STEVEN PHILIP EWERT MD
NPI 1336350024
Anesthesiology in Winfield, IL
About Steven Philip Ewert Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN PHILIP EWERT MD (NPI 1336350024) is an individual anesthesiology provider in Winfield, Illinois, licensed in Illinois (036.120205) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and maintains a secondary practice location in Dallas.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Steven Philip Ewert Md 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.
Medicare Billing Reassignments
4Medicare enrollment records show Steven Ewert reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Rosemont, IL 60018
- Reassigned Medicare billing, Illinois enrollment
- 60 clinicians in this Medicare group
Oak Park, IL 60304
- Reassigned Medicare billing, Illinois enrollment
- 646 clinicians in this Medicare group
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 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILMedicare 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.
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.
WINFIELD, IL 60190
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 Steven Ewert's NPI number?
The NPI number for Steven Ewert is 1336350024. It was assigned to this individual provider in the NPPES registry on May 24, 2007.
Where is Steven Ewert located?
Steven Ewert practices at 25 N Winfield Rd, Winfield, IL 60190. The listed phone number is (630) 933-6675.
What is Steven Ewert's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Steven Ewert enrolled in Medicare?
Yes. Steven Ewert 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 Steven Ewert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Ewert reassigns Medicare benefits to 4 organizations: Central Dupage Physician Group (Carol Stream, IL), Northwestern Medical Faculty Foundation (Carol Stream, IL), West Central Anesthesiology Group Ltd (Rosemont, IL) and Mount Sinai Community Foundation (Oak Park, 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 Steven Ewert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Steven Ewert affiliated with any hospitals?
According to CMS data, Steven Ewert is affiliated with Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Steven Ewert was last updated on February 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Steven Philip Ewert, MD · NPI 1336350024
Anesthesiology physician in Winfield, Illinois. Individual provider, active in the CMS NPPES registry since May 24, 2007.
## Identity
- **NPI:** 1336350024 (Entity type: Individual)
- **Enumerated:** May 24, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 036.120205 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 N WINFIELD RD, Winfield, IL 60190-1379
- **Phone:** (630) 933-6675 · **Fax:** (630) 933-2614
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL); West Central Anesthesiology Group Ltd (NPI 1396785648, Rosemont, IL); Mount Sinai Community Foundation (NPI 1215046347, Oak Park, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2004
## Record status
- **NPPES last updated:** February 5, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1336350024) · Data from the CMS NPPES public registry.