Registry data as of Aug 27, 2026

Michelle Zeng, M.D

Internal Medicine Physician · Chicago, IL

Michelle Zeng, M.D is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1255665444, issued on Sep 22, 2009. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1255665444
Name
Michelle Zeng
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
234 W Cermak RD, Chicago, IL 60616
Phone
(312) 808-0880
Enumerated
Sep 22, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Michelle Zeng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

4.0 times the Medicare Part D claims of the average internal medicine physician in 2024

11,247 Medicare Part D claims for 632 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 92 claims were for opioids.

  1. Michelle Zeng11,247
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium953 claims
  2. Amlodipine Besylate715 claims
  3. Losartan Potassium567 claims
  4. Triamcinolone Acetonide418 claims
  5. Metformin Hcl415 claims
  6. Metoprolol Succinate348 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 Medicare quality score for 2023: 22.7 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.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%75.8
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities0 of 40 points · 15%0.0

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

3,291 internal medicine physician records list a Chicago practice address

They are 3,291 of the 63,379 NPPES records with a Chicago practice address, and 8,522 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Pamela Abadi, D.O.Winfield, IL1588820179
  3. Motaz Abas, MDPeoria, IL1215510201
  4. Elias Abate, M.D.Chicago, IL1336712199
  5. Maliha Abbas, D.O.Chicago, IL1174963920
  6. Zareena Abbas, MDChicago, IL1427078872
  7. Abu Abbasi, MDChicago, IL1083243877
  8. Ayesha Abbasi, MDChicago, IL1376216705
  9. Khalda Abbasi, MDNaperville, IL1487705240
  10. Misha Abbasi, MDChicago, IL1770111635

Common questions

What is Michelle Zeng, M.D's NPI number?

Michelle Zeng, M.D's National Provider Identifier (NPI) is 1255665444, issued on Sep 22, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Zeng, M.D located?

The NPPES record lists a practice address at 234 W Cermak RD, Chicago, IL, 60616. Phone: (312) 808-0880. Providers update this record themselves, so call before visiting.

How can I verify Michelle Zeng, M.D's license?

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 Michelle Zeng, M.D prescribe under Medicare Part D?

In 2024, Michelle Zeng, M.D had 11,247 Medicare Part D claims for 632 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Michelle Zeng, M.D's Medicare quality score?

The 2023 MIPS final score is 22.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.