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LLAMASTE COUNSELING GROUP PLLC
NPI 1831917905
Counselor - Mental Health in Barrington, IL

Active since September 28, 2024
330 E MAIN ST STE 208, BARRINGTON, IL 60010(847) 637-6700 Get Directions Write a Review

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

Record update history: Mar 20, 2026, Sep 28, 2024 (2 updates tracked since 2024).

About Llamaste Counseling Group Pllc NPPES

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

LLAMASTE COUNSELING GROUP PLLC (NPI 1831917905) is a healthcare organization registered as a mental health in Barrington, Illinois and active in the NPI registry since September 2024. The organization lists Claudia Mazzanti, Owner, as its authorized official.

NPPES Registry Identity

NPI1831917905
Entity TypeOrganization
Primary Taxonomy101YM0800X
Legal Business NameLLAMASTE COUNSELING GROUP PLLC
Location Address330 E MAIN ST STE 208Barrington, IL 60010-3203
Mailing Address330 E Main St Ste 208Barrington, IL 60010-3203
Phone(847) 637-6700
Organization SubpartNo
Authorized OfficialClaudia MazzantiOwner · (847) 637-6700
Enumeration DateSeptember 28, 2024
Last NPPES UpdateMarch 20, 20262 updates tracked since enumeration
NPPES CertifiedMarch 20, 2026
✔ NPI 1831917905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
330 E MAIN ST STE 208, Barrington, IL 60010
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Llamaste Counseling Group Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Llamaste Counseling Group PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Claudia Mazzanti
Mental Health Counselor
NPI 1720545346
330 E MAIN ST # 208
Barrington, IL 60010
(847) 637-6700
✔ PECOSSame address
Janet Diep
Mental Health Counselor
NPI 1497510416
9 CRYSTAL LAKE RD STE 150
Lake In The Hills, IL 60156
(815) 324-3979
✔ PECOS9.8 mi

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 Llamaste Counseling Group PLLC's NPI number?

The NPI number for Llamaste Counseling Group PLLC is 1831917905. It was assigned to this organization in the NPPES registry on September 28, 2024.

Where is Llamaste Counseling Group PLLC located?

Llamaste Counseling Group PLLC is located at 330 E Main St Ste 208, Barrington, IL 60010. The listed phone number is (847) 637-6700.

What is Llamaste Counseling Group PLLC's specialty?

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

Is Llamaste Counseling Group PLLC enrolled in Medicare?

Yes. Llamaste Counseling Group PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Llamaste Counseling Group PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Mental Health Counselor, reassign their Medicare billing to Llamaste Counseling Group PLLC. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Llamaste Counseling Group PLLC was last updated on March 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.