ANNALIS ELIZABETH CASTILLO ACPNP
NPI 1538520606
Nurse Practitioner - Pediatrics, Critical Care in Park Ridge, IL

Q: What is Annalis Castillo's NPI number?

The NPI number for Annalis Castillo is 1538520606. It was assigned to this individual provider in the NPPES registry on March 16, 2016.

Q: What is Annalis Castillo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, Critical Care, with taxonomy code 363LP0222X.

Q: When was this NPI record last updated?

The NPPES record for Annalis Castillo was last updated on February 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 March 16, 2016PECOS Enrolled

1775 DEMPSTER ST, PARK RIDGE, IL 60068(847) 723-2210 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2025, Mar 16, 2016 (2 updates tracked since 2016).

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About Annalis Elizabeth Castillo Acpnp NPPES

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

ANNALIS ELIZABETH CASTILLO ACPNP (NPI 1538520606) is an individual pediatrics, critical care provider in Park Ridge, Illinois, licensed in Illinois (209.0.0613) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1538520606

Entity TypeIndividualFemale

Primary Taxonomy363LP0222X

Provider Legal NameANNALIS ELIZABETH CASTILLOCredential: ACPNP

Location Address1775 DEMPSTER STPark Ridge, IL 60068-1143

Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900

Phone(847) 723-2210

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateMarch 16, 2016

Last NPPES UpdateFebruary 19, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 19, 2026

✔ NPI 1538520606 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Pediatrics, Critical CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0222X

License✔ Licensed in IL · 209.0.0613

Also ListedNurse PractitionerTaxonomy 363L00000X · License 209.0.0613 (IL)

1775 DEMPSTER ST, Park Ridge, IL 60068

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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)

Annalis Elizabeth Castillo Acpnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820585391

PECOS Enrollment IDI20251017000118

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

Lutheran General Hospital

Same address

Cardiovascular Disease

1775 DEMPSTER ST
Park Ridge, IL 60068

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Advocate Health And Hospitals Corporation
4,870 clinicians in this Medicare group

NPI 1801809306 (847) 723-2210

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 60068 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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.

MS. STACEY K VILIONE PA-C

Physician Assistant (Surgical)