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GRETHEL M HOKENSON APRN
NPI 1811385818
Nurse Practitioner - Psychiatric/Mental Health in Appleton, WI

Active since December 30, 2014PECOS EnrolledAccepts Medicare Assignment
2500 E ENTERPRISE AVE STE B, APPLETON, WI 54913(920) 416-8577(920) 416-8581 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 16, 2019, Aug 6, 2018 (2 updates tracked since 2018).

About Grethel M Hokenson Aprn NPPES

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

GRETHEL M HOKENSON APRN (NPI 1811385818) is an individual psychiatric/mental health provider in Appleton, Wisconsin, licensed in Wisconsin (8169) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1811385818
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameGRETHEL M HOKENSONCredential: APRN
Location Address2500 E ENTERPRISE AVE STE BAppleton, WI 54913-8556
Mailing Address1900 Silver Lake Rd Nw Ste 110New Brighton, MN 55112-1789 · (651) 628-9566 · Fax (651) 628-0411
Phone(920) 416-8577
Fax(920) 416-8581
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateDecember 30, 2014
Last NPPES UpdateFebruary 26, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2026
✔ NPI 1811385818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WI · 8169
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 8169 (WI)
Also ListedNurse Practitioner · PediatricsTaxonomy 363LP0200X · License 8169-33 (WI)
2500 E ENTERPRISE AVE STE B, Appleton, WI 54913
Open in Google Maps ↗

Other Identifiers 1

Medicaid1811385818WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Dean Health Plan, HealthPartners 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

Grethel M Hokenson Aprn 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 ID2961727789
PECOS Enrollment IDI20260217002177
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 Grethel Hokenson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nystrom & Associates Counseling Wi., S.C.
148 mi
Mental Health (Including Community Mental Health Center)
201 MAIN ST STE 500
La Crosse, WI 54601
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Nystrom & Associates Counseling Wi Sc
  • 133 clinicians in this Medicare group
NPI 1659977866 (651) 379-1750

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 54913 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 13

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

SUSANNE D WESLE LPC
Counselor (Professional)
2500 E ENTERPRISE AVE STE B
APPLETON, WI 54913
Outagamie County (920) 416-8577
SARAH JEAN MOTACEK LCSW
Social Worker (Clinical)
2500 E ENTERPRISE AVE STE B
APPLETON, WI 54913
Outagamie County (920) 416-8577
ELIJAH L FREEMAN MS, LPC
Counselor (Professional)
2500 E ENTERPRISE AVE STE B
APPLETON, WI 54913
Outagamie County (920) 416-8577
HEATHER MICHELE DUZYNSKI APNP, RN
Nurse Practitioner (Psychiatric/Mental Health)
2500 E ENTERPRISE AVE STE B
APPLETON, WI 54913
Outagamie County (920) 416-8577
GABRIELLE CASSANDRA JOCHMAN LCSW
Social Worker (Clinical)
2500 E ENTERPRISE AVE STE B
APPLETON, WI 54913
Outagamie County (920) 416-8577
PAUL J KLUZ LPC
Counselor (Professional)
2500 E ENTERPRISE AVE STE B
APPLETON, WI 54913
Outagamie County (920) 416-8577
BRYNN A SYTSMA PSY.D.
Psychologist (Clinical)
2500 E ENTERPRISE AVE STE B
APPLETON, WI 54913
Outagamie County (920) 416-8577
EMILY L SCHULTZ LCSW
Social Worker (Clinical)
2500 E ENTERPRISE AVE STE B
APPLETON, WI 54913
Outagamie County (920) 416-8577

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 Grethel Hokenson's NPI number?

The NPI number for Grethel Hokenson is 1811385818. It was assigned to this individual provider in the NPPES registry on December 30, 2014.

Where is Grethel Hokenson located?

Grethel Hokenson practices at 2500 E Enterprise Ave Ste B, Appleton, WI 54913. The listed phone number is (920) 416-8577.

What is Grethel Hokenson's specialty?

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

Is Grethel Hokenson enrolled in Medicare?

Yes. Grethel Hokenson 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 Grethel Hokenson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grethel Hokenson reassigns Medicare benefits to Nystrom & Associates Counseling Wi., S.C. (La Crosse, 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 Grethel Hokenson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Grethel Hokenson accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, HealthPartners, Medica and Quartz and 2 other insurers list Grethel Hokenson 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 Grethel Hokenson was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.