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ERIN C DAY MSW, LSW, LCSW
NPI 1881173391
Social Worker in Indianapolis, IN

Active since August 07, 2018PECOS Enrolled
8401 HARCOURT RD, INDIANAPOLIS, IN 46260(317) 338-4600 Get Directions Write a Review

NPPES record last updated: January 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 12, 2019, Aug 7, 2018 (2 updates tracked since 2018).

About Erin C Day Msw, Lsw, Lcsw NPPES

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

ERIN C DAY MSW, LSW, LCSW (NPI 1881173391) is an individual social worker in Indianapolis, Indiana, licensed in Indiana (33008849A) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1881173391
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameERIN C DAYCredential: MSW, LSW, LCSW
Location Address8401 HARCOURT RDIndianapolis, IN 46260-2036
Mailing Address8401 Harcourt RdIndianapolis, IN 46260-2036
Phone(317) 338-4600
Sole ProprietorNo
Enumeration DateAugust 7, 2018
Last NPPES UpdateJanuary 16, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2025
✔ NPI 1881173391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Licenses✔ Licensed in IN · 33008849A✔ Licensed in IN · 34009049A
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.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 34009049A (IN)
8401 HARCOURT RD, Indianapolis, IN 46260
Open in Google Maps ↗

Secondary Practice Location 1

Location 15638 Professional CirIndianapolis, IN 46241-5042 · Phone (888) 714-1927 · Fax (317) 745-9565

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Erin C Day Msw, Lsw, 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 Reassignment

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

St. Vincent Hospital & Health Care Center, Inc.
Same address
Psychiatry
8401 HARCOURT RD
Indianapolis, IN 46260
  • Reassigned Medicare billing, Indiana enrollment
  • 99 clinicians in this Medicare group
NPI 1689869893 (317) 338-4600

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.

ELIZABETH J MALCOM LMHC
Counselor (Mental Health)
8401 HARCOURT RD
INDIANAPOLIS, IN 46260
Marion County (317) 338-4600
ST. VINCENT HOSPITAL & HEALTH CARE CENTER, INC.
Psychiatric Unit
8401 HARCOURT RD
INDIANAPOLIS, IN 46260
Marion County (317) 338-4600
JULIE KATHRYN WREN-ROCKWOOD LCSW
Counselor (Mental Health)
8401 HARCOURT RD
INDIANAPOLIS, IN 46260
Marion County (317) 338-4764
MEGAN MARGARET POLTE LCSW
Social Worker (Clinical)
8401 HARCOURT RD
INDIANAPOLIS, IN 46260
Marion County (317) 338-4703
CHREASE COLEMAN LMHCA
Counselor (Mental Health)
8401 HARCOURT RD
INDIANAPOLIS, IN 46260
Marion County (317) 338-4600
REBECCA M BRUNER LCSW
Social Worker (Clinical)
8401 HARCOURT RD
INDIANAPOLIS, IN 46260
Marion County (317) 338-4850
JESSECA WARDWELL WASHBURN NP
Nurse Practitioner (Psychiatric/Mental Health)
8401 HARCOURT RD
INDIANAPOLIS, IN 46260
Marion County (317) 338-4600
JULIA LIEBERMAN LCSW
Social Worker (Clinical)
8401 HARCOURT RD
INDIANAPOLIS, IN 46260
Marion County (317) 506-3747

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 Erin Day's NPI number?

The NPI number for Erin Day is 1881173391. It was assigned to this individual provider in the NPPES registry on August 7, 2018.

Where is Erin Day located?

Erin Day practices at 8401 Harcourt Rd, Indianapolis, IN 46260. The listed phone number is (317) 338-4600.

What is Erin Day's specialty?

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

Is Erin Day enrolled in Medicare?

Yes. Erin Day is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Erin Day's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Day reassigns Medicare benefits to St. Vincent Hospital & Health Care Center, Inc. (Indianapolis, IN). 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 Erin Day's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin Day accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Erin Day 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 Erin Day was last updated on January 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.