Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JENNIFER LIETZAU NP
NPI 1649403395
Nurse Practitioner - Adult Health in La Crosse, WI

Q: What is Jennifer Lietzau's NPI number?

The NPI number for Jennifer Lietzau is 1649403395. It was assigned to this individual provider in the NPPES registry on August 28, 2009.

Q: What is Jennifer Lietzau's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Jennifer Lietzau was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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 August 28, 2009PECOS EnrolledAccepts Medicare Assignment

1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 11, 2026, Feb 7, 2022, Jul 28, 2021 (3 updates tracked since 2021).

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About Jennifer Lietzau Np NPPES

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

JENNIFER LIETZAU NP (NPI 1649403395) is an individual adult health provider in La Crosse, Wisconsin, licensed in Wisconsin (11673) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and maintains a secondary practice location in Strum.

NPPES Registry Identity

NPI1649403395

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameJENNIFER LIETZAUCredential: NP

Location Address1836 SOUTH AVELa Crosse, WI 54601-5429

Mailing Address208 Elm StStrum, WI 54770-7905

Phone(608) 782-7300

Sole ProprietorYes

Medical School CMSOtherGraduated 2021

Enumeration DateAugust 28, 2009

Last NPPES UpdateSeptember 11, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 11, 2026

✔ NPI 1649403395 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in WI · 11673

Also ListedOccupational TherapistTaxonomy 225X00000X · License 4742-026 (WI)

1836 SOUTH AVE, La Crosse, WI 54601

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Secondary Practice Location 1

Location 1208 Elm StStrum, WI 54770-7905 · Phone (715) 695-3140

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, HealthPartners, Quartz.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

Jennifer Lietzau Np 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 ID7618360728

PECOS Enrollment IDI20220214002111

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 Jennifer Lietzau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gundersen Lutheran Medical Center, Inc

Same address

Clinic/Center

1836 SOUTH AVE
La Crosse, WI 54601

Reassigned Medicare billing, Wisconsin enrollment
1,457 clinicians in this Medicare group

NPI 1689918377 (608) 782-7300

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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

175 services64 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

126 services44 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

31 services30 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

16 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Gundersen Lutheran Medical Center

Acute Care Hospitals · La Crosse, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520087

Location1910 South AveLa Crosse, WI 54601 · La Crosse County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54601 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.

JEFFREY BRIAN TROHKIMOINEN M.D.

Anesthesiology

1836 SOUTH AVE, GUNDERSEN CLINIC, LTD.
LA CROSSE, WI 54601

La Crosse County (608) 775-2031

JESSICA E THESING CRNA

Nurse Anesthetist, Certified Registered