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STEPHEN LITTLETON MD
NPI 1841200409
Internal Medicine - Critical Care Medicine in Winfield, IL

Active since August 08, 2006PECOS Enrolled
25 WINFIELD ROAD, WINFIELD, IL 60190(630) 933-4700(630) 933-4721 Get Directions Write a Review

NPPES record last updated: April 19, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Stephen Littleton Md NPPES

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

STEPHEN LITTLETON MD (NPI 1841200409) is an individual critical care medicine provider in Winfield, Illinois, licensed in Illinois (036-110236) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841200409
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameSTEPHEN LITTLETONCredential: MD
Location Address25 WINFIELD ROADWinfield, IL 60190
Mailing Address25 Winfield RoadWinfield, IL 60190 · (630) 933-4700 · Fax (630) 933-4721
Phone(630) 933-4700
Fax(630) 933-4721
Sole ProprietorNo
Enumeration DateAugust 8, 2006
Last NPPES UpdateApril 19, 2021
NPPES CertifiedApril 19, 2021
✔ NPI 1841200409 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in IL · 036-110236
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 036-110236 (IL)
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 036110236 (IL)
Also ListedHospitalistTaxonomy 208M00000X · License 036110236 (IL)
25 WINFIELD ROAD, Winfield, IL 60190
Open in Google Maps ↗

Other Identifiers 4

Other36-3149833IL · Tax Identification Number
Medicaid036110236IL
Other0222075IL · Blue Cross Group Number
Other3631498336019001IL · Cdpg Hfs Payee Id

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 (PECOS)

Stephen Littleton Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Stephen Littleton reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Dupage Physician Group
4.2 mi
Family Medicine
5777 DEPARTMENT
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 1,664 clinicians in this Medicare group
NPI 1033149844 (630) 933-3300
Loyola University Medical Center
17 mi
General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group
NPI 1336159961 (708) 216-3215

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60190 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

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

EXPRESSIVE HEALTHCARE SOLUTIONS, INC.
Music Therapist
25 WINFIELD ROAD
WINFIELD, IL 60190
Dupage County (630) 750-0670
LAURA S LING D.O.
Pediatrics
25 WINFIELD ROAD, CENTRAL DU PAGE HOSPITAL
WINFIELD, IL 60190
Dupage County (630) 933-1600
ERNEST F DEJESUS MD
Internal Medicine (Nephrology)
25 WINFIELD ROAD, SUITE 414
WINFIELD, IL 60190
Dupage County (630) 690-1220
DAVID M GRGANTO MD
Family Medicine
25 WINFIELD ROAD
WINFIELD, IL 60190
Dupage County (630) 260-0600
MAURICE W BIRT MD
Family Medicine
25 WINFIELD ROAD
WINFIELD, IL 60190
Dupage County (630) 260-0600
STEPHANIE KLEBA MT-BC
Music Therapist
25 WINFIELD ROAD
WINFIELD, IL 60190
Dupage County (630) 750-0670
DAVID A COOKE MD
Internal Medicine (Cardiovascular Disease)
25 WINFIELD ROAD
WINFIELD, IL 60190
Dupage County (630) 933-4700
ANJU AGARWAL DO
Hospitalist
25 WINFIELD ROAD, 400
WINFIELD, IL 60190
Dupage County (630) 469-9200

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 Stephen Littleton's NPI number?

The NPI number for Stephen Littleton is 1841200409. It was assigned to this individual provider in the NPPES registry on August 8, 2006.

Where is Stephen Littleton located?

Stephen Littleton practices at 25 Winfield Road, Winfield, IL 60190. The listed phone number is (630) 933-4700.

What is Stephen Littleton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Stephen Littleton enrolled in Medicare?

Yes. Stephen Littleton is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stephen Littleton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Littleton reassigns Medicare benefits to 2 organizations: Central Dupage Physician Group (Carol Stream, IL) and Loyola University Medical Center (Maywood, 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 Stephen Littleton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Littleton accept?

Health plans from Oscar Health list Stephen Littleton 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.

When was this NPI record last updated?

The NPPES record for Stephen Littleton was last updated on April 19, 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.