MS. MARY EILEEN TWARDOWSKI ANP-BC
NPI 1376847707
Nurse Practitioner - Adult Health in Joliet, IL

Active since December 28, 2010PECOS Enrolled
3077 W JEFFERSON ST, SUITE 104, JOLIET, IL 60435(815) 744-6722(815) 744-6733 Get Directions Write a Review

NPPES record last updated: December 28, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Mary Eileen Twardowski Anp-bc NPPES

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

MS. MARY EILEEN TWARDOWSKI ANP-BC (NPI 1376847707) is an individual adult health provider in Joliet, Illinois, licensed in Illinois (209.008421) and active in the NPI registry since December 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376847707
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMS. MARY EILEEN TWARDOWSKICredential: ANP-BC
Location Address3077 W JEFFERSON ST, SUITE 104Joliet, IL 60435-5262
Mailing Address3077 W Jefferson St, Suite 104Joliet, IL 60435-5262 · (815) 744-6722 · Fax (815) 744-6733
Fax(815) 744-6733
Sole ProprietorNo
Enumeration DateDecember 28, 2010
NPI 1376847707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in IL · 209.008421
3077 W JEFFERSON ST, Joliet, IL 60435

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Mary Eileen Twardowski Anp-bc 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60435 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
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.

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.

Hospital bed, fixed height, with any type side rails, with mattress E0250
DME-Hospital Beds · category DB000N
1 supplier27 claims27 services$55.67 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 15

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

Counselor (Mental Health)
3077 W JEFFERSON ST
JOLIET, IL 60435
Otolaryngology
3077 W JEFFERSON ST, SUITE 206
JOLIET, IL 60435
Clinic/Center (Hearing and Speech)
3077 W JEFFERSON ST, SUITE 206
JOLIET, IL 60435
Clinic/Center (Medical Specialty)
3077 W JEFFERSON ST, SUITE 101
JOLIET, IL 60435
Clinic/Center (Medical Specialty)
3077 W JEFFERSON ST, SUITE 104
JOLIET, IL 60435
Audiologist
3077 W JEFFERSON ST, STE.206
JOLIET, IL 60435
Behavior Analyst
3077 W JEFFERSON ST, SUITE 203
JOLIET, IL 60435
Social Worker (School)
3077 W JEFFERSON ST, SUITE 108
JOLIET, IL 60435

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 Mary Twardowski's NPI number?

The NPI number for Mary Twardowski is 1376847707. It was assigned to this individual provider in the NPPES registry on December 28, 2010.

Where is Mary Twardowski located?

Mary Twardowski practices at 3077 W Jefferson St Suite 104, Joliet, IL 60435. The listed phone number is (815) 744-6722.

What is Mary Twardowski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Mary Twardowski enrolled in Medicare?

Yes. Mary Twardowski is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Twardowski was last updated on December 28, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.