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MICHAEL WARSO M.D.
NPI 1679676878
Surgery in Chicago, IL

Active since September 06, 2006PECOS EnrolledAccepts Medicare Assignment
87.08/100
CMS Quality Rating
1740 W TAYLOR ST, CHICAGO, IL 60612(866) 600-2273 Get Directions Write a Review

NPPES record last updated: May 4, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 4, 2021, Jul 8, 2020 (2 updates tracked since 2020).

About Michael Warso M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL WARSO M.D. (NPI 1679676878) is an individual surgery provider in Chicago, Illinois, licensed in Illinois (036-063987) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1980).

NPPES Registry Identity

NPI1679676878
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameMICHAEL WARSOCredential: M.D.
Location Address1740 W TAYLOR STChicago, IL 60612-7232
Mailing Address840 S Wood St, 618 Csb, Mc 820Chicago, IL 60612-4325 · (312) 996-2653 · Fax (312) 996-9365
Phone(866) 600-2273
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1980
Enumeration DateSeptember 6, 2006
Last NPPES UpdateMay 4, 20212 updates tracked since enumeration
NPPES CertifiedMay 4, 2021
✔ NPI 1679676878 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in IL · 036-063987
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Surgical OncologyTaxonomy 2086X0206X · License 036063987 (IL)
1740 W TAYLOR ST, Chicago, IL 60612
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael Warso M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305976846
PECOS Enrollment IDI20100610000407
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Michael Warso reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Board Of Trustees Of The University Of Illinois
Same address
Anesthesiology
1740 W TAYLOR ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1013136282 (312) 996-4020
Cook County
0.4 mi
Family Medicine
605 S WOLCOTT AVE, SUITE 605
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
NPI 1912063439 (312) 864-4649
Mount Sinai Community Foundation Dba Sinai Medical Group
1.0 mi
Family Medicine
1859 S BLUE ISLAND AVE
Chicago, IL 60608
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Mount Sinai Community Foundation
  • 646 clinicians in this Medicare group
NPI 1407264583 (773) 738-3111

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
47 services37 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Illinois Hospital And Clinics

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number140150
Location1740 West Taylor St Suite 1400Chicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.79
Promoting Interoperability100
Improvement Activities40
Cost52.82

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type L8000
DME-Orthotic Devices · category DF000N
3 suppliers11 claims50 services$35.36 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. CATHLEEN CONWAY JENSEN OTR/L
Occupational Therapist
1740 W TAYLOR ST, C100
CHICAGO, IL 60612
Cook County (312) 996-3700
KELLY M HOYERT PA-C
Physician Assistant (Surgical)
1740 W TAYLOR ST, 3F OCC
CHICAGO, IL 60612
Cook County (312) 355-4300
DR. YI-LOONG COLIN WOON M.D.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
VIDHI SRIVASTAVA MD
Anesthesiology
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
AMY PHAM D.O.
Pediatrics (Neonatal-Perinatal Medicine)
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
WILSON CHING M.D.
Family Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
ADRIENNE BERMAN MD
Ophthalmology
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
JOSEPH S COLLA M.D.
Emergency Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (312) 996-8177

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Warso's NPI number?

The NPI number for Michael Warso is 1679676878. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Where is Michael Warso located?

Michael Warso practices at 1740 W Taylor St, Chicago, IL 60612. The listed phone number is (866) 600-2273.

What is Michael Warso's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Michael Warso enrolled in Medicare?

Yes. Michael Warso is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Michael Warso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Warso reassigns Medicare benefits to 3 organizations: Board Of Trustees Of The University Of Illinois (Chicago, IL), Cook County (Chicago, IL) and Mount Sinai Community Foundation Dba Sinai Medical Group (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Warso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Warso accept?

Health plans from Oscar Health list Michael Warso as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Warso affiliated with any hospitals?

According to CMS data, Michael Warso is affiliated with University Of Illinois Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Michael Warso was last updated on May 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.