MARRA PLLC
NPI 1871185173
Counselor - Mental Health in Chicago, IL
NPI Status: Active since February 08, 2021
Contact Information
700 N GREEN ST
CHICAGO, IL
ZIP 60642
Phone: (312) 405-2784
- Organization
- Counselor
- Mental Health
About MARRA PLLC
This page provides the complete NPI Profile along with additional information for Marra Pllc, a provider established in Chicago, Illinois operating as a Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1871185173 assigned on February 2021. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an organization and their NPI record was last updated March 2026. Marra Pllc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Clara E Brennecke Lcpc (Owner)
- NPI
- 1871185173
- Provider Name
- MARRA PLLC
- Entity Type
- Organization
- Location Address
- 700 N GREEN ST CHICAGO, IL 60642
- Location Phone
- (312) 405-2784
- Mailing Address
- 200 W GRANDVIEW ST ELMHURST, IL 60126
- Mailing Phone
- (312) 405-2784
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 02-08-2021
- Last Update Date
- 03-17-2026
- Code Navigator
A mental health counselor like Marra Pllc provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.
Location Map
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
Counselor Mental Health
- Taxonomy Code
- 101YM0800X
- Type
- Behavioral Health & Social Service Providers
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) |
|---|---|---|---|---|
| 1 | 101Y00000X | Behavioral Health & Social Service Providers | Counselor |
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.
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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 1871185173, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 12 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1871185173, enumerated as an "organization" on February 08, 2021.
The provider is located at 700 N GREEN ST CHICAGO, IL 60642 and the phone number is (312) 405-2784.
Counselor with taxonomy code 101YM0800X and a focus in Mental Health.
