JENNIFER ANN YESSA-KAST MSSW
NPI 1619933496
Social Worker in Middleton, WI

Active since April 21, 2006PECOS EnrolledAccepts Medicare Assignment
8383 GREENWAY BLVD STE 500, MIDDLETON, WI 53562(608) 274-0355(608) 274-5546 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 4, 2026, Jul 13, 2026 (2 updates tracked since 2026).

About Jennifer Ann Yessa-kast Mssw NPPES

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

JENNIFER ANN YESSA-KAST MSSW (NPI 1619933496) is an individual social worker in Middleton, Wisconsin, licensed in Wisconsin (6600) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1619933496
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameJENNIFER ANN YESSA-KASTCredential: MSSW
Location Address8383 GREENWAY BLVD STE 500Middleton, WI 53562-3529
Mailing Address8383 Greenway Blvd Ste 500Middleton, WI 53562-3529 · (608) 274-0355 · Fax (608) 274-5546
Fax(608) 274-5546
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateApril 21, 2006
Last NPPES UpdateAugust 4, 20262 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1619933496 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in WI · 6600
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
8383 GREENWAY BLVD STE 500, Middleton, WI 53562

Other Identifiers 1

Medicaid39760400WI

Accepted 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 Ann Yessa-kast Mssw 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 ID5193042570
PECOS Enrollment IDI20150324000255
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 Yessa-kast reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
8383 GREENWAY BLVD STE 500
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 18 clinicians in this Medicare group

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 17

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

Psychiatry & Neurology (Child & Adolescent Psychiatry)
8383 GREENWAY BLVD STE 500
MIDDLETON, WI 53562
Psychiatry & Neurology (Child & Adolescent Psychiatry)
8383 GREENWAY BLVD STE 500
MIDDLETON, WI 53562
Marriage & Family Therapist
8383 GREENWAY BLVD STE 500
MIDDLETON, WI 53562
Counselor (Professional)
8383 GREENWAY BLVD STE 500
MIDDLETON, WI 53562
Psychologist (Clinical)
8383 GREENWAY BLVD STE 500
MIDDLETON, WI 53562
Counselor (Professional)
8383 GREENWAY BLVD STE 500
MIDDLETON, WI 53562
Social Worker (Clinical)
8383 GREENWAY BLVD STE 500
MIDDLETON, WI 53562
Counselor (Professional)
8383 GREENWAY BLVD STE 500
MIDDLETON, WI 53562

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 Jennifer Yessa-kast's NPI number?

The NPI number for Jennifer Yessa-kast is 1619933496. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Where is Jennifer Yessa-kast located?

Jennifer Yessa-kast practices at 8383 Greenway Blvd Ste 500, Middleton, WI 53562. The listed phone number is (608) 274-0355.

What is Jennifer Yessa-kast's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Jennifer Yessa-kast enrolled in Medicare?

Yes. Jennifer Yessa-kast 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 Jennifer Yessa-kast's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Yessa-kast reassigns Medicare benefits to Madison Psychiatric Associates, Ltd. (Middleton, 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 Jennifer Yessa-kast's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Yessa-kast accept?

Health plans from Dean Health Plan and Quartz list Jennifer Yessa-kast 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 Jennifer Yessa-kast was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.