DR. GRANT L. HUTCHINSON PH.D.
NPI 1649326810
Psychologist - Forensic in Sacramento, CA
NPI Status: Active since January 28, 2007
Contact Information
730 ALHAMBRA BLVD
SUITE 205
SACRAMENTO, CA
ZIP 95816
Phone: (916) 444-8012
Fax: (916) 444-4451
- Individual
- Male
- Psychologist
- Forensic
About GRANT HUTCHINSON
This page provides the complete NPI Profile along with additional information for Grant Hutchinson, a provider established in Sacramento, California with a medical specialization in Psychologist, focusing in forensic . The healthcare provider is registered in the NPI registry with number 1649326810 assigned on January 2007. The practitioner's primary taxonomy code is 103TF0200X with license number PSY4023 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1649326810
- Provider Name
- DR. GRANT L. HUTCHINSON PH.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 730 ALHAMBRA BLVD SUITE 205 SACRAMENTO, CA 95816
- Location Phone
- (916) 444-8012
- Location Fax
- (916) 444-4451
- Mailing Address
- 3202 H ST SACRAMENTO, CA 95816
- Mailing Phone
- (916) 444-6386
- Mailing Fax
- (916) 444-4451
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-28-2007
- Last Update Date
- 09-11-2025
- 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.
- PSY4023
- 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.
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 | 103G00000X | Behavioral Health & Social Service Providers | Clinical Neuropsychologist | PSY4023 (CA) |
| 2 | 103TC0700X | Behavioral Health & Social Service Providers | Psychologist | PSY4023 (CA) |
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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 1649326810, 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 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 70 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
SACRAMENTO, CA 95816
SACRAMENTO, CA 95816
SACRAMENTO, CA 95816
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1649326810, enumerated as an "individual" on January 28, 2007.
The provider is located at 730 ALHAMBRA BLVD SUITE 205 SACRAMENTO, CA 95816 and the phone number is (916) 444-8012.
Psychologist with taxonomy code 103TF0200X and a focus in Forensic.
