NPPES file of Aug 9, 2026

Dawen Zhang, M.D.

Rheumatology Physician · Naperville, IL

Dawen Zhang, M.D. is a rheumatology physician with a practice address in Naperville, Illinois, and NPI 1215341425, issued on Jun 16, 2014. Check the license (Illinois 036.149491, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215341425
Name
Dawen Zhang
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
036.149491 IL
125065309 IL
Self-reported in NPPES; status is on the state search
Practice location
1220 Hobson RD Ste 104, Naperville, IL 60540
Phone
(630) 961-2810
Enumerated
Jun 16, 2014
Record last updated
Aug 11, 2022
Fax
(630) 961-2658
Medicare enrollment
Enrolled (PECOS I20190813001823); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2014
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1220 Hobson RD Ste 104

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vevosulu Keyho, LSWSocial Worker1619783859

Verify Dawen Zhang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.149491
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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31% more Medicare Part D claims than the average rheumatology physician in 2024

2,590 Medicare Part D claims for 471 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 98 claims were for opioids.

  1. Dawen Zhang2,590
  2. Specialty average1,978

Most prescribed

  1. Hydroxychloroquine Sulfate398 claims
  2. Prednisone286 claims
  3. Allopurinol260 claims
  4. Methotrexate256 claims
  5. Colchicine164 claims
  6. Duloxetine Hcl94 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): 91.4 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.

  1. Qualityout of 100 · 30% of the final score82.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $155.63

6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dawen Zhang$155.63
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Endeavor Health Medical GroupElmhurst, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dawen Zhang among 340 rheumatology physician records in Illinois

Dawen Zhang, M.D. is one of 340 rheumatology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 79% of them.

  • NPI issued2014 · 79% of these records are older, 20% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2014 · median 2003 among the 244 with a school on file
  • Record last updated2022 · 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 207RR0500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Illinois

There are 340 rheumatology physician records in Illinois.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Nisha Dsilva, D.O.Naperville, IL 605401043551500
  2. Francis Lichon, MDNaperville, IL 605401437379435
  3. Farzan Mahmood, M.DNaperville, IL 605401841484961
  4. Michael Becker, MDBurr Ridge, IL 605271992867444
  5. Angela Crowley, M.D.Willowbrook, IL 605271205978475
  6. James Curran, MDBurr Ridge, IL 605271154483618
  7. Michael Ellman, MDBurr Ridge, IL 605271144382607
  8. Nadera Sweiss, MDBurr Ridge, IL 605271124181649

Common questions

What is Dawen Zhang, M.D.'s NPI number?

Dawen Zhang, M.D.'s National Provider Identifier (NPI) is 1215341425, issued on Jun 16, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Dawen Zhang, M.D. located?

The NPPES record lists a practice address at 1220 Hobson RD Ste 104, Naperville, IL, 60540. Phone: (630) 961-2810. Providers update this record themselves, so call before visiting.

How can I verify Dawen Zhang, M.D.'s license?

NPPES lists Illinois license number 036.149491, 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.

How much does Dawen Zhang, M.D. prescribe under Medicare Part D?

In 2024, Dawen Zhang, M.D. had 2,590 Medicare Part D claims for 471 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Dawen Zhang, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.4 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.