CLAUDIA MAZZANTI
NPI 1720545346
Counselor - Professional in Barrington, IL
About Claudia Mazzanti NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLAUDIA MAZZANTI (NPI 1720545346) is an individual professional provider in Barrington, Illinois and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fox River Grove, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Claudia Mazzanti is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Claudia Mazzanti reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Barrington, IL 60010
- Reassigned Medicare billing, Illinois enrollment
- 2 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.
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 Claudia Mazzanti's NPI number?
The NPI number for Claudia Mazzanti is 1720545346. It was assigned to this individual provider in the NPPES registry on March 1, 2019. The provider is also known as Claudia Estrada.
Where is Claudia Mazzanti located?
Claudia Mazzanti practices at 330 E Main St # 208, Barrington, IL 60010. The listed phone number is (847) 637-6700.
What is Claudia Mazzanti's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Claudia Mazzanti enrolled in Medicare?
Yes. Claudia Mazzanti is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Claudia Mazzanti's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Claudia Mazzanti reassigns Medicare benefits to Llamaste Counseling Group PLLC (Barrington, 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 Claudia Mazzanti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Claudia Mazzanti accept?
Health plans from Oscar Health and UnitedHealthcare list Claudia Mazzanti 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 Claudia Mazzanti was last updated on July 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Claudia Mazzanti · NPI 1720545346
Professional provider in Barrington, Illinois. Individual provider, active in the CMS NPPES registry since March 1, 2019.
## Identity
- **NPI:** 1720545346 (Entity type: Individual)
- **Enumerated:** March 1, 2019
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **Sole proprietor:** No
## Practice location
- **Address:** 330 E MAIN ST # 208, Barrington, IL 60010-3203
- **Phone:** (847) 637-6700
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Llamaste Counseling Group PLLC (NPI 1831917905, Barrington, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1720545346) · Data from the CMS NPPES public registry.