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SARA GROSSBIER LPC
NPI 1629667357
Counselor - Professional in Mequon, WI

Active since January 17, 2021PECOS EnrolledAccepts Medicare Assignment
11518 N PORT WASHINGTON RD STE 202, MEQUON, WI 53092(262) 244-6177(262) 299-3040 Get Directions Write a Review

NPPES record last updated: June 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 11, 2025, Apr 22, 2021, Mar 28, 2021 and 1 more (4 updates tracked since 2021).

About Sara Grossbier Lpc NPPES

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

SARA GROSSBIER LPC (NPI 1629667357) is an individual professional provider in Mequon, Wisconsin, licensed in Wisconsin (7772) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1629667357
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameSARA GROSSBIERCredential: LPC
Location Address11518 N PORT WASHINGTON RD STE 202Mequon, WI 53092-3443
Mailing Address1035 W Glen Oaks Ln Ste 110Mequon, WI 53092-3392 · (262) 244-6178 · Fax (262) 299-3040
Phone(262) 244-6177
Fax(262) 299-3040
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJanuary 17, 2021
Last NPPES UpdateJune 11, 20254 updates tracked since enumeration
NPPES CertifiedJune 11, 2025
✔ NPI 1629667357 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in WI · 7772
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
11518 N PORT WASHINGTON RD STE 202, Mequon, WI 53092
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Other Identifiers 1

Medicaid100161142WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan 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 and accepts Medicare assignment

Sara Grossbier Lpc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193236800
PECOS Enrollment IDI20250618002117
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 Sara Grossbier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cornerstone Counseling Services, Inc
17 mi
Mental Health
16535 W BLUEMOUND RD, SUITE 200
Brookfield, WI 53005
  • Reassigned Medicare billing, Wisconsin enrollment
  • 556 clinicians in this Medicare group
NPI 1033127246 (262) 789-1191

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.

LAUREN GRIFFITH LPC
Counselor (Professional)
11518 N PORT WASHINGTON RD STE 202
MEQUON, WI 53092
Ozaukee County (262) 244-6177
JOHN JOSEPH BARRETT LPC
Counselor (Professional)
11518 N PORT WASHINGTON RD STE 202
MEQUON, WI 53092
Ozaukee County (262) 777-8196
CHRISTINE WIELGOS LCSW
Social Worker (Clinical)
11518 N PORT WASHINGTON RD STE 202
MEQUON, WI 53092
Ozaukee County (262) 244-6177
HOLLY CHRISTINE HEUER LPC
Counselor (Professional)
11518 N PORT WASHINGTON RD STE 202
MEQUON, WI 53092
Ozaukee County (262) 999-2792
KRISTINE MARIE AMDOR LPC
Counselor (Professional)
11518 N PORT WASHINGTON RD STE 202
MEQUON, WI 53092
Ozaukee County (855) 443-1595
KATHY ANNE HERZOG LPC
Counselor (Professional)
11518 N PORT WASHINGTON RD STE 202
MEQUON, WI 53092
Ozaukee County (262) 244-6177
DR. BYRON C BLOEMER PH.D.
Psychologist
11518 N PORT WASHINGTON RD STE 202
MEQUON, WI 53092
Ozaukee County (262) 244-6177
AMBER M HEARING LCSW
Social Worker (Clinical)
11518 N PORT WASHINGTON RD STE 202
MEQUON, WI 53092
Ozaukee County (262) 244-6177

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 Sara Grossbier's NPI number?

The NPI number for Sara Grossbier is 1629667357. It was assigned to this individual provider in the NPPES registry on January 17, 2021.

Where is Sara Grossbier located?

Sara Grossbier practices at 11518 N Port Washington Rd Ste 202, Mequon, WI 53092. The listed phone number is (262) 244-6177.

What is Sara Grossbier's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Sara Grossbier enrolled in Medicare?

Yes. Sara Grossbier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Sara Grossbier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Grossbier reassigns Medicare benefits to Cornerstone Counseling Services, Inc (Brookfield, WI). 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 Sara Grossbier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Grossbier accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan, HealthPartners and Network Health and 2 other insurers list Sara Grossbier 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 Sara Grossbier was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.