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MRS. CATHY ALVAREZ CPNP
NPI 1649426792
Nurse Practitioner - Pediatrics in Chicago, IL

Active since August 08, 2008PECOS Enrolled
6416 W BELMONT AVE, CHICAGO, IL 60634(773) 782-2800(773) 782-5042 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 9, 2026, Feb 3, 2026 (2 updates tracked since 2026).

About Mrs. Cathy Alvarez Cpnp NPPES

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

MRS. CATHY ALVAREZ CPNP (NPI 1649426792) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (209.005809) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1649426792
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMRS. CATHY ALVAREZCredential: CPNP
Location Address6416 W BELMONT AVEChicago, IL 60634-3921
Mailing Address6416 W Belmont AveChicago, IL 60634-3921 · (773) 782-2800 · Fax (773) 782-5042
Phone(773) 782-2800
Fax(773) 782-5042
Sole ProprietorNo
Enumeration DateAugust 8, 2008
Last NPPES UpdateSeptember 9, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1649426792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in IL · 209.005809
6416 W BELMONT AVE, Chicago, IL 60634
Open in Google Maps ↗

Secondary Practice Location 1

Location 13600 W Fullerton AveChicago, IL 60647-2319 · Phone (773) 782-2800 · Fax (773) 782-5042

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Cathy Alvarez Cpnp 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 Cathy Alvarez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Shriners Hospitals For Children
1.3 mi
Anesthesiology
2211 N OAK PARK AVE
Chicago, IL 60707
  • Reassigned Medicare billing, Illinois enrollment
  • 99 clinicians in this Medicare group
NPI 1326536574 (773) 622-3351

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 60634 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 4

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

INFANT WELFARE SOCIETY OF CHICAGO
Clinic/Center (Federally Qualified Health Center (FQHC))
6416 W BELMONT AVE
CHICAGO, IL 60634
Cook County (773) 782-2800
DR. MALGORZATA PRESSEN MD
Pediatrics
6416 W BELMONT AVE
CHICAGO, IL 60634
Cook County (773) 725-5400
PEDIATRIC CLINIC LTD.
Specialist
6416 W BELMONT AVE
CHICAGO, IL 60634
Cook County (773) 725-5400
DR. MARIA STAISZ MD
Pediatrics
6416 W BELMONT AVE
CHICAGO, IL 60634
Cook County (773) 725-5400

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 Cathy Alvarez's NPI number?

The NPI number for Cathy Alvarez is 1649426792. It was assigned to this individual provider in the NPPES registry on August 8, 2008.

Where is Cathy Alvarez located?

Cathy Alvarez practices at 6416 W Belmont Ave, Chicago, IL 60634. The listed phone number is (773) 782-2800.

What is Cathy Alvarez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Cathy Alvarez enrolled in Medicare?

Yes. Cathy Alvarez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Cathy Alvarez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cathy Alvarez reassigns Medicare benefits to Shriners Hospitals For Children (Chicago, IL). 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 Cathy Alvarez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cathy Alvarez accept?

Health plans from AmeriHealth Caritas Next and Oscar Health list Cathy Alvarez 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 Cathy Alvarez was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.