Peng Ji, M.D., PH.D.
Clinical Pathology Physician · Chicago, IL
Peng Ji, M.D., PH.D. is a clinical pathology physician with a practice address in Chicago, Illinois, and NPI 1154639771, issued on Sep 16, 2010. Check the license (Illinois 125-058983, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Peng Ji
- Credential
- M.D., PH.D.
- Primary taxonomy
- Clinical Pathology Physician 207ZC0006X
- License number
- 125-058983 IL
Self-reported in NPPES; status is on the state search - Practice location
- 420 E Superior St, Chicago, IL 60611
- Phone
- (312) 503-4756
- Enumerated
- Sep 16, 2010
- Record last updated
- Feb 1, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170726003721); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical pathology physician records → All 15 in Illinois → Look up another NPI →
Also registered at 420 E Superior St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peng Ji 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 125-058983Check 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 MIPS final score for 2023 (Medicare payment program): 94.1 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: $11,000.00
1 payment: consulting fee; the largest payer was Beckman Coulter, Inc. The 86 providers of this specialty with any payment received $17,997.37 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 one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peng Ji among 15 clinical pathology physician records in Illinois
Peng Ji, M.D., PH.D. is one of 15 clinical pathology physician records with a practice address in Illinois. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 47% of them.
- NPI issued2010 · 47% of these records are older, 47% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Record last updated2017 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZC0006X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology Physician providers in Illinois
There are 15 clinical pathology physician records in Illinois.
All 15 in Illinois → Every provider in Chicago → Clinical Pathology Physician nationwide →
The 8 clinical pathology physician records with the nearest ZIP codes
- Christopher ChandlerChicago, IL 606111154713592
- Peter Lyon, MD, PHDChicago, IL 606111538007141
- Sally Campbell-Lee, M.D.Chicago, IL 606121669430773
- Karen FrankChicago, IL 606371366631533
- Angelica MoranChicago, IL 606371164878195
- William ZhangChicago, IL 606371508447947
- Haneefah Cummings, CF-SLPLincolnwood, IL 607121023658416
- Andrew Freeman, M.D.Evanston, IL 602011851880322
Common questions
What is Peng Ji, M.D., PH.D.'s NPI number?
Peng Ji, M.D., PH.D.'s National Provider Identifier (NPI) is 1154639771, issued on Sep 16, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Peng Ji, M.D., PH.D. located?
The NPPES record lists a practice address at 420 E Superior St, Chicago, IL, 60611. Phone: (312) 503-4756. Providers update this record themselves, so call before visiting.
How can I verify Peng Ji, M.D., PH.D.'s license?
NPPES lists Illinois license number 125-058983, 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 Peng Ji, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 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.