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

ELLEN RABAUT DNP
NPI 1508581851
Nurse Practitioner - Family in Chicago, IL

Q: What is Ellen Rabaut's NPI number?

The NPI number for Ellen Rabaut is 1508581851. It was assigned to this individual provider in the NPPES registry on October 10, 2022. The provider is also known as Ellen Walukas.

Q: What is Ellen Rabaut's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Ellen Rabaut was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.

Active since October 10, 2022PECOS EnrolledAccepts Medicare Assignment

1541 W DEVON AVE, CHICAGO, IL 60660(773) 250-5222(773) 866-8018 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Jun 16, 2025, Oct 10, 2022 (3 updates tracked since 2022).

On this page

About Ellen Rabaut Dnp NPPES

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

ELLEN RABAUT DNP (NPI 1508581851) is an individual family provider in Chicago, Illinois, licensed in Illinois (209.029563) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS, is affiliated with Swedish Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1508581851

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameELLEN RABAUTCredential: DNP

Location Address1541 W DEVON AVEChicago, IL 60660-1313

Mailing AddressPo Box 746715Atlanta, GA 30374-6715 · (773) 250-5222 · Fax (773) 866-8018

Phone(773) 250-5222

Fax(773) 866-8018

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateOctober 10, 2022

Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 29, 2026

✔ NPI 1508581851 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

Licenses✔ Licensed in IL · 209.029563✔ Licensed in MI · 4704344232

1541 W DEVON AVE, Chicago, IL 60660

Open in Google Maps ↗

Other Names 1

Former Name (1)Ellen Walukas

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

Ellen Rabaut Dnp 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 ID4284004946

PECOS Enrollment IDI20240610003480

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 Ellen Rabaut reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Oak Street Health Physicians Group, PC

20 mi

Primary Care

1715 E 95TH ST
Chicago, IL 60617

Reassigned Medicare billing, Illinois enrollment
343 clinicians in this Medicare group

NPI 1083051643 (773) 768-4437

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 10

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.

79 services74 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

62 services60 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

42 services31 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

27 services27 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

24 services24 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Swedish Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140114

Location5145 N California AveChicago, IL 60625 · Cook County

Emergency services Birthing friendly

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140182

Location836 West Wellington AvenueChicago, IL 60657 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60660 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

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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 15

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

MS. GIANNA NOELLE MARTELLI LCSW

Social Worker (Clinical)