NPPES file of Aug 9, 2026

Lewis Li-Yen Hsu, M.D., PH.D.

Pediatric Hematology & Oncology Physician · Chicago, IL

Lewis Li-Yen Hsu, M.D., PH.D. is a pediatric hematology & oncology physician with a practice address in Chicago, Illinois, and NPI 1851357388, issued on Apr 24, 2006. Check the license (Illinois 036128130, 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
1851357388
Name
Lewis Li-Yen Hsu
Credential
M.D., PH.D.
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License numbers
036128130 IL
MD037835 DC
MD044248L PA
Self-reported in NPPES; status is on the state search
Practice location
1801 W Taylor St, Chicago, IL 60612
Phone
(312) 996-6143
Enumerated
Apr 24, 2006
Record last updated
Jan 5, 2022
Fax
(312) 413-9484
Medicaid IDs
00617746 GA
0019667210001 PA
617746B GA
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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Also registered at 1801 W Taylor St

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

  1. Khaled Abdelhady, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1811173156
  2. Aneet Ahluwalia, M.D.Internal Medicine Physician1538285416
  3. Omar Ahmed, MBBCHGastroenterology Physician1578183935
  4. Dalmina Arias, OTR/LOccupational Therapist1346758281
  5. Ayesha Arif, MDRheumatology Physician1205398534
  6. Iris Aronson, MDDermatology Physician1629153614

Verify Lewis Li-Yen Hsu 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 036128130
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score70.8
  2. Costout of 100 · 30%52.8
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $75.23

3 payments; by number, the most common kind was education; the largest payer was Pfizer Inc. The 1,215 providers of this specialty with any payment received $7,404.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lewis Hsu$75.23
  2. Specialty average$7,404.07

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

Lewis Li-Yen Hsu among 119 pediatric hematology & oncology physician records in Illinois

Lewis Li-Yen Hsu, M.D., PH.D. is one of 119 pediatric hematology & oncology physician records with a practice address in Illinois. 52% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 68% newer
  • In a Medicare fileYes · 52% of these records are
  • In the CMS Doctors and Clinicians fileNo · 37% of these records are
  • Record last updated2022 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Hematology & Oncology Physician providers in Illinois

There are 119 pediatric hematology & oncology physician records in Illinois.

The 8 pediatric hematology & oncology physician records with the nearest ZIP codes

  1. Dipti Dighe, MDChicago, IL 606121770876146
  2. Irene Eftekhar, M.D.Chicago, IL 606121326014077
  3. Ayah El-KhatibChicago, IL 606121730642539
  4. Lisa Giordano, MDChicago, IL 606121588785273
  5. Paul Kent, M.D.Chicago, IL 606121396770061
  6. Allen Korenblit, M.D.Chicago, IL 606121851322929
  7. Lilly Mathew, M.DChicago, IL 606121790804110
  8. Paige ReillyChicago, IL 606121205362092

Common questions

What is Lewis Li-Yen Hsu, M.D., PH.D.'s NPI number?

Lewis Li-Yen Hsu, M.D., PH.D.'s National Provider Identifier (NPI) is 1851357388, issued on Apr 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lewis Li-Yen Hsu, M.D., PH.D. located?

The NPPES record lists a practice address at 1801 W Taylor St, Chicago, IL, 60612. Phone: (312) 996-6143. Providers update this record themselves, so call before visiting.

How can I verify Lewis Li-Yen Hsu, M.D., PH.D.'s license?

NPPES lists Illinois license number 036128130, 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 Lewis Li-Yen Hsu, M.D., PH.D.'s MIPS final score?

The 2023 MIPS final score is 87.1 of 100, reported for the practice group. 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.