GARY DEC AND ASSOCIATES, LLC
NPI 1477840304
Psychologist - Clinical in Winfield, IL
NPI Status: Active since June 29, 2011
Contact Information
1S115 GARDENER WAY
WINFIELD, IL
ZIP 60190
Phone: (630) 470-0237
- Organization
- Psychologist
- Clinical
About GARY DEC AND ASSOCIATES, LLC
This page provides the complete NPI Profile along with additional information for Gary Dec And Associates, Llc, a provider established in Winfield, Illinois operating as a Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1477840304 assigned on June 2011. The practitioner's primary taxonomy code is 103TC0700X with license number IL 71-3329 (IL). The provider is registered as an organization and their NPI record was last updated February 2026. Gary Dec And Associates, Llc 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 Dr. Gary R Dec Psy.d. (Psychologist)
- NPI
- 1477840304
- Provider Name
- GARY DEC AND ASSOCIATES, LLC
- Entity Type
- Organization
- Location Address
- 1S115 GARDENER WAY WINFIELD, IL 60190
- Location Phone
- (630) 470-0237
- Mailing Address
- 1S115 GARDENER WAY WINFIELD, IL 60190
- Mailing Phone
- (630) 470-0237
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 06-29-2011
- Last Update Date
- 02-09-2026
- Code Navigator
A clinical psychologist like Gary Dec And Associates, Llc assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.
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
Psychologist Clinical
- Taxonomy Code
- 103TC0700X
- Type
- Behavioral Health & Social Service Providers
- License No.
- IL 71-3329
- License State
- IL
- Taxonomy Description
- A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
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 1477840304, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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 56 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1477840304, enumerated as an "organization" on June 29, 2011.
The provider is located at 1S115 GARDENER WAY WINFIELD, IL 60190 and the phone number is (630) 470-0237.
Psychologist with taxonomy code 103TC0700X and a focus in Clinical.
