NPPES file of Aug 9, 2026

Michael Seth Weinfeld, DO

Hematology & Oncology Physician · Chicago, IL

Michael Seth Weinfeld, DO is a hematology & oncology physician with a practice address in Chicago, Illinois, and NPI 1902435183, issued on Apr 8, 2020. Check the license (Illinois 036.177864, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902435183
Name
Michael Seth Weinfeld
Credential
DO
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
036.177864 IL
Self-reported in NPPES; status is on the state search
Practice location
1740 W Taylor St, Chicago, IL 60612
Phone
(866) 600-2273
Enumerated
Apr 8, 2020
Record last updated
Jul 20, 2026
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 1740 W Taylor St

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

  1. Francisco AbancoCertified Registered Nurse Anesthetist1255844288
  2. Leena Abbas, MDStudent in an Organized Health Care Education/Training Program1679376594
  3. Herand AbcarianColon & Rectal Surgery Physician1881792372
  4. Ivy AbrahamHematology & Oncology Physician1497172845
  5. Rohit Abraham, MD, MPH, MATPsychiatry Physician1013478932
  6. Ereni Abuaita, DOInternal Medicine Physician1013710961

Verify Michael Seth Weinfeld 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 036.177864
    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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89% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

96 Medicare Part D claims for 27 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. Michael Weinfeld96
  2. Specialty average877

Most prescribed

  1. Anastrozole25 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.

Industry payments in 2024: $498.38

9 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Weinfeld$498.38
  2. Specialty average$7,481.41

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

Michael Seth Weinfeld among 666 hematology & oncology physician records in Illinois

Michael Seth Weinfeld, DO is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.

  • NPI issued2020 · 92% of these records are older, 6% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Illinois

There are 666 hematology & oncology physician records in Illinois.

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

  1. Piernicola Boccuni, M.D.Chicago, IL 606121851451926
  2. Lisa Boggio, MDChicago, IL 606121336116151
  3. Rosalind Catchatourian, MDChicago, IL 606121881602092
  4. Carmel Chou, M.D.Chicago, IL 606121316024086
  5. Lawrence FeldmanChicago, IL 606121871607051
  6. Victor Gordeuk, MDChicago, IL 606121033270046
  7. William Leslie, M.D.Chicago, IL 606121538129275
  8. Robert Molokie, M.D.Chicago, IL 606121114969136

Common questions

What is Michael Seth Weinfeld, DO's NPI number?

Michael Seth Weinfeld, DO's National Provider Identifier (NPI) is 1902435183, issued on Apr 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Michael Seth Weinfeld, DO located?

The NPPES record lists a practice address at 1740 W Taylor St, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.

How can I verify Michael Seth Weinfeld, DO's license?

NPPES lists Illinois license number 036.177864, 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 Michael Seth Weinfeld, DO prescribe under Medicare Part D?

In 2024, Michael Seth Weinfeld, DO had 96 Medicare Part D claims for 27 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.