NPPES file of Aug 9, 2026

Chao Chen, M.D.

Family Medicine Physician · Chicago, IL

Chao Chen, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1326067075, issued on Jul 19, 2006. 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326067075
Name
Chao Chen
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
6259 S Cottage Grove Ave, Chicago, IL 60637
Phone
(773) 752-2767
Enumerated
Jul 19, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
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.
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Verify Chao Chen 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

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99% fewer Medicare Part D claims than the average family medicine physician in 2024

41 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Chao Chen41
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium12 claims
  2. Amlodipine-Valsartan11 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.

Chao Chen among 6,215 family medicine physician records in Illinois

Chao Chen, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Nasreen AnsariChicago, IL 606371992886717
  2. Stephen BennettChicago, IL 606371013978766
  3. Alex Dejong, D.O.Chicago, IL 606371235183476
  4. Richard DejongChicago, IL 606371871531103
  5. Amit JoshiChicago, IL 606371033163241
  6. Mwia Mutua, M.D.Chicago, IL 606371326434648
  7. Zachary Nankee, D.O.Chicago, IL 606371538514229
  8. Amy PannarallaChicago, IL 606371861430118

Common questions

What is Chao Chen, M.D.'s NPI number?

Chao Chen, M.D.'s National Provider Identifier (NPI) is 1326067075, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chao Chen, M.D. located?

The NPPES record lists a practice address at 6259 S Cottage Grove Ave, Chicago, IL, 60637. Phone: (773) 752-2767. Providers update this record themselves, so call before visiting.

How can I verify Chao Chen, 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 Chao Chen, M.D. prescribe under Medicare Part D?

In 2024, Chao Chen, M.D. had 41 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.