MATHERS CLINIC LLC
NPI 1316237530
Psychiatry & Neurology - Psychiatry in Crystal Lake, IL

NPI Status: Active since April 08, 2011

Contact Information

145 S VIRGINIA ST
CRYSTAL LAKE, IL
ZIP 60014
Phone: (815) 444-9999
Fax: (815) 356-6680

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  • Organization
  • Psychiatry & Neurology
  • Psychiatry
  • Accepts Insurance
  • CLIA Number: 14D2029662
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 09-12-2027

About MATHERS CLINIC LLC

This page provides the complete NPI Profile along with additional information for Mathers Clinic Llc, a provider established in Crystal Lake, Illinois operating as a Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1316237530 assigned on April 2011. The practitioner's primary taxonomy code is 2084P0800X. The provider is registered as an organization and their NPI record was last updated one year ago. Mathers Clinic Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Dr. Robert Meyer (Owner)

NPI
1316237530
Provider Legal Name
MATHERS CLINIC LLC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
145 S VIRGINIA ST CRYSTAL LAKE, IL 60014
Location Phone
(815) 444-9999
Location Fax
(815) 356-6680
Mailing Address
145 S VIRGINIA ST CRYSTAL LAKE, IL 60014
Mailing Phone
(815) 444-9999
Mailing Fax
(815) 356-6680
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-08-2011
Last Update Date
09-26-2025
Code Navigator

A psychiatrist like Mathers Clinic Llc are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

Location Map

Secondary Locations

  • 420 Airport Rd Ste C
    Elgin, IL 60123
    (815) 444-9999
  • 101 Towne Centre Ln
    Fox Lake, IL 60020
    (815) 444-9999
  • 715 W Judd St
    Woodstock, IL 60098
    (815) 444-9999

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101Y00000XBehavioral Health & Social Service Providers

Counselor

36039266 (IL)
2103T00000XBehavioral Health & Social Service Providers

Psychologist

 
3207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

 
42084P0804XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Child & Adolescent Psychiatry

36039266 (IL)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Principal Bronze HSA - EPO
  • Principal Bronze HSA + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. ROBERT MEYER

Authorized Official Title
OWNER
Authorized Official Phone
(815) 444-9999

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
14D2029662
Facility Type
Physician Office
Certificate Effective Date
September 13, 2025
Certificate Expiration Date
September 12, 2027
Laboratory Director
SRIHARI B. VEMURI
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Mathers Clinic Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

Reviews for MATHERS CLINIC LLC

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1316237530, we treat the final digit (0) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
1
Doubled → 2
Pos 4
6
Unchanged
Pos 5
2
Doubled → 4
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
Check
0
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 2 → 4 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 2 + 6 + 4 + 3 + 1 + 4 + 5 + 6 + 24 = 60

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1316237530.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Community/Behavioral Health
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Registered Nurse (Psychiatric/Mental Health)
145 S VIRGINIA ST, SUITE C
CRYSTAL LAKE, IL 60014
Community/Behavioral Health
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Psychiatry & Neurology (Psychiatry)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Counselor (Mental Health)
145 S VIRGINIA ST, THE MATHERS CLINIC
CRYSTAL LAKE, IL 60014
Social Worker (Clinical)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Nurse Practitioner (Psychiatric/Mental Health)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Counselor (Mental Health)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Nurse Practitioner (Psychiatric/Mental Health)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Counselor (Mental Health)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Clinic/Center (Mental Health (Including Community Mental Health Center))
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Social Worker (Clinical)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Counselor
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Counselor (Professional)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Physician Assistant
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Nurse Practitioner (Psychiatric/Mental Health)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Psychiatry & Neurology (Addiction Medicine)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Social Worker (Clinical)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Nurse Practitioner (Psychiatric/Mental Health)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014
Nurse Practitioner (Psychiatric/Mental Health)
145 S VIRGINIA ST
CRYSTAL LAKE, IL 60014

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316237530, enumerated as an "organization" on April 08, 2011.

The provider is located at 145 S VIRGINIA ST CRYSTAL LAKE, IL 60014 and the phone number is (815) 444-9999.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter Health. Please consult your insurance carrier or call the provider to verify.