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TAMMI M CASSIDY LPC
NPI 1275088577
Counselor - Professional in Oshkosh, WI

Active since August 17, 2016PECOS EnrolledAccepts Medicare Assignment
2935 UNIVERSAL CT STE 2, OSHKOSH, WI 54904(844) 697-8766(920) 416-8581 Get Directions Write a Review

NPPES record last updated: July 18, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 23, 2024, Aug 17, 2016 (2 updates tracked since 2016).

About Tammi M Cassidy Lpc NPPES

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

TAMMI M CASSIDY LPC (NPI 1275088577) is an individual professional provider in Oshkosh, Wisconsin, licensed in Wisconsin (4211-125) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Green Lake, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1275088577
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameTAMMI M CASSIDYCredential: LPC
Location Address2935 UNIVERSAL CT STE 2Oshkosh, WI 54904-6324
Mailing Address1900 Silver Lake Rd Nw Ste 110New Brighton, MN 55112-1789 · (651) 628-9566 · Fax (651) 628-0411
Phone(844) 697-8766
Fax(920) 416-8581
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateAugust 17, 2016
Last NPPES UpdateJuly 18, 20252 updates tracked since enumeration
NPPES CertifiedJuly 18, 2025
✔ NPI 1275088577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in WI · 4211-125
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
2935 UNIVERSAL CT STE 2, Oshkosh, WI 54904
Open in Google Maps ↗

Secondary Practice Location 1

Location 1571 County Road AGreen Lake, WI 54941-8630 · Phone (920) 294-4070 ext. 4169 · Fax (920) 294-4139

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) 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

Tammi M Cassidy 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 ID2365988623
PECOS Enrollment IDI20240723000829
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 Reassignments

2

Medicare enrollment records show Tammi Cassidy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rechek Psychotherapy Services LLC
15 mi
Mental Health
464 S HICKORY ST STE C
Fond Du Lac, WI 54935
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4 clinicians in this Medicare group
NPI 1841030814 (920) 266-8058
Nystrom & Associates Counseling Wi., S.C.
133 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.

Other Providers at the Same Location NPPES 12

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

EMILY R HERZFELDT
Counselor (Mental Health)
2935 UNIVERSAL CT STE 2
OSHKOSH, WI 54904
Winnebago County (844) 697-8766
KRISTJANA K RAHN PSYD, LP
Psychologist (Clinical)
2935 UNIVERSAL CT STE 2
OSHKOSH, WI 54904
Winnebago County (844) 697-8766
ALLISON CARRIE HARWOOD APNP
Nurse Practitioner (Psychiatric/Mental Health)
2935 UNIVERSAL CT STE 2
OSHKOSH, WI 54904
Winnebago County (920) 289-2665
KRISTIN JOY HAVEL LPC
Counselor (Mental Health)
2935 UNIVERSAL CT STE 2
OSHKOSH, WI 54904
Winnebago County (920) 718-7223
STEPHANIE ROSE RICHARDS
Counselor (Mental Health)
2935 UNIVERSAL CT STE 2
OSHKOSH, WI 54904
Winnebago County (920) 718-7223
JACQUELINE PAIGE BUERGER LPC
Counselor (Professional)
2935 UNIVERSAL CT STE 2
OSHKOSH, WI 54904
Winnebago County (844) 697-8766
ERIN R OXLEY PA-C
Physician Assistant
2935 UNIVERSAL CT STE 2
OSHKOSH, WI 54904
Winnebago County (844) 697-8766
ERICA E MICELE LCSW
Social Worker (Clinical)
2935 UNIVERSAL CT STE 2
OSHKOSH, WI 54904
Winnebago County (844) 697-8766

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 Tammi Cassidy's NPI number?

The NPI number for Tammi Cassidy is 1275088577. It was assigned to this individual provider in the NPPES registry on August 17, 2016.

Where is Tammi Cassidy located?

Tammi Cassidy practices at 2935 Universal Ct Ste 2, Oshkosh, WI 54904. The listed phone number is (844) 697-8766.

What is Tammi Cassidy's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Tammi Cassidy enrolled in Medicare?

Yes. Tammi Cassidy 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 organizations bill Medicare for Tammi Cassidy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammi Cassidy reassigns Medicare benefits to 2 organizations: Rechek Psychotherapy Services LLC (Fond Du Lac, WI) and Nystrom & Associates Counseling Wi., S.C. (La Crosse, WI). Each 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 Tammi Cassidy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tammi Cassidy accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), Dean Health Plan and HealthPartners and 3 other insurers list Tammi Cassidy 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 Tammi Cassidy was last updated on July 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.