MATHERS CLINIC LLC
NPI 1316237530
Psychiatry & Neurology - Psychiatry in Crystal Lake, IL
About Mathers Clinic Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATHERS CLINIC LLC (NPI 1316237530), doing business as Mathers Clinic, is a healthcare organization registered as a psychiatry in Crystal Lake, Illinois and active in the NPI registry since April 2011. The organization holds 2 active CLIA laboratory certificates, maintains 3 additional practice locations, and lists Robert Meyer, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 5
Other Names 1
Secondary Practice Locations 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mathers Clinic Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
23Medicare enrollment records show 23 clinicians reassign Medicare billing to Mathers Clinic LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 13 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 23Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA 2
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 14D2000820
Mathers Clinic LLC · Crystal Lake, ILCertificate of Waiver 14D2029662
Mathers Clinic LLC · Woodstock, ILFrequently 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 Mathers Clinic LLC's NPI number?
The NPI number for Mathers Clinic LLC is 1316237530. It was assigned to this organization in the NPPES registry on April 8, 2011. The provider is doing business as Mathers Clinic.
Where is Mathers Clinic LLC located?
Mathers Clinic LLC is located at 145 S Virginia St, Crystal Lake, IL 60014. The listed phone number is (815) 444-9999.
What is Mathers Clinic LLC's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Mathers Clinic LLC enrolled in Medicare?
Yes. Mathers Clinic LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mathers Clinic LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 23 clinicians in 5 Medicare specialties reassign their Medicare billing to Mathers Clinic LLC. 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. The largest specialties are Clinical Social Worker (9), Nurse Practitioner (7) and Clinical Psychologist (3). Of these, 3 practice at this address and 13 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Mathers Clinic LLC hold CLIA laboratory certificates?
Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.
What insurance does Mathers Clinic LLC accept?
Health plans from Ambetter Health list Mathers Clinic LLC 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 Mathers Clinic LLC was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Mathers Clinic Llc · NPI 1316237530
Psychiatry organization in Crystal Lake, Illinois. Organization record, active in the CMS NPPES registry since April 8, 2011.
## Identity
- **NPI:** 1316237530 (Entity type: Organization)
- **Enumerated:** April 8, 2011
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **Also known as:** Mathers Clinic (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Robert Meyer, OWNER
## Practice location
- **Address:** 145 S VIRGINIA ST, Crystal Lake, IL 60014-7226
- **Phone:** (815) 444-9999 · **Fax:** (815) 356-6680
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 23 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Social Worker (9), Nurse Practitioner (7), Clinical Psychologist (3); 3 practice at this address and 13 within 10 miles; [full list](https://npiprofile.com/npi/1316237530/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 26, 2025
- **CLIA laboratory certificates:** 2 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1316237530) · Data from the CMS NPPES public registry.