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MS. LYNN L HOORNSTRA MS, LPC
NPI 1932372612
Counselor - Mental Health in Black River Falls, WI

Active since April 02, 2008PECOS EnrolledAccepts Medicare Assignment
409 COUNTY ROAD R, BLACK RIVER FALLS, WI 54615(715) 284-9477(715) 284-5547 Get Directions Write a Review

NPPES record last updated: August 11, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Lynn L Hoornstra Ms, Lpc NPPES

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

MS. LYNN L HOORNSTRA MS, LPC (NPI 1932372612) is an individual mental health provider in Black River Falls, Wisconsin, licensed in Wisconsin (3117125) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1932372612
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMS. LYNN L HOORNSTRACredential: MS, LPC
Location Address409 COUNTY ROAD RBlack River Falls, WI 54615-5129
Mailing Address1707 Main StLa Crosse, WI 54601-4200 · (608) 785-0001 · Fax (608) 785-0002
Phone(715) 284-9477
Fax(715) 284-5547
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateApril 2, 2008
Last NPPES UpdateAugust 11, 2010
✔ NPI 1932372612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in WI · 3117125
409 COUNTY ROAD R, Black River Falls, WI 54615
Open in Google Maps ↗

Other Identifiers 1

Medicaid39795300WI

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 and accepts Medicare assignment

Ms. Lynn L Hoornstra Ms, 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 ID6901256833
PECOS Enrollment IDI20231219001092
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 Lynn Hoornstra reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Service Associates, Sc
86 mi
Mental Health (Including Community Mental Health Center)
2901 HUNTERS TRL
Portage, WI 53901
  • Reassigned Medicare billing, Wisconsin enrollment
  • 44 clinicians in this Medicare group
NPI 1780610923 (608) 742-5518

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

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.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
93 services11 patients

Other Providers at the Same Location NPPES 5

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

KRISTIN BERG RN
Registered Nurse
409 COUNTY ROAD R
BLACK RIVER FALLS, WI 54615
Jackson County (715) 284-9477
CAROL ANN JARRETT
Case Manager/Care Coordinator
409 COUNTY ROAD R
BLACK RIVER FALLS, WI 54615
Jackson County (715) 284-9477
ROBERTA L HOLMAN MS, CADC
Counselor (Addiction (Substance Use Disorder))
409 COUNTY ROAD R
BLACK RIVER FALLS, WI 54615
Jackson County (715) 284-9477
CHERYL LYNN HANSON-LIU MS
Case Manager/Care Coordinator
409 COUNTY ROAD R
BLACK RIVER FALLS, WI 54615
Jackson County (715) 284-9477
LT RESOURCES
Community/Behavioral Health
409 COUNTY ROAD R
BLACK RIVER FALLS, WI 54615
Jackson County (715) 284-9477

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 Lynn Hoornstra's NPI number?

The NPI number for Lynn Hoornstra is 1932372612. It was assigned to this individual provider in the NPPES registry on April 2, 2008.

Where is Lynn Hoornstra located?

Lynn Hoornstra practices at 409 County Road R, Black River Falls, WI 54615. The listed phone number is (715) 284-9477.

What is Lynn Hoornstra's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Lynn Hoornstra enrolled in Medicare?

Yes. Lynn Hoornstra 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 Lynn Hoornstra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Hoornstra reassigns Medicare benefits to Community Service Associates, Sc (Portage, 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 Lynn Hoornstra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lynn Hoornstra accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Group Health Cooperative-SCW, HealthPartners and MercyCare and 4 other insurers list Lynn Hoornstra 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 Lynn Hoornstra was last updated on August 11, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.