APERTURE PSYCHOTHERAPY, PLLC
NPI 1285587030
Counselor - Professional in Chicago, IL
NPI Status: Active since February 19, 2026
Contact Information
875 N MICHIGAN AVE # 3181
CHICAGO, IL
ZIP 60611
Phone: (312) 600-7842
- Organization
- Counselor
- Professional
About APERTURE PSYCHOTHERAPY, PLLC
This page provides the complete NPI Profile along with additional information for Aperture Psychotherapy, Pllc, a provider established in Chicago, Illinois operating as a Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1285587030 assigned on February 2026. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an organization and their NPI record was last updated April 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Daniel Nennig (Owner)
- NPI
- 1285587030
- Provider Name
- APERTURE PSYCHOTHERAPY, PLLC
- Entity Type
- Organization
- Location Address
- 875 N MICHIGAN AVE # 3181 CHICAGO, IL 60611
- Location Phone
- (312) 600-7842
- Mailing Address
- 875 N MICHIGAN AVE # 3181 CHICAGO, IL 60611
- Mailing Phone
- (312) 600-7842
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 02-19-2026
- Last Update Date
- 04-23-2026
- Code Navigator
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 Professional
- Taxonomy Code
- 101YP2500X
- Type
- Behavioral Health & Social Service Providers
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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 1285587030, 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.
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 60 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1285587030, enumerated as an "organization" on February 19, 2026.
The provider is located at 875 N MICHIGAN AVE # 3181 CHICAGO, IL 60611 and the phone number is (312) 600-7842.
Counselor with taxonomy code 101YP2500X and a focus in Professional.
