GILLIAN G LETTRE NP
NPI 1194471292
Nurse Practitioner - Psychiatric/Mental Health in Grafton, WI

Q: What is Gillian Lettre's NPI number?

The NPI number for Gillian Lettre is 1194471292. It was assigned to this individual provider in the NPPES registry on February 28, 2022.

Q: What is Gillian Lettre's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Gillian Lettre was last updated on December 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.

Active since February 28, 2022PECOS Enrolled

1225 12TH AVE, GRAFTON, WI 53024(833) 711-1930 Get Directions Write a Review

NPPES record last updated: December 18, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 18, 2024, Sep 8, 2022, May 25, 2022 and 1 more (4 updates tracked since 2022).

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About Gillian G Lettre Np NPPES

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

GILLIAN G LETTRE NP (NPI 1194471292) is an individual psychiatric/mental health provider in Grafton, Wisconsin, licensed in Wisconsin (11857) and active in the NPI registry since February 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194471292

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameGILLIAN G LETTRECredential: NP

Location Address1225 12TH AVEGrafton, WI 53024-1923

Mailing Address1225 12th AveGrafton, WI 53024-1923

Phone(833) 711-1930

Sole ProprietorNo

Enumeration DateFebruary 28, 2022

Last NPPES UpdateDecember 18, 20244 updates tracked since enumeration

NPPES CertifiedDecember 18, 2024

✔ NPI 1194471292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in WI · 11857

Also ListedNurse PractitionerTaxonomy 363L00000X · License 11857 (WI)

1225 12TH AVE, Grafton, WI 53024

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Network Health, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gillian G Lettre Np 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 Gillian Lettre reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rehema Mental Wellness LLC

Same address

Psychiatric/Mental Health

1225 12TH AVE
Grafton, WI 53024

Reassigned Medicare billing, Wisconsin enrollment
3 clinicians in this Medicare group

NPI 1750145009 (833) 711-1970

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

50 services24 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

27 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53024 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

REUEL KAGAMBA MUIRURI NP

Nurse Practitioner (Psychiatric/Mental Health)

1225 12TH AVE
GRAFTON, WI 53024

Ozaukee County (833) 711-1970

REHEMA MENTAL WELLNESS LLC

Nurse Practitioner (Psychiatric/Mental Health)

1225 12TH AVE
GRAFTON, WI 53024

Ozaukee County (833) 711-1970

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 Gillian Lettre's NPI number?

The NPI number for Gillian Lettre is 1194471292. It was assigned to this individual provider in the NPPES registry on February 28, 2022.

Where is Gillian Lettre located?

Gillian Lettre practices at 1225 12th Ave, Grafton, WI 53024. The listed phone number is (833) 711-1930.

What is Gillian Lettre's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Gillian Lettre enrolled in Medicare?

Yes. Gillian Lettre is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gillian Lettre's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gillian Lettre reassigns Medicare benefits to Rehema Mental Wellness LLC (Grafton, 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 Gillian Lettre's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gillian Lettre accept?

Health plans from Anthem Blue Cross and Blue Shield, Network Health and UnitedHealthcare list Gillian Lettre 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 Gillian Lettre was last updated on December 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.