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KATE MAZZONE LCSW
NPI 1912709379
Counselor - Mental Health in Chicago, IL

Active since March 26, 2025PECOS EnrolledAccepts Medicare Assignment
1645 W JACKSON BLVD STE 600, CHICAGO, IL 60612(312) 942-0228 Get Directions Write a Review

NPPES record last updated: April 16, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Kate Mazzone Lcsw NPPES

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

KATE MAZZONE LCSW (NPI 1912709379) is an individual mental health provider in Chicago, Illinois, licensed in Illinois (149.020391) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1912709379
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKATE MAZZONECredential: LCSW
Location Address1645 W JACKSON BLVD STE 600Chicago, IL 60612-2847
Mailing Address1645 W Jackson Blvd Ste 600Chicago, IL 60612-2847
Phone(312) 942-0228
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 26, 2025
Last NPPES UpdateApril 16, 2025
NPPES CertifiedApril 16, 2025
✔ NPI 1912709379 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IL · 149.020391
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 149020391 (IL)
1645 W JACKSON BLVD STE 600, Chicago, IL 60612
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Kate Mazzone Lcsw 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 ID5395260285
PECOS Enrollment IDI20250423002812
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 Kate Mazzone reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rush University Medical Center
0.2 mi
Diagnostic Radiology
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush University Medical Group
  • 2,169 clinicians in this Medicare group
NPI 1184269425 (312) 563-4270

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 5

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

DR. MICHELLE GOLDWIN KAUFMAN PHD
Psychologist (Clinical)
1645 W JACKSON BLVD STE 600
CHICAGO, IL 60612
Cook County (312) 563-0224
MS. CAROLYN JEAN CASADY LCSW
Social Worker (Clinical)
1645 W JACKSON BLVD STE 600
CHICAGO, IL 60612
Cook County (312) 947-2986
ASHLEE NICOLE TAYLOR LSW
Social Worker
1645 W JACKSON BLVD STE 600
CHICAGO, IL 60612
Cook County (312) 563-6651
K RANGA RAMA KRISHNAN M.D.
Psychiatry & Neurology (Psychiatry)
1645 W JACKSON BLVD STE 600
CHICAGO, IL 60612
Cook County (312) 942-5372
LILLIAN S OBERLANDER
Nurse Practitioner (Psychiatric/Mental Health)
1645 W JACKSON BLVD STE 600
CHICAGO, IL 60612
Cook County (312) 563-6637

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 Kate Mazzone's NPI number?

The NPI number for Kate Mazzone is 1912709379. It was assigned to this individual provider in the NPPES registry on March 26, 2025.

Where is Kate Mazzone located?

Kate Mazzone practices at 1645 W Jackson Blvd Ste 600, Chicago, IL 60612. The listed phone number is (312) 942-0228.

What is Kate Mazzone's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Kate Mazzone enrolled in Medicare?

Yes. Kate Mazzone 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 Kate Mazzone's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kate Mazzone reassigns Medicare benefits to Rush University Medical Center (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 Kate Mazzone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kate Mazzone accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Kate Mazzone 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 Kate Mazzone was last updated on April 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.