DR. RICHARD ARTHUR BLAK PH.D.
NPI 1447476015
Psychologist - Forensic in Fresno, CA
NPI Status: Active since April 18, 2007
Contact Information
7341 N 1ST ST
SUITE 110
FRESNO, CA
ZIP 93720
Phone: (559) 431-8893
- Individual
- Male
- Psychologist
- Forensic
About RICHARD BLAK
This page provides the complete NPI Profile along with additional information for Richard Blak, a provider established in Fresno, California with a medical specialization in Psychologist, focusing in forensic . The healthcare provider is registered in the NPI registry with number 1447476015 assigned on April 2007. The practitioner's primary taxonomy code is 103TF0200X with license number PSY7172 (CA). The provider is registered as an individual and his NPI record was last updated May 2026.
- NPI
- 1447476015
- Provider Name
- DR. RICHARD ARTHUR BLAK PH.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 7341 N 1ST ST SUITE 110 FRESNO, CA 93720
- Location Phone
- (559) 431-8893
- Mailing Address
- 358 E HILLCREST AVE FRESNO, CA 93720
- Mailing Phone
- (559) 434-6942
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-18-2007
- Last Update Date
- 05-24-2026
- 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
Psychologist Forensic
- Taxonomy Code
- 103TF0200X
- Type
- Behavioral Health & Social Service Providers
- License No.
- PSY7172
- License State
- CA
- Taxonomy Description
- A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.
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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 1447476015, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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 65 is 70. 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.
FRESNO, CA 93720
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1447476015, enumerated as an "individual" on April 18, 2007.
The provider is located at 7341 N 1ST ST SUITE 110 FRESNO, CA 93720 and the phone number is (559) 431-8893.
Psychologist with taxonomy code 103TF0200X and a focus in Forensic.
