ALLIE GAVIN LCSW
NPI 1891386827
Social Worker - Clinical in Brookfield, WI

Active since February 02, 2021PECOS Enrolled
16535 W BLUEMOUND RD STE 200, BROOKFIELD, WI 53005(262) 999-3495 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 7, 2025, Nov 4, 2021, Feb 2, 2021 (3 updates tracked since 2021).

About Allie Gavin Lcsw NPPES

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

ALLIE GAVIN LCSW (NPI 1891386827) is an individual clinical provider in Brookfield, Wisconsin, licensed in Wisconsin (9488-123) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Mequon.

NPPES Registry Identity

NPI1891386827
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameALLIE GAVINCredential: LCSW
Location Address16535 W BLUEMOUND RD STE 200Brookfield, WI 53005-5906
Mailing Address4800 N Scottsdale Rd Ste 2500Scottsdale, AZ 85251-7630 · (262) 999-3495 · Fax (262) 335-6827
Sole ProprietorNo
Enumeration DateFebruary 2, 2021
Last NPPES UpdateJuly 7, 20253 updates tracked since enumeration
NPPES CertifiedJuly 7, 2025
✔ NPI 1891386827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in WI · 9488-123
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.
Also ListedSocial WorkerTaxonomy 104100000X · License 9488-123 (WI)
16535 W BLUEMOUND RD STE 200, Brookfield, WI 53005

Other Names 1

Former Name (1)Allie Iserloth Lcsw

Secondary Practice Location 1

Location 11045 W Glen Oaks Ln Ste 1Mequon, WI 53092-3477 · Phone (262) 241-7778 · Fax (262) 335-6827

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)

Allie Gavin 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 Allie Gavin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry
11501 N PORT WASHINGTON RD, SUITE 202
Mequon, WI 53092
  • Reassigned Medicare billing, Wisconsin enrollment
  • 14 clinicians in this Medicare group
Community/Behavioral Health
333 E. WASHINGTON STREET, SUITE 2100
West Bend, WI 53095
  • Reassigned Medicare billing, Wisconsin enrollment
  • 18 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53005 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 $53.90 – $163.24
Typical copayment $0.00 (range $13.47 – $40.81)
Most-billed visit code NA
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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.

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.

Counselor (Professional)
16535 W BLUEMOUND RD STE 200
BROOKFIELD, WI 53005
Dietitian, Registered
16535 W BLUEMOUND RD STE 200
BROOKFIELD, WI 53005
Social Worker (Clinical)
16535 W BLUEMOUND RD STE 200
BROOKFIELD, WI 53005
Counselor (Professional)
16535 W BLUEMOUND RD STE 200
BROOKFIELD, WI 53005
Psychologist (Clinical)
16535 W BLUEMOUND RD STE 200
BROOKFIELD, WI 53005
Counselor (Professional)
16535 W BLUEMOUND RD STE 200
BROOKFIELD, WI 53005
Psychologist (Clinical)
16535 W BLUEMOUND RD STE 200
BROOKFIELD, WI 53005
Counselor (Professional)
16535 W BLUEMOUND RD STE 200
BROOKFIELD, WI 53005

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 Allie Gavin's NPI number?

The NPI number for Allie Gavin is 1891386827. It was assigned to this individual provider in the NPPES registry on February 2, 2021. The provider is also known as Allie Iserloth Lcsw.

Where is Allie Gavin located?

Allie Gavin practices at 16535 W Bluemound Rd Ste 200, Brookfield, WI 53005. The listed phone number is (262) 999-3495.

What is Allie Gavin's specialty?

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

Is Allie Gavin enrolled in Medicare?

Yes. Allie Gavin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Allie Gavin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allie Gavin reassigns Medicare benefits to 2 organizations: Mequon Clinical Associates, Sc (Mequon, WI) and Washington County Wisconsin (West Bend, WI). 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 Allie Gavin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Allie Gavin accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan and Network Health list Allie Gavin 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 Allie Gavin was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.