Tiffany Yin Wong Chang, M.D.
Anatomic Pathology & Clinical Pathology Physician · Winfield, IL
Tiffany Yin Wong Chang, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Winfield, Illinois, and NPI 1396915021, issued on Mar 10, 2008. Check the license (Illinois 036112863, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Tiffany Yin Wong Chang
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 036112863 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield RD, Winfield, IL 60190
- Phone
- (630) 933-2048
- Enumerated
- Mar 10, 2008
- Record last updated
- Jun 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 036112863 IL
- Medicare enrollment
- Enrolled (PECOS I20080627000225); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 789 in Illinois → Look up another NPI →
Also registered at 25 N Winfield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tiffany Yin Wong Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036112863Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 92.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Winfield Pathology Consultants, S.C.Winfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Yin Wong Chang among 789 anatomic pathology & clinical pathology physician records in Illinois
Tiffany Yin Wong Chang, M.D. is one of 789 anatomic pathology & clinical pathology physician records with a practice address in Illinois. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 49% of them.
- NPI issued2008 · 49% of these records are older, 42% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2002 · median 2003 among the 396 with a school on file
- Record last updated2011 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 anatomic pathology & clinical pathology physician records list a practice address in Winfield
They are 8 of the 778 NPPES records with a practice address in Winfield, and 789 anatomic pathology & clinical pathology physician records in Illinois.
All 789 in Illinois → Every provider in Winfield → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Lawrence Ariano, M.D.Winfield, IL 601901679642383
- Sonya Clifford, M.D.Winfield, IL 601901366521544
- Bernard Huston, M.D.Winfield, IL 601901811067010
- Beth Johnson, M.D.Winfield, IL 601901134208317
- Philip Mehaffey, M.D.Winfield, IL 601901487723193
- Ajay Patel, M.D.Winfield, IL 601901396901088
- Stephanie Sitterding, M.D.Winfield, IL 601901144460825
- Melva Cohen, M.D.Hoffman Estates, IL 601941801878574
Common questions
What is Tiffany Yin Wong Chang, M.D.'s NPI number?
Tiffany Yin Wong Chang, M.D.'s National Provider Identifier (NPI) is 1396915021, issued on Mar 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Yin Wong Chang, M.D. located?
The NPPES record lists a practice address at 25 N Winfield RD, Winfield, IL, 60190. Phone: (630) 933-2048. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Yin Wong Chang, M.D.'s license?
NPPES lists Illinois license number 036112863, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Tiffany Yin Wong Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.9 of 100, reported for the practice group. 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.