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MRS. MARY MARIE IHNENFELD LCSW
NPI 1194856054
Social Worker - Clinical in Aurora, IL

Active since March 09, 2007PECOS Enrolled
309 NEW INDIAN TRAIL COURT, AURORA, IL 60506(630) 966-4000 Get Directions Write a Review

NPPES record last updated: August 12, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Mary Marie Ihnenfeld Lcsw NPPES

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

MRS. MARY MARIE IHNENFELD LCSW (NPI 1194856054) is an individual clinical provider in Aurora, Illinois, licensed in Illinois (149-008331) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Aurora.

NPPES Registry Identity

NPI1194856054
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. MARY MARIE IHNENFELDCredential: LCSW
Location Address309 NEW INDIAN TRAIL COURTAurora, IL 60506
Mailing Address180 Alschuler DriveAurora, IL 60506 · (630) 966-4292 · Fax (630) 978-7962
Phone(630) 966-4000
Sole ProprietorNo
Enumeration DateMarch 9, 2007
Last NPPES UpdateAugust 12, 2021
NPPES CertifiedAugust 12, 2021
✔ NPI 1194856054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IL · 149-008331
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
309 NEW INDIAN TRAIL COURT, Aurora, IL 60506
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Secondary Practice Location 1

Location 170 S River StAurora, IL 60506-5185 · Phone (630) 844-2662

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Mary Marie Ihnenfeld Lcsw 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 Mary Ihnenfeld reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lighthouse Beacon, PLLC
5.6 mi
Adult Mental Health
2681 US HIGHWAY 34
Oswego, IL 60543
  • Reassigned Medicare billing, Illinois enrollment
NPI 1073495024 (779) 706-1095
Oswego Wellness, Inc
7.0 mi
Community/Behavioral Health
64 MAIN ST
Oswego, IL 60543
  • Reassigned Medicare billing, Illinois enrollment
  • 7 clinicians in this Medicare group
NPI 1912373069 (630) 519-1010

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 60506 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
$0.00 typical visit price
range $59.81 – $181.38
Typical copayment $0.00 (range $14.95 – $45.34)
Most-billed visit code NA
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Ihnenfeld's NPI number?

The NPI number for Mary Ihnenfeld is 1194856054. It was assigned to this individual provider in the NPPES registry on March 9, 2007.

Where is Mary Ihnenfeld located?

Mary Ihnenfeld practices at 309 New Indian Trail Court, Aurora, IL 60506. The listed phone number is (630) 966-4000.

What is Mary Ihnenfeld's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mary Ihnenfeld enrolled in Medicare?

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

Which organizations bill Medicare for Mary Ihnenfeld's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Ihnenfeld reassigns Medicare benefits to 2 organizations: Lighthouse Beacon, PLLC (Oswego, IL) and Oswego Wellness, Inc (Oswego, 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 Mary Ihnenfeld'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 Mary Ihnenfeld was last updated on August 12, 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.