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ERIN JOYCE MISTER
NPI 1619645751
Counselor - Mental Health in Grayslake, IL

Active since September 02, 2021PECOS Enrolled
1190 E WASHINGTON ST, GRAYSLAKE, IL 60030(847) 549-2235 Get Directions Write a Review

NPPES record last updated: May 1, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Erin Joyce Mister NPPES

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

ERIN JOYCE MISTER (NPI 1619645751) is an individual mental health provider in Grayslake, Illinois, licensed in Illinois (37-2472748) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Mchenry.

NPPES Registry Identity

NPI1619645751
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameERIN JOYCE MISTER
Location Address1190 E WASHINGTON STGrayslake, IL 60030-7960
Mailing Address1190 E Washington StGrayslake, IL 60030-7960 · (847) 549-2235
Phone(847) 549-2235
Sole ProprietorNo
Enumeration DateSeptember 2, 2021
Last NPPES UpdateMay 1, 2024
NPPES CertifiedMay 1, 2024
✔ NPI 1619645751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IL · 37-2472748
1190 E WASHINGTON ST, Grayslake, IL 60030
Open in Google Maps ↗

Secondary Practice Location 1

Location 15342 W Elm StMcHenry, IL 60050-4029 · Phone (847) 931-2340

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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)

Erin Joyce Mister 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 Erin Mister reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Counseling Center Of Grayslake Ltd.
1.1 mi
Clinical
142 HAWLEY ST STE 5
Grayslake, IL 60030
  • Reassigned Medicare billing, Illinois enrollment
  • 22 clinicians in this Medicare group
NPI 1194267385 (847) 962-9549

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 20

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

KATHYRN ANNE BURGER
Counselor (Mental Health)
1190 E WASHINGTON ST
GRAYSLAKE, IL 60030
Lake County (847) 549-2235
LINDSAY ELIZABETH DEHAAN
Social Worker (Clinical)
1190 E WASHINGTON ST
GRAYSLAKE, IL 60030
Lake County (847) 549-2235
RENIKA HOWARD
Counselor (Mental Health)
1190 E WASHINGTON ST
GRAYSLAKE, IL 60030
Lake County (847) 549-2235
LAUREN ERICKSON LCSW
Social Worker (Clinical)
1190 E WASHINGTON ST
GRAYSLAKE, IL 60030
Lake County (847) 549-2235
JUSTIN ALEXANDER MILLER
Counselor (Professional)
1190 E WASHINGTON ST
GRAYSLAKE, IL 60030
Lake County (847) 549-2235
KELLY CALLEN MAGALLON MS
Counselor (Mental Health)
1190 E WASHINGTON ST
GRAYSLAKE, IL 60030
Lake County (847) 549-2235
KELLEN PRICE NCC, LPC
Counselor (Professional)
1190 E WASHINGTON ST
GRAYSLAKE, IL 60030
Lake County (847) 549-2235
PHILIP CELINSKI
Counselor (Mental Health)
1190 E WASHINGTON ST
GRAYSLAKE, IL 60030
Lake County (847) 549-2235

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 Erin Mister's NPI number?

The NPI number for Erin Mister is 1619645751. It was assigned to this individual provider in the NPPES registry on September 2, 2021.

Where is Erin Mister located?

Erin Mister practices at 1190 E Washington St, Grayslake, IL 60030. The listed phone number is (847) 549-2235.

What is Erin Mister's specialty?

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

Is Erin Mister enrolled in Medicare?

Yes. Erin Mister is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Erin Mister's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Mister reassigns Medicare benefits to Counseling Center Of Grayslake Ltd. (Grayslake, 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 Erin Mister's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin Mister accept?

Health plans from Oscar Health list Erin Mister 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 Erin Mister was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.