, M.D. is a diagnostic radiology physician with a practice address in Dallas, Texas, and NPI 1386945921, issued on Nov 13, 2010. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- I-Yuan Joseph Chang
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 57.018162 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2222 Welborn St, Dallas, TX 75219
- Phone
- (214) 559-5000
- Enumerated
- Nov 13, 2010
- Record last updated
- Jul 27, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (214) 443-7309
- Medicare enrollment
- Enrolled (PECOS I20160813000092); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 2222 Welborn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify I-Yuan Joseph Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 93.7 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 2 group practices
- Avera St LukesPlano, TX
- Texas Scottish Rite Hospital For Crippled ChildrenDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
I-Yuan Joseph Chang among 3,124 diagnostic radiology physician records in Texas
I-Yuan Joseph Chang, M.D. is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 70% of them.
- NPI issued2010 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2010 · median 2003 among the 2,277 with a school on file
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
495 diagnostic radiology physician records list a practice address in Dallas
They are 495 of the 36,304 NPPES records with a practice address in Dallas, and 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in Dallas → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Gautam Agrawal, M.D.Dallas, TX 752191285717389
- Juliet Fallah, M.D.Dallas, TX 752191841275815
- Nepenthe Fong, MDDallas, TX 752191922185875
- Marchelle Giannini, M.D.Dallas, TX 752191174588503
- Marc Gosselin, MDDallas, TX 752191306854823
- Edward Herskovits, MDDallas, TX 752191568490605
- Gregory Johnson, MDDallas, TX 752191326025057
- Brian Kim, M.D.Dallas, TX 752191669558367
Common questions
What is I-Yuan Joseph Chang, M.D.'s NPI number?
I-Yuan Joseph Chang, M.D.'s National Provider Identifier (NPI) is 1386945921, issued on Nov 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is I-Yuan Joseph Chang, M.D. located?
The NPPES record lists a practice address at 2222 Welborn St, Dallas, TX, 75219. Phone: (214) 559-5000. Providers update this record themselves, so call before visiting.
How can I verify I-Yuan Joseph Chang, M.D.'s license?
Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is I-Yuan Joseph Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.7 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.