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

KERI LYNN FATZINGER LCSW, CSAC
NPI 1972979227
Social Worker - Clinical in Lancaster, WI

Active since August 20, 2015PECOS Enrolled
200 W ALONA LN, LANCASTER, WI 53813(608) 723-6357(608) 723-4417 Get Directions Write a Review

NPPES record last updated: November 3, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 3, 2026, Jan 8, 2019 (2 updates tracked since 2019).

About Keri Lynn Fatzinger Lcsw, Csac NPPES

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

KERI LYNN FATZINGER LCSW, CSAC (NPI 1972979227) is an individual clinical provider in Lancaster, Wisconsin, licensed in Wisconsin (8736-123) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1972979227
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKERI LYNN FATZINGERCredential: LCSW, CSAC
Location Address200 W ALONA LNLancaster, WI 53813-2202
Mailing Address200 W Alona LnLancaster, WI 53813-2202 · (608) 723-6357 · Fax (608) 723-4417
Fax(608) 723-4417
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateAugust 20, 2015
Last NPPES UpdateNovember 3, 20262 updates tracked since enumeration
NPPES CertifiedNovember 3, 2026
✔ NPI 1972979227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in WI · 8736-123
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 16226-132 (WI)
200 W ALONA LN, Lancaster, WI 53813

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

Keri Lynn Fatzinger Lcsw, Csac 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 ID3779822184
PECOS Enrollment IDI20190301001592
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 Keri Fatzinger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community/Behavioral Health
200 W ALONA LN
Lancaster, WI 53813
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: County Of Grant
  • 5 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53813 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
$0.00 typical visit price
range $53.90 – $163.24
Typical copayment $0.00 (range $13.47 – $40.81)
Most-billed visit code NA
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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.

Counselor (Addiction (Substance Use Disorder))
200 W ALONA LN
LANCASTER, WI 53813
Speech-Language Pathologist
200 W ALONA LN
LANCASTER, WI 53813
Social Worker (Clinical)
200 W ALONA LN
LANCASTER, WI 53813
Occupational Therapist
200 W ALONA LN
LANCASTER, WI 53813
Counselor (Addiction (Substance Use Disorder))
200 W ALONA LN
LANCASTER, WI 53813
Marriage & Family Therapist
200 W ALONA LN
LANCASTER, WI 53813
Occupational Therapist
200 W ALONA LN
LANCASTER, WI 53813
Social Worker (Clinical)
200 W ALONA LN
LANCASTER, WI 53813

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 Keri Fatzinger's NPI number?

The NPI number for Keri Fatzinger is 1972979227. It was assigned to this individual provider in the NPPES registry on August 20, 2015.

Where is Keri Fatzinger located?

Keri Fatzinger practices at 200 W Alona Ln, Lancaster, WI 53813. The listed phone number is (608) 723-6357.

What is Keri Fatzinger's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Keri Fatzinger enrolled in Medicare?

Yes. Keri Fatzinger 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 Keri Fatzinger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keri Fatzinger reassigns Medicare benefits to County Of Grant Dba Unified Community Services (Lancaster, 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 Keri Fatzinger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Keri Fatzinger accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Group Health Cooperative-SCW, Medica and Quartz and 1 other insurer list Keri Fatzinger 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 Keri Fatzinger was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.