MYCELIUM MENTAL HEALTH PLLC
NPI 1245129170
Psychiatry & Neurology - Psychiatry in Libertyville, IL
About Mycelium Mental Health Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MYCELIUM MENTAL HEALTH PLLC (NPI 1245129170) is a healthcare organization registered as a psychiatry in Libertyville, Illinois and active in the NPI registry since July 2025. The organization lists Wendy You, Psychiatrist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mycelium Mental Health Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mycelium Mental Health PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Mycelium Mental Health PLLC's NPI number?
The NPI number for Mycelium Mental Health PLLC is 1245129170. It was assigned to this organization in the NPPES registry on July 3, 2025.
Where is Mycelium Mental Health PLLC located?
Mycelium Mental Health PLLC is located at 1590 S Milwaukee Ave Ste 210, Libertyville, IL 60048. The listed phone number is (847) 637-7516.
What is Mycelium Mental Health PLLC's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Mycelium Mental Health PLLC enrolled in Medicare?
Yes. Mycelium Mental Health PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mycelium Mental Health PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Mycelium Mental Health 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mycelium Mental Health PLLC was last updated on July 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Mycelium Mental Health Pllc · NPI 1245129170
Psychiatry organization in Libertyville, Illinois. Organization record, active in the CMS NPPES registry since July 3, 2025.
## Identity
- **NPI:** 1245129170 (Entity type: Organization)
- **Enumerated:** July 3, 2025
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **Organization subpart:** No
- **Authorized official:** Wendy You, PSYCHIATRIST
## Practice location
- **Address:** 1590 S MILWAUKEE AVE STE 210, Libertyville, IL 60048-3785
- **Phone:** (847) 637-7516
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Psychiatry) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1245129170) · Data from the CMS NPPES public registry.