NPPES file of Aug 9, 2026

Michael Warso, M.D.

Surgery Physician · Chicago, IL

Michael Warso, M.D. is a surgery physician with a practice address in Chicago, Illinois, and NPI 1679676878, issued on Sep 6, 2006. Check the license (Illinois 036-063987, 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
1679676878
Name
Michael Warso
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
036-063987 IL
036063987 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
Sep 6, 2006
Record last updated
May 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100610000407); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1980
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

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 Warso 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 036-063987
    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

65% fewer Medicare Part D claims than the average surgery physician in 2024

51 Medicare Part D claims for 28 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 13 claims were for opioids.

  1. Michael Warso51
  2. Specialty average147

Most prescribed

  1. Tramadol Hcl12 claims
  2. Anastrozole11 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 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: $27.21

1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Warso$27.21
  2. Specialty average$3,513.80

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

  1. The Board OF Trustees OF The University OF IllinoisChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael Warso among 1,520 surgery physician records in Illinois

Michael Warso, M.D. is one of 1,520 surgery physician records with a practice address in Illinois. 66% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 64% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated1980 · median 2004 among the 650 with a school on file
  • Record last updated2021 · 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 208600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Illinois

There are 1,520 surgery physician records in Illinois.

The 8 surgery physician records with the nearest ZIP codes

  1. Amelia BartholomewChicago, IL 606121447356886
  2. Steven Bines, MDChicago, IL 606121609833086
  3. Steven Bonomo, MDChicago, IL 606121861478893
  4. Diane Drugas, M.D.Chicago, IL 606121457436776
  5. Burnetta Herron, M.D.Chicago, IL 606121841211513
  6. Chad Kessler, MDChicago, IL 606121386624948
  7. Katherine Liu, M.D.Chicago, IL 606121184673832
  8. Elizabeth Marcus, MDChicago, IL 606121457464638

Common questions

What is Michael Warso, M.D.'s NPI number?

Michael Warso, M.D.'s National Provider Identifier (NPI) is 1679676878, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Warso, M.D. 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 Warso, M.D.'s license?

NPPES lists Illinois license number 036-063987, 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 Warso, M.D. prescribe under Medicare Part D?

In 2024, Michael Warso, M.D. had 51 Medicare Part D claims for 28 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Michael Warso, M.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.