ANDREA WALLACE-TERWILLIGER T-LMHC
NPI 1114607793
Counselor - Mental Health in Red Oak, IA

Q: What is Andrea Wallace-terwilliger's NPI number?

The NPI number for Andrea Wallace-terwilliger is 1114607793. It was assigned to this individual provider in the NPPES registry on July 19, 2023.

Q: What is Andrea Wallace-terwilliger's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Active since July 19, 2023PECOS Enrolled

1977 G AVE, RED OAK, IA 51566(712) 623-6349(712) 623-6047 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 12, 2026, Jan 6, 2026, Jul 19, 2023 (3 updates tracked since 2023).

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About Andrea Wallace-terwilliger T-lmhc NPPES

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

ANDREA WALLACE-TERWILLIGER T-LMHC (NPI 1114607793) is an individual mental health provider in Red Oak, Iowa and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1114607793

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameANDREA WALLACE-TERWILLIGERCredential: T-LMHC

Location Address1977 G AVERed Oak, IA 51566-4474

Mailing AddressPo Box 115Shenandoah, IA 51601-0115

Phone(712) 623-6349

Fax(712) 623-6047

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateJuly 19, 2023

Last NPPES UpdateJanuary 12, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 12, 2026

✔ NPI 1114607793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

1977 G AVE, Red Oak, IA 51566

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, 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)

Andrea Wallace-terwilliger T-lmhc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3274029913

PECOS Enrollment IDI20251231002986

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 Andrea Wallace-terwilliger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Midwest Mental Health LLC

43 mi

Mental Health

523 W SHERIDAN AVE
Shenandoah, IA 51601

Reassigned Medicare billing, Iowa enrollment
11 clinicians in this Medicare group

NPI 1144695040 (712) 246-0159

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Andrea Wallace-terwilliger's NPI number?

The NPI number for Andrea Wallace-terwilliger is 1114607793. It was assigned to this individual provider in the NPPES registry on July 19, 2023.

Where is Andrea Wallace-terwilliger located?

Andrea Wallace-terwilliger practices at 1977 G Ave, Red Oak, IA 51566. The listed phone number is (712) 623-6349.

What is Andrea Wallace-terwilliger's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Andrea Wallace-terwilliger enrolled in Medicare?

Yes. Andrea Wallace-terwilliger is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrea Wallace-terwilliger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Wallace-terwilliger reassigns Medicare benefits to Midwest Mental Health LLC (Shenandoah, IA). 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 Andrea Wallace-terwilliger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Andrea Wallace-terwilliger accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Wellmark Health Plan of Iowa, Inc. list Andrea Wallace-terwilliger 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 Andrea Wallace-terwilliger was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.