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MRS. LAUREN P MAYER APNP
NPI 1205232626
Nurse Practitioner - Pediatrics in Fort Atkinson, WI

Active since November 12, 2014PECOS Enrolled
611 SHERMAN AVE E, FORT ATKINSON, WI 53538(920) 563-5571 Get Directions Write a Review

NPPES record last updated: December 17, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 17, 2025, Oct 7, 2022, Dec 28, 2015 (3 updates tracked since 2015).

About Mrs. Lauren P Mayer Apnp NPPES

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

MRS. LAUREN P MAYER APNP (NPI 1205232626) is an individual pediatrics provider in Fort Atkinson, Wisconsin, licensed in Wisconsin (6098-33) and active in the NPI registry since November 2014. She is enrolled in Medicare PECOS and maintains a secondary practice location in Whitewater.

NPPES Registry Identity

NPI1205232626
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMRS. LAUREN P MAYERCredential: APNP
Location Address611 SHERMAN AVE EFort Atkinson, WI 53538-1960
Mailing AddressPo Box 249Fort Atkinson, WI 53538-0249 · (920) 563-5571
Phone(920) 563-5571
Sole ProprietorNo
Enumeration DateNovember 12, 2014
Last NPPES UpdateDecember 17, 20253 updates tracked since enumeration
NPPES CertifiedDecember 17, 2025
✔ NPI 1205232626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in WI · 6098-33
611 SHERMAN AVE E, Fort Atkinson, WI 53538
Open in Google Maps ↗

Other Names 1

Former Name (1)Lauren P Gruber Apnp

Secondary Practice Location 1

Location 11461 W Main StWhitewater, WI 53190-1568 · Phone (262) 473-5888

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Dean Health Plan, Group Health Cooperative-SCW 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)

Mrs. Lauren P Mayer Apnp 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 Lauren Mayer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fort Healthcare, Inc.
Same address
General Acute Care Hospital
611 SHERMAN AVE E
Fort Atkinson, WI 53538
  • Reassigned Medicare billing, Wisconsin enrollment
  • 298 clinicians in this Medicare group
NPI 1811916281 (920) 568-5000

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 53538 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 20

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

BONNIE L POPPY APNP
Nurse Practitioner
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 563-5571
PATRICIA A STECKELMANN P.A.
Physician Assistant
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5330
DR. ROBERT P SIEVERT D.O.
Emergency Medicine
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5330
THOMAS R. PERRY, M.D.,S.C.
Psychiatry & Neurology (Neurology)
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5334
ELIZABETH J HANS
Social Worker
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (608) 647-4705
DAWN ELIZABETH KUBLY PT
Physical Therapist
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5299
BRADLEY THOMAS WAGNER CRNA
Nurse Anesthetist, Certified Registered
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-5000
DEBORAH L ROE APNP
Nurse Practitioner (Adult Health)
611 SHERMAN AVE E
FORT ATKINSON, WI 53538
Jefferson County (920) 568-6090

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 Lauren Mayer's NPI number?

The NPI number for Lauren Mayer is 1205232626. It was assigned to this individual provider in the NPPES registry on November 12, 2014. The provider is also known as Lauren P Gruber Apnp.

Where is Lauren Mayer located?

Lauren Mayer practices at 611 Sherman Ave E, Fort Atkinson, WI 53538. The listed phone number is (920) 563-5571.

What is Lauren Mayer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Lauren Mayer enrolled in Medicare?

Yes. Lauren Mayer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lauren Mayer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Mayer reassigns Medicare benefits to Fort Healthcare, Inc. (Fort Atkinson, 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 Lauren Mayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lauren Mayer accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Group Health Cooperative-SCW, MercyCare and MercyCare Health Plans and 1 other insurer list Lauren Mayer 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 Lauren Mayer was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.