Eric J. Chuang, M.D.
Internal Medicine Physician · Chicago, IL
Eric J. Chuang, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1124140207, issued on Apr 6, 2007. Check the license (Illinois 036100086, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Eric J. Chuang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036100086 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1044 N Francisco Ave, Chicago, IL 60622
- Phone
- (773) 292-8278
- Enumerated
- Apr 6, 2007
- Record last updated
- Jul 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110118000658); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1044 N Francisco Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rita Abejo, MDDiagnostic Radiology Physician1477509537
- Chowdary Adusumilli, M.D.Emergency Medicine Physician1922030147
- Sydney Ain, RN, AGACNPAcute Care Nurse Practitioner1043062268
- Dina Al-Joburi, D.O.Emergency Medicine Physician1154734192
- Syed Ali, DPMPodiatrist1285365288
- Mustafa Almukhtar, MDStudent in an Organized Health Care Education/Training Program1124967120
Verify Eric J. Chuang 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 036100086Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14.7 times the Medicare Part D claims of the average internal medicine physician in 2024
46,643 Medicare Part D claims for 1,316 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 132 claims were for opioids.
Most prescribed
- Atorvastatin Calcium2,748 claims
- Eliquis2,301 claims
- Amlodipine Besylate1,311 claims
- Gabapentin1,263 claims
- Levothyroxine Sodium1,186 claims
- Furosemide1,064 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): 7.7 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).
Industry payments in 2024: $151.03
2 payments; by number, the most common kind was education; the largest payer was Medical Device Business Services, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Eric Chuang MD, SCGlenview, IL
- Top Medical Consultants PCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric J. Chuang among 7,238 internal medicine physician records in Illinois
Eric J. Chuang, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 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 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1996 · median 2003 among the 3,580 with a school on file
- Record last updated2016 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rushdi Alul, DOChicago, IL 606221649365529
- Mila C Bacalla, MDChicago, IL 606221942288550
- Lyle Berkowitz, M.D.Chicago, IL 606221962457119
- Elmer Carasig, MDChicago, IL 606221871570960
- Niluardo Cay, M.D.Chicago, IL 606221588766646
- Lee Francis, M.D.Chicago, IL 606221114959913
- Vivek Gupta, M.D.Chicago, IL 606221376632976
- Qaiser Jamal, M.D.Chicago, IL 606221730129461
Common questions
What is Eric J. Chuang, M.D.'s NPI number?
Eric J. Chuang, M.D.'s National Provider Identifier (NPI) is 1124140207, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Eric J. Chuang, M.D. located?
The NPPES record lists a practice address at 1044 N Francisco Ave, Chicago, IL, 60622. Phone: (773) 292-8278. Providers update this record themselves, so call before visiting.
How can I verify Eric J. Chuang, M.D.'s license?
NPPES lists Illinois license number 036100086, 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 Eric J. Chuang, M.D. prescribe under Medicare Part D?
In 2024, Eric J. Chuang, M.D. had 46,643 Medicare Part D claims for 1,316 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Eric J. Chuang, M.D.'s MIPS final score?
The 2023 MIPS final score is 7.7 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.