Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SARAH PLUNKETT D.O.
NPI 1083142434
Hospitalist in Naperville, IL

Active since May 30, 2017PECOS Enrolled
801 S WASHINGTON ST, NAPERVILLE, IL 60540(630) 527-5197(630) 527-5526 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Sarah Plunkett D.o. NPPES

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

SARAH PLUNKETT D.O. (NPI 1083142434) is an individual hospitalist provider in Naperville, Illinois, licensed in Illinois (036152663) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Oak Lawn.

NPPES Registry Identity

NPI1083142434
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameSARAH PLUNKETTCredential: D.O.
Location Address801 S WASHINGTON STNaperville, IL 60540-7430
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315
Fax(630) 527-5526
Sole ProprietorNo
Enumeration DateMay 30, 2017
Last NPPES UpdateOctober 20, 2026
NPPES CertifiedOctober 20, 2026
✔ NPI 1083142434 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IL · 036152663
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedPediatricsTaxonomy 208000000X · License 036152663 (IL)
801 S WASHINGTON ST, Naperville, IL 60540

Secondary Practice Location 1

Location 14440 W 95th StOak Lawn, IL 60453-2600 · Phone (708) 684-5341

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sarah Plunkett D.o. 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 Reassignment

Medicare enrollment records show Sarah Plunkett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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 20

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

Pain Medicine (Interventional Pain Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Family Medicine (Hospice and Palliative Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
General Acute Care Hospital
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Internal Medicine (Infectious Disease)
801 S WASHINGTON ST, EDWARD HOSPITAL, ADMINISTRATION, VPMA OFFICE
NAPERVILLE, IL 60540
Radiology (Diagnostic Radiology)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540

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 Sarah Plunkett's NPI number?

The NPI number for Sarah Plunkett is 1083142434. It was assigned to this individual provider in the NPPES registry on May 30, 2017.

Where is Sarah Plunkett located?

Sarah Plunkett practices at 801 S Washington St, Naperville, IL 60540. The listed phone number is (630) 527-5197.

What is Sarah Plunkett's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Sarah Plunkett enrolled in Medicare?

Yes. Sarah Plunkett is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sarah Plunkett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Plunkett reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). The 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 Sarah Plunkett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sarah Plunkett was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.