CHRISTY CHANG APNP
NPI 1023460110
Nurse Practitioner in Fond Du Lac, WI

Q: What is Christy Chang's NPI number?

The NPI number for Christy Chang is 1023460110. It was assigned to this individual provider in the NPPES registry on July 13, 2016.

Q: What is Christy Chang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Christy Chang was last updated on December 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.

Active since July 13, 2016PECOS Enrolled

430 E DIVISION ST, FOND DU LAC, WI 54935(920) 926-8200 Get Directions Write a Review

NPPES record last updated: December 20, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 20, 2024, Sep 4, 2024, Aug 19, 2024 and 3 more (6 updates tracked since 2016).

On this page

About Christy Chang Apnp NPPES

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

CHRISTY CHANG APNP (NPI 1023460110) is an individual nurse practitioner in Fond Du Lac, Wisconsin, licensed in Wisconsin (15421) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023460110

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameCHRISTY CHANGCredential: APNP

Location Address430 E DIVISION STFond Du Lac, WI 54935-4597

Mailing Address1720 N 7th StSheboygan, WI 53081-2720 · (920) 980-1349

Phone(920) 926-8200

Sole ProprietorYes

Enumeration DateJuly 13, 2016

Last NPPES UpdateDecember 20, 20246 updates tracked since enumeration

NPPES CertifiedDecember 20, 2024

✔ NPI 1023460110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in WI · 15421

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedLicensed Practical NurseTaxonomy 164W00000X · License 32088931 (WI)

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 1542133 (WI)

430 E DIVISION ST, Fond Du Lac, WI 54935

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christy Chang Apnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Christy Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Agnesian Healthcare, Inc

Same address

General Acute Care Hospital

430 E DIVISION ST
Fond Du Lac, WI 54935

Reassigned Medicare billing, Wisconsin enrollment
606 clinicians in this Medicare group

NPI 1346228541 (920) 929-2300

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

25 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54935 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 20

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

CLAIRE ELIZABETH KRIZMAN

Counselor (Mental Health)