MS. CARRIE EILEEN MAHAR LCSW
NPI 1821363789
Social Worker in Rock Falls, IL

Active since March 12, 2012PECOS Enrolled
1300 W 2ND ST, ROCK FALLS, IL 61071(815) 626-2230 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Jul 13, 2017 (2 updates tracked since 2017).

About Ms. Carrie Eileen Mahar Lcsw NPPES

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

MS. CARRIE EILEEN MAHAR LCSW (NPI 1821363789) is an individual social worker in Rock Falls, Illinois and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821363789
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMS. CARRIE EILEEN MAHARCredential: LCSW
Location Address1300 W 2ND STRock Falls, IL 61071-1005
Mailing Address1300 W 2nd StRock Falls, IL 61071-1005 · (815) 626-2230
Sole ProprietorNo
Enumeration DateMarch 12, 2012
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1821363789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
1300 W 2ND ST, Rock Falls, IL 61071

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Carrie Eileen Mahar 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 Carrie Mahar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
1300 W 2ND ST
Rock Falls, IL 61071
  • Reassigned Medicare billing, Illinois enrollment
  • 8 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
1300 W 2ND ST
Rock Falls, IL 61071
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Whiteside County Community Health Clinic
  • 12 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.

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.

Physical Medicine & Rehabilitation (Pain Medicine)
1300 W 2ND ST
ROCK FALLS, IL 61071
Dentist
1300 W 2ND ST
ROCK FALLS, IL 61071
Nurse Practitioner (Family)
1300 W 2ND ST
ROCK FALLS, IL 61071
Registered Nurse
1300 W 2ND ST
ROCK FALLS, IL 61071
Nurse Practitioner
1300 W 2ND ST
ROCK FALLS, IL 61071
Family Medicine
1300 W 2ND ST
ROCK FALLS, IL 61071
Dentist (General Practice)
1300 W 2ND ST
ROCK FALLS, IL 61071
Physician Assistant
1300 W 2ND ST
ROCK FALLS, IL 61071

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 Carrie Mahar's NPI number?

The NPI number for Carrie Mahar is 1821363789. It was assigned to this individual provider in the NPPES registry on March 12, 2012.

Where is Carrie Mahar located?

Carrie Mahar practices at 1300 W 2nd St, Rock Falls, IL 61071. The listed phone number is (815) 626-2230.

What is Carrie Mahar's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Carrie Mahar enrolled in Medicare?

Yes. Carrie Mahar is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Carrie Mahar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carrie Mahar reassigns Medicare benefits to 2 organizations: County Of Whiteside (Rock Falls, IL) and County Of Whiteside (Rock Falls, 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 Carrie Mahar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carrie Mahar accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Carrie Mahar 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 Carrie Mahar was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.