FJ PSYCHOLOGICAL SERVICES
NPI 1730606575
Psychologist - Clinical in Volo, IL
NPI Status: Active since August 23, 2017
Contact Information
1127 ADAGIO DR
VOLO, IL
ZIP 60073
Phone: (224) 587-9128
- Organization
- Psychologist
- Clinical
- CLIA Number: 14D2251916
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 02-06-2028
About FJ PSYCHOLOGICAL SERVICES
This page provides the complete NPI Profile along with additional information for Fj Psychological Services, a provider established in Volo, Illinois operating as a Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1730606575 assigned on August 2017. The practitioner's primary taxonomy code is 103TC0700X with license number 071009064 (IL). The provider is registered as an organization and their NPI record was last updated February 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 Melissa Folk-jednoroz Psyd (Owner/therapist)
- NPI
- 1730606575
- Provider Name
- FJ PSYCHOLOGICAL SERVICES
- Entity Type
- Organization
- Location Address
- 1127 ADAGIO DR VOLO, IL 60073
- Location Phone
- (224) 587-9128
- Mailing Address
- 5400 W ELM ST STE 120 MCHENRY, IL 60050
- Mailing Phone
- (224) 587-9128
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-23-2017
- Last Update Date
- 02-27-2026
- Code Navigator
A clinical psychologist like Fj Psychological Services 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
Secondary Locations
- 5400 W Elm St Ste 120
McHenry, IL 60050
(815) 271-5645
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.
- 071009064
- 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 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.
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
- 14D2251916
- Facility Type
- Physician Office
- Certificate Effective Date
- February 07, 2026
- Certificate Expiration Date
- February 06, 2028
- Laboratory Director
- WENDY M. BELLETYNEE
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Fj Psychological Services 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.
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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 1730606575, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).
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 55 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1730606575, enumerated as an "organization" on August 23, 2017.
The provider is located at 1127 ADAGIO DR VOLO, IL 60073 and the phone number is (224) 587-9128.
Psychologist with taxonomy code 103TC0700X and a focus in Clinical.
